CN102360106A - Single-fiber bidirectional transceiving module and package thereof - Google Patents
Single-fiber bidirectional transceiving module and package thereof Download PDFInfo
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- CN102360106A CN102360106A CN2011103381232A CN201110338123A CN102360106A CN 102360106 A CN102360106 A CN 102360106A CN 2011103381232 A CN2011103381232 A CN 2011103381232A CN 201110338123 A CN201110338123 A CN 201110338123A CN 102360106 A CN102360106 A CN 102360106A
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Abstract
The invention discloses a single-fiber bidirectional transceiving module. The module comprises a laser diode, a photodiode, a first lens and a second lens, wherein a light splitter is arranged between the first lens and the second lens and is plated with a transmission increasing film and a reflection increasing film; the first lens, the second lens, the laser diode and the photodiode are positioned on the same optical axis which is a straight line; and at least one of the first lens and the second lens is an aspherical lens. The invention further discloses a package for the module and a using method for the package. A spherical lens or the aspherical lens is used, so that the size of the optical module in the direction of the laser diode is reduced, and the size of the whole optical device is reduced; by utilizing the characteristic of high coupling efficiency of the aspherical lens, the requirement of high output power is met; and the spherical lens has the function of prolonging a light-gathering focal distance and is matched with the aspherical lens, so that products are coupled and packaged by laser diode (LD) TO components in different packaging modes.
Description
Technical field
The present invention relates to a kind of optical transceiver module and encapsulation thereof, belong to the fiber optical transceiver field.
Background technology
The most frequently used communication modes of tradition is optical-fibre communications and twisted-pair feeder communication, and wherein the optical-fibre communications signal has long transmission distance, and distortion is little, is disturbed the characteristics of little grade, and the twisted-pair feeder communication has networking conveniently, inserts simply the characteristics that equipment compatibility waits well.Fiber optical transceiver has merged the characteristics of above-mentioned dual mode; Can be with the mutual convert light transceiver module of these the two kinds of communication modes critical component that is fiber optical transceiver; Be used for light and electric mutual conversion; Therefore the quality of optical transceiver module directly affects the quality of whole transceiver, and it has determined the many indexs such as communication distance, signal rate, the bit error rate of transceiver.Single fiber bi-directional optical transceiver module in the tradition is the channel-splitting filter that 45 ° of inclinations are set between laser diode and optical fiber, and laser diode is modulated into light signal to electric signal, and this light signal is through the optical fiber that is transferred to of channel-splitting filter; Incident optical signal from optical fiber is then reflected by channel-splitting filter, and is received by photodiode along receiving light path, and this photodiode is modulated into electric signal with light signal and transmits.And because the light that sends from laser diode has a bigger emission angle; This angle of divergence is bigger than the acceptance angle of low numerical aperture fiber; If such laser diode, optical fiber directly are coupled; To cause serious energy loss, thus how with the emissive power of light source in the optical sender effectively lotus root be incorporated into that transmission is very important in the optical fiber.Referring to Fig. 1, in order to address this problem, improve coupling efficiency, people are provided with lens 4 between laser diode 3 and optical fiber 6.There is not oblique ray in laser diode 3 when being modulated into light signal scioptics 4 to electric signal; Imaging aberration is little, coupling efficiency is high; Focal length is short; Cost is low, and lens 4 can become convergent beam or collimated light beam with the diverging light light beam of light emitting diode emission; The radiant light of laser diode 3 is focused at lens and can goes up manyly more, has realized that light source, optical fiber have higher coupling efficiency in the single fiber bi-directional optical transceiver module.Usually; Lens 4 are arranged in the optical transceiver module between the optical splitter 5 and laser diode 3 on laser diode 3 directions; To improve the coupling efficiency between laser diode 3 and the optical fiber 6; And make a semisphere at the end face of photodiode 1, it can play the short effect that focuses on, and improves the coupling efficiency between photodiode 1 and the optical fiber 6.And also make optical transceiver module need bigger volume like this, and cause single fiber bi-directional modular construction size bigger than normal, produce with the small size encapsulation of SFP+ and conflict.In addition, non-spherical lens has many advantages, and it can eliminate unfavorable factors such as spherical aberration that globe lens produces, coma, astigmatism in the light transmittance process, reduce optical energy loss, improves optical output power.If non-spherical lens is used for optical module, can satisfy the high-output power product demand.
