CN207216168U - A kind of orthopedic systems of semiconductor laser - Google Patents
A kind of orthopedic systems of semiconductor laser Download PDFInfo
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- CN207216168U CN207216168U CN201720961962.2U CN201720961962U CN207216168U CN 207216168 U CN207216168 U CN 207216168U CN 201720961962 U CN201720961962 U CN 201720961962U CN 207216168 U CN207216168 U CN 207216168U
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Abstract
The utility model discloses a kind of orthopedic systems of semiconductor laser, the system is included in the first lens and the second lens that the laser beam after the generation laser diode of laser set gradually in same light path, the collimation lens collimated to initial laser, collimation is focused, and has been additionally provided with the diaphragm of space filtering effect between the first lens and the second lens in addition；Also, also do up compression at least provided with a pair pairs of laser in the light path or expand the prism pair of effect, the prism is to gap setting after the collimation lens, or gap setting is after second lens.The orthopedic systems of the semiconductor laser are simple in construction, easy for installation in use, adjustment easily, be easily achieved, be compact-sized, cost it is relatively low, the light beam output of high quality can be produced.
Description
Technical field
A kind of orthopedic systems of semiconductor laser are the utility model is related to, belong to laser beam shaping technical field.
Background technology
Semiconductor laser is also known as laser diode, is the laser by the use of semi-conducting material as operation material.Due to thing
Difference in matter structure, the detailed process that variety classes produces laser are more special.Conventional operation material has GaAs（GaAs）、
Cadmium sulfide（CdS）, indium phosphide (InP), zinc sulphide (ZnS) etc..Energisation mode has three kinds of electrical pumping, electron beam excitation and optical pumping
Form.Semiconductor laser device, it is several that homojunction, single heterojunction, double heterojunction etc. can be divided into.Homojunction laser and Dan Yi
Matter PN junction laser PN is mostly pulse device in room temperature, and continuous work can be realized during double heterojunection laser room temperature.
Semiconductor laser can be by the way of simple Injection Current come its operating voltage of pumping and electric current and integrated electricity
Road is compatible, thus can single-chip integration, and current-modulation can