Summary of the invention
The object of the invention just is to provide a kind of single fiber bi-directional transceiver module and encapsulation thereof, and package dimension is little, and its coupling efficiency is high, can satisfy the demand of high-output power.
To achieve these goals; The technical scheme that the present invention adopts is such: a kind of single fiber bi-directional transceiver module; Comprise laser diode, photodiode, first lens and second lens; Be provided with optical splitter between first lens and second lens, be coated with anti-reflection film on the said optical splitter and increase anti-film; First lens, second lens and laser diode and photodiode are a straight line with optical axis and optical axis, and at least one is a non-spherical lens in said first lens and second lens.
According to embodiments of the invention, the one side of the corresponding laser diode of said optical splitter is coated with anti-reflection film.
According to embodiments of the invention, the one side of the corresponding photodiode of said optical splitter is coated with and increases anti-film.
According to embodiments of the invention, said optical splitter is placed in the light path medium dip.
According to embodiments of the invention, said first lens and second lens are non-spherical lens.
According to embodiments of the invention, said laser diode places the along of first non-spherical lens, and said photodiode places the along of second non-spherical lens.
The two ends of said optical splitter do not contact with second non-spherical lens with first non-spherical lens respectively; The plane of first non-spherical lens, second non-spherical lens is the both sides that vertical state is arranged at optical splitter.
According to embodiments of the invention, said first lens are globe lens, and said second lens are non-spherical lens.
According to embodiments of the invention, said laser diode places the along of first globe lens, and said photodiode places the along of second non-spherical lens.
According to embodiments of the invention, said first globe lens is arranged at a side of optical splitter, and the plane of second non-spherical lens is the opposite side that vertical state is arranged at optical splitter.
According to embodiments of the invention, said first lens are non-spherical lens, and said second lens are globe lens.
According to embodiments of the invention, said laser diode places the along of first non-spherical lens, and said photodiode places the along of second globe lens.
According to embodiments of the invention, said first non-spherical lens is arranged at a side of optical splitter, and the plane of second globe lens is the opposite side that vertical state is arranged at optical splitter.
Another aspect of the present invention; A kind of encapsulation that is applied to said single fiber bi-directional transceiver module is provided; Comprise laser diode installation end, photodiode installation end and optical fiber installation end, there are first lens, optical splitter, the corresponding cavity of second lens in the inside of encapsulation.
Another aspect of the present invention; A kind of encapsulation that is used for said single fiber bi-directional transceiver module is provided; Comprise laser diode installation end, photodiode installation end and optical fiber installation end, there are optical splitter, first non-spherical lens and the corresponding cavity of second non-spherical lens in the inside of encapsulation; The upper wall of said cavity is provided with and the second suitable discharging groove of optical splitter upper end.
According to embodiments of the invention, the lower wall of said cavity is provided with second discharging groove suitable with the optical splitter lower end.
The present invention also further provides a kind of method of using above-mentioned encapsulation; First non-spherical lens is inserted in the cavity through the laser diode installation end; And the plane that makes the non-spherical lens of winning is vertical state, and the two ends of first non-spherical lens are through viscose and encapsulation bonding; Second non-spherical lens is inserted in the cavity through the photodiode installation end, and make the plane of second non-spherical lens be vertical state, the two ends of second non-spherical lens are through viscose and encapsulation bonding; Again optical splitter is tilted to be positioned in the cavity, the upper and lower end of optical splitter is stuck in second discharging groove of the upper and lower wall of cavity.
The present invention also provides a kind of encapsulation that is applied to above-mentioned single fiber bi-directional transceiver module in addition; Comprise laser diode installation end, photodiode installation end and optical fiber installation end, the inside of encapsulation has and optical splitter, first globe lens and the corresponding cavity of second non-spherical lens; The lower wall of said cavity is provided with first discharging groove suitable with first globe lens.
According to embodiments of the invention, the upper and lower wall of said cavity is provided with second discharging groove suitable with the optical splitter upper and lower end.
The present invention provides a kind of another method of using above-mentioned encapsulation; At first insert first globe lens in first discharging groove of cavity lower wall through the photodiode installation end; And make the first globe lens lower end through viscose and encapsulation bonding; Second aspheric mirror is inserted in the cavity through the photodiode installation end, the plane of second aspheric mirror is vertical state again, and the two ends of second aspheric mirror are through viscose and encapsulation bonding; Again optical splitter is tilted to be placed between first globe lens and second non-spherical lens, the upper end of optical splitter is stuck in second discharging groove of upper wall of cavity, and its lower end is stuck in second discharging groove of cavity lower wall.
The present invention also provides a kind of encapsulation that is applied to above-mentioned single fiber bi-directional transceiver module in addition; Comprise laser diode installation end, photodiode installation end and optical fiber installation end; It is characterized in that there are optical splitter, first non-spherical lens and the corresponding cavity of second globe lens in the inside of encapsulation; The lower wall of said cavity is provided with first discharging groove suitable with first globe lens.
According to embodiments of the invention, the upper and lower wall of said cavity is provided with second discharging groove suitable with the optical splitter upper and lower end.
The present invention provides a kind of another method of using above-mentioned encapsulation; At first insert second globe lens in first discharging groove of cavity lower wall through the photodiode installation end; And make the second globe lens lower end through viscose and encapsulation bonding; First aspheric mirror is inserted in the cavity through the laser diode installation end, the plane of first aspheric mirror is vertical state again, and the two ends of first aspheric mirror are through viscose and encapsulation bonding;
Again optical splitter is tilted to be placed between second globe lens and first non-spherical lens, the upper end of optical splitter is stuck in second discharging groove of upper wall of cavity, and its lower end is stuck in second discharging groove of cavity lower wall.
Compared with prior art, the invention has the advantages that:
1, the present invention is improved to packaged lens or the globe lens that is arranged on the laser diode direction with the lens of prior art and the hemispherical end face that is positioned at photodiode; Reduced the size of optical module on the laser diode direction like this; Make and on onesize circuit board, more optical transceiver can be set; Same optical transceiver perhaps is set, and the area of circuit board is littler; Cause the overall optical size of devices to reduce.
2, use non-spherical lens among the present invention, utilize its characteristic, satisfied the demand of high-output power with high coupling efficiency.
3, use the ball-type lens and have the effect that prolongs the optically focused focal length, the design of non-spherical lens collocation ball-type lens, the LD TO assembly of the Different Package mode that can supply to arrange in pairs or groups is accomplished the coupling encapsulation of product.
Description of drawings
Fig. 1 is the structure principle chart of single fiber bi-directional transceiver module in the prior art;
Fig. 2 is a shape assumption diagram of the present invention;
Fig. 3 is the structural drawing of the embodiment of the invention 1;
Fig. 4 is the structural drawing of the embodiment of the invention 2;
Fig. 5 is the structural drawing of the embodiment of the invention 3;
Fig. 6 is the structural drawing of encapsulation in the embodiment of the invention 1;
Fig. 7 is the structural drawing of encapsulation in the embodiment of the invention 2;
Fig. 8 is the structural drawing of encapsulation in the embodiment of the invention 3;
Fig. 9 is welded on the synoptic diagram on the circuit board for optical transceiver in the prior art;
Figure 10 is welded on the schematic illustration one on the circuit board for the made optical transceiver of the present invention;
Figure 11 is welded on the schematic illustration two on the circuit board for the made optical transceiver of the present invention.
Embodiment
To combine accompanying drawing and practical implementation that the present invention is described further below;
The invention discloses a kind of single fiber bi-directional transceiver module, comprise laser diode 3, optical splitter 5, photodiode 1, first lens and second lens, said first lens and the second lens setting are separately positioned on the both sides of optical splitter; The one side of said optical splitter 5 corresponding laser diodes 3 is coated with anti-reflection film, and anti-reflection film makes incident light disappear mutually at the reflected light on two surfaces up and down of anti-reflection film, causes reflecting luminous energy and reduces, and transmission luminous energy increases relatively.The one side of optical splitter 5 corresponding photodiodes 1 is coated with and increases anti-film, and the principle and the anti-reflection film that increase anti-film are opposite, and it strengthens the optical superposition of reflecting out from the film front and rear surfaces, is kept by energy like this and knows that transmitted light must weaken, and cause transmission luminous energy little, and reflection luminous energy is strong.The material that plated film is commonly used has MgF
2, TiO
2, ZnSe, ceramic infrared light infrared anti-reflection film, vinyl silsesquioxane hybridized film etc.; Film plating process commonly used has vacuum evaporation, chemistry to play methods such as deposition, sol-gelatin plating mutually.The three compares; Sol-gelatin plating equipment is simple, can operate at normal temperatures and pressures, membrane uniformity is high, controllable microstructure; Be suitable for difformity, size substrate, can obtain the optical thin film of high laser-damaged threshold value through control prescription, preparation technology, the present invention adopts sol-gelatin plating that plated film is carried out on two planes of optical splitter.
Wherein first lens, second lens and laser diode 3 and photodiode 1 are a straight line with optical axis and optical axis, have dwindled the longitudinal size of transceiver module like this, and make that the optic path effect is best, and light loss is minimum.
Wherein said first lens and second lens can be globe lenss, can be non-spherical lenses also, have at least one to be non-spherical lens.
Processing for globe lens of the present invention: a cube is removed polyhedral corner angle, so go down, cube has just become a nearly spheroid; Then this nearly spheroid being put into drum roughly grinds; In drum, add various abrasive material adminiclies as required; Many concentrically ringed grooves are arranged in the dish in the drum, and nearly spheroid is placed in the groove, and with identical dish and do relative motion together; Add abrasive material, can carry out grinding to nearly spheroid like this; At last glass bead is polished, generally use the flexible polishing mould, it can change the surface configuration of oneself when move on the ball surface, and the machined surface with ball keeps coincideing all the time, is used for improving the degree of roughness on surface, and it generally can not improve the face shape of finished surface in addition.
Processing for non-spherical lens of the present invention; Earlier optical glass is softened fusion; Again the optical glass blank of molten condition is poured into and adopted in the casted die mould that the special material Precision Machining becomes, in the environment of non-oxidizing atmosphere, near the softening point with glass and mould heat temperature raising to glass together; Roughly be under the uniform temp condition at glass and mould, utilize mould that glass is exerted pressure.Next, keeping under the state of being exerted pressure, on one side cooling die, its temperature is reduced to below the inversion point of glass, one side cooled glass lens, the non-spherical lens with moulding takes off from mould then.
Embodiment 1:
Comprise the first non-spherical lens 7-1 and the second non-spherical lens 7-2 and optical splitter 5 referring to Fig. 2, single fiber bi-directional transceiver module shown in Figure 3; Optical splitter 5 is 45 ° of settings at light path medium dip angle, and the plane of the first non-spherical lens 7-1, the second non-spherical lens 7-2 is the both sides that vertical state is arranged at optical splitter 5; The two ends of optical splitter 5 do not contact with the first non-spherical lens 7-1, the second non-spherical lens 7-2 respectively; Said laser diode 3 places the along of the first non-spherical lens 7-1, and said photodiode 1 places the along of the second non-spherical lens 7-2.Be applied to the encapsulation 2 (as shown in Figure 6) of this light emitting module, comprise laser diode installation end 2-2, photodiode installation end 2-4 and optical fiber installation end 2-5, the inside of encapsulation 2 has and optical splitter 5 and the corresponding cavity 9 of non-spherical lens; The upper and lower wall of cavity 9 is equipped with the second discharging groove 2-7 suitable with optical splitter 5 upper and lower ends; The second discharging groove 2-7 plays positioning action to optical splitter 5, and the dip plane that has also guaranteed optical splitter 5 simultaneously is towards laser diode 3 and photodiode 1.
Earlier the second non-spherical lens 7-2 is inserted in the cavity 9 through photodiode installation end 2-4; Make the plane of the second non-spherical lens 7-2 be vertical state; The two ends of the second non-spherical lens 7-2 are through viscose and encapsulation 2 bondings; Again the first non-spherical lens 7-1 is inserted in the cavity 9 through laser diode installation end 2-2; Make the plane of the first non-spherical lens 7-1 be vertical state; The two ends of the first non-spherical lens 7-1 are 45 (light path medium dip angle) with optical splitter 5 again and are placed between the first non-spherical lens 7-1 and the second non-spherical lens 7-2 through viscose and encapsulation 2 bondings, and the upper and lower end of optical splitter 5 respectively is stuck among the second discharging groove 2-7 of upper and lower wall of cavity 9.
Embodiment 2:
Comprise the first globe lens 8-1, the second non-spherical lens 7-2 and optical splitter 5 referring to Fig. 2, single fiber bi-directional transceiver module shown in Figure 4; Optical splitter 5 is 60 ° of settings at light path medium dip angle; The first globe lens 8-1 is arranged at a side of optical splitter 5, and the plane of the second non-spherical lens 7-2 is the opposite side that vertical state is arranged at optical splitter 5; Wherein laser diode 3 places the along of the first globe lens 8-1, and photodiode 1 places the along of the second non-spherical lens 7-2.Be applied to the encapsulation 2 (as shown in Figure 7) of this light emitting module; Comprise laser diode installation end 2-2, photodiode installation end 2-4, optical fiber installation end 2-5, the inside of encapsulation 2 has and optical splitter 5, the first globe lens 8-1, the second non-spherical lens 7-2 and optical splitter 5 corresponding cavitys 9; The lower wall of cavity 9 is provided with the first discharging groove 2-6 suitable with the first globe lens 8-1, also offers and the suitable discharging groove 2-7 in optical splitter 5 lower ends; The upper wall of cavity 9 also offers and the suitable discharging groove 2-7 in optical splitter 5 upper ends.
At first insert the first globe lens 8-1 among the first discharging groove 2-6 of cavity 9 lower walls through photodiode installation end 2-4; And make the first globe lens 8-1 lower end through viscose and encapsulation 2 bondings; Again the second aspheric mirror 7-2 is inserted in the cavity 9 through photodiode installation end 2-4; The plane of the second aspheric mirror 7-2 is vertical state; The two ends of the second aspheric mirror 7-2 are 60 ° of angles (light path medium dip angle) with optical splitter 5 again and are placed between the first globe lens 8-1 and the second non-spherical lens 7-2 through viscose and encapsulation 2 bondings, and the upper and lower end of optical splitter 5 respectively is stuck among the second discharging groove 2-7 of upper and lower wall of cavity 9.
Embodiment 3:
Comprise the first non-spherical lens 7-1, the second globe lens 8-2 and optical splitter 5 referring to Fig. 2, single fiber bi-directional transceiver module shown in Figure 5; Optical splitter 5 is 45 ° of settings at light path medium dip angle; The second globe lens 8-2 is arranged at a side of optical splitter 5, and the plane of the first non-spherical lens 7-1 is the opposite side that vertical state is arranged at optical splitter 5; Wherein laser diode 3 places the along of the first non-spherical lens 7-1, and photodiode 1 places the along of the second globe lens 8-2.Be applied to the encapsulation 2 (as shown in Figure 8) of this light emitting module; Comprise laser diode installation end 2-2, photodiode installation end 2-4, optical fiber installation end 2-5, the inside of encapsulation 2 has and optical splitter 5, the first non-spherical lens 7-1, the second globe lens 8-2 and optical splitter 5 corresponding cavitys 9; The lower wall of cavity 9 is provided with the first discharging groove 2-6 suitable with the second globe lens 8-2, also offers the second discharging groove 2-7 suitable with optical splitter 5 lower ends; The upper wall of cavity 9 also offers and the suitable discharging groove 2-7 in optical splitter 5 upper ends.
At first insert the second globe lens 8-2 among the first discharging groove 2-6 of cavity 9 lower walls through photodiode installation end 2-4; And make the second globe lens 8-2 lower end through viscose and encapsulation 2 bondings; Again the first non-spherical lens 7-1 is inserted in the cavity 9 through laser diode installation end 2-2; The plane of the first non-spherical lens 7-1 is vertical state; The two ends of the first non-spherical lens 7-1 are 45 (light path medium dip angle) with optical splitter 5 again and are placed between the second globe lens 8-2 and the first non-spherical lens 7-1 through viscose and encapsulation 2 bondings, and the upper and lower end of optical splitter 5 respectively is stuck among the second discharging groove 2-7 of upper and lower wall of cavity 9.
Referring to Fig. 9 to Figure 11; Optical transceiver module forms optical transceiver 12 through the encapsulation back, is welded on the circuit board 11, and the package dimension of optical transceiver 12 on the laser diode direction in the tradition is too big; The quantity that transceiver 12 is welded on the circuit board is few; And the present invention is through after improving optical transceiver module, and the package dimension of optical transceiver 12 on the laser diode direction dwindles, and the quantity that transceiver 12 is welded on the circuit board increases relatively; Perhaps under the situation of the optical transceiver 12 that keeps original quantity, can dwindle the overall optical size of devices, and can not produce conflict with the I weld size of circuit board.
Claims (23)
1. a single fiber bi-directional transceiver module comprises laser diode, photodiode, first lens and second lens, is provided with optical splitter between first lens and second lens, is coated with anti-reflection film on the said optical splitter and increases anti-film; First lens, second lens and laser diode and photodiode are a straight line with optical axis and optical axis, it is characterized in that, at least one is a non-spherical lens in said first lens and second lens.
2. single fiber bi-directional transceiver module according to claim 1 is characterized in that, the one side of the corresponding laser diode of said optical splitter is coated with anti-reflection film.
3. single fiber bi-directional transceiver module according to claim 1 is characterized in that, the one side of the corresponding photodiode of said optical splitter is coated with and increases anti-film.
4. single fiber bi-directional transceiver module according to claim 1 is characterized in that, said optical splitter is placed in the light path medium dip.
5. according to the described single fiber bi-directional transceiver module of one of claim 1 to 4, it is characterized in that said first lens and second lens are non-spherical lens.
6. single fiber bi-directional transceiver module according to claim 5 is characterized in that said laser diode places the along of first lens, and said photodiode places the along of second lens.
7. single fiber bi-directional transceiver module according to claim 6 is characterized in that, the two ends of said optical splitter do not contact with second lens with first lens respectively; The plane of first lens, second lens is the both sides that vertical state is arranged at optical splitter.
8. according to the described single fiber bi-directional transceiver module of one of claim 1 to 4, it is characterized in that said first lens are globe lens, said second lens are non-spherical lens.
9. single fiber bi-directional transceiver module according to claim 8 is characterized in that said laser diode places the along of first globe lens, and said photodiode places the along of second non-spherical lens.
10. single fiber bi-directional transceiver module according to claim 9 is characterized in that, said first globe lens is arranged at a side of optical splitter, and the plane of second non-spherical lens is the opposite side that vertical state is arranged at optical splitter.
11., it is characterized in that said first lens are non-spherical lens according to the described single fiber bi-directional transceiver module of one of claim 1 to 4, said second lens are globe lens.
12. single fiber bi-directional transceiver module according to claim 11 is characterized in that said laser diode places the along of first non-spherical lens, said photodiode places the along of second globe lens.
13. single fiber bi-directional transceiver module according to claim 12 is characterized in that, said first non-spherical lens is arranged at a side of optical splitter, and the plane of second globe lens is the opposite side that vertical state is arranged at optical splitter.
14. encapsulation that is applied to the said single fiber bi-directional transceiver module of claim 1 to 4; Comprise laser diode installation end, photodiode installation end and optical fiber installation end; It is characterized in that there are first lens, optical splitter, the corresponding cavity of second lens in the inside of encapsulation.
15. encapsulation that is applied to the said single fiber bi-directional transceiver module of claim 6 to 7; Comprise laser diode installation end, photodiode installation end and optical fiber installation end; It is characterized in that there are optical splitter, first non-spherical lens and the corresponding cavity of second non-spherical lens in the inside of encapsulation; The upper wall of said cavity is provided with and the second suitable discharging groove of optical splitter upper end.
16. encapsulation according to claim 15 is characterized in that, the lower wall of said cavity is provided with second discharging groove suitable with the optical splitter lower end.
17. use the method for the encapsulation of claim 15 to 16, it is characterized in that,
First non-spherical lens is inserted in the cavity through the laser diode installation end, and make the plane of the non-spherical lens of winning be vertical state, the two ends of first non-spherical lens are through viscose and encapsulation bonding; Second non-spherical lens is inserted in the cavity through the photodiode installation end again, and make the plane of second non-spherical lens be vertical state, the two ends of second non-spherical lens are through viscose and encapsulation bonding;
Optical splitter is tilted to be positioned in the cavity between first globe lens and second globe lens, the upper and lower end of optical splitter is stuck in second discharging groove again.
18. encapsulation that is applied to the said single fiber bi-directional transceiver module of claim 9-10; Comprise laser diode installation end, photodiode installation end and optical fiber installation end; It is characterized in that there are optical splitter, first globe lens and the corresponding cavity of second non-spherical lens in the inside of encapsulation; The lower wall of said cavity is provided with and suitable first discharging groove of first globe lens.
19. encapsulation according to claim 18 is characterized in that, the upper and lower wall of said cavity is provided with second discharging groove suitable with the optical splitter upper and lower end.
20. use the method for the described encapsulation of claim 18-19, it is characterized in that,
At first insert first globe lens in first discharging groove of cavity lower wall through the photodiode installation end; And make the first globe lens lower end through viscose and encapsulation bonding; Again second aspheric mirror is inserted in the cavity through the photodiode installation end; The plane of second aspheric mirror is vertical state, and the two ends of second aspheric mirror are through viscose and encapsulation bonding;
Again optical splitter is tilted to be placed between first globe lens and second non-spherical lens, the upper end of optical splitter is stuck in second discharging groove of upper wall of cavity, and its lower end is stuck in lower wall second discharging groove of cavity.
21. encapsulation that is applied to the said single fiber bi-directional transceiver module of claim 12 to 13; Comprise laser diode installation end, photodiode installation end and optical fiber installation end; It is characterized in that there are optical splitter, first non-spherical lens and the corresponding cavity of second globe lens in the inside of encapsulation; The lower wall of said cavity is provided with first discharging groove suitable with first globe lens.
22. encapsulation according to claim 21 is characterized in that, the upper and lower wall of said cavity is provided with second discharging groove suitable with the optical splitter upper and lower end.
23. use the method for the described encapsulation of claim 21-22, it is characterized in that,
At first insert second globe lens in first discharging groove of cavity lower wall through the photodiode installation end; And make the second globe lens lower end through viscose and encapsulation bonding; Again first aspheric mirror is inserted in the cavity through the laser diode installation end; The plane of first aspheric mirror is vertical state, and the two ends of first aspheric mirror are through viscose and encapsulation bonding;
Again optical splitter is tilted to be placed between second globe lens and first non-spherical lens, the upper end of optical splitter is stuck in second discharging groove of upper wall of cavity, and its lower end is stuck in second discharging groove of cavity lower wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103381232A CN102360106A (en) | 2011-10-31 | 2011-10-31 | Single-fiber bidirectional transceiving module and package thereof |
| US13/341,260 US9195015B2 (en) | 2011-06-29 | 2011-12-30 | Bi-directional fiber optic transceivers, housings therefor, and methods for making and using the same |
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| CN2011103381232A CN102360106A (en) | 2011-10-31 | 2011-10-31 | Single-fiber bidirectional transceiving module and package thereof |
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| CN102854583A (en) * | 2012-09-29 | 2013-01-02 | 索尔思光电（成都）有限公司 | Single-fiber two-way light transceiver |
| CN102879874A (en) * | 2012-09-29 | 2013-01-16 | 苏州海光芯创光电科技有限公司 | Optical transceiver with combined type optical filter and method for manufacturing optical transceiver |
| CN104020536A (en) * | 2014-06-09 | 2014-09-03 | 昂纳信息技术（深圳）有限公司 | Method for packaging optical transceiver module |
| CN104913796A (en) * | 2015-01-29 | 2015-09-16 | 上海兰宝传感科技股份有限公司 | Long-distance correlated photoelectric sensor based on aspheric lens |
| CN109818675A (en) * | 2014-04-29 | 2019-05-28 | 华为技术有限公司 | Wireless communication system and radio-frequency device |
| CN114236710A (en) * | 2021-12-13 | 2022-03-25 | 无锡鑫巨宏智能科技有限公司 | High-speed coupling lens |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102854583A (en) * | 2012-09-29 | 2013-01-02 | 索尔思光电（成都）有限公司 | Single-fiber two-way light transceiver |
| CN102879874A (en) * | 2012-09-29 | 2013-01-16 | 苏州海光芯创光电科技有限公司 | Optical transceiver with combined type optical filter and method for manufacturing optical transceiver |
| CN102879874B (en) * | 2012-09-29 | 2015-03-04 | 苏州海光芯创光电科技有限公司 | Optical transceiver with combined type optical filter and method for manufacturing optical transceiver |
| CN109818675A (en) * | 2014-04-29 | 2019-05-28 | 华为技术有限公司 | Wireless communication system and radio-frequency device |
| CN109818675B (en) * | 2014-04-29 | 2022-04-22 | 华为技术有限公司 | Wireless communication system and wireless radio frequency device |
| CN104020536A (en) * | 2014-06-09 | 2014-09-03 | 昂纳信息技术（深圳）有限公司 | Method for packaging optical transceiver module |
| CN104913796A (en) * | 2015-01-29 | 2015-09-16 | 上海兰宝传感科技股份有限公司 | Long-distance correlated photoelectric sensor based on aspheric lens |
| CN114236710A (en) * | 2021-12-13 | 2022-03-25 | 无锡鑫巨宏智能科技有限公司 | High-speed coupling lens |
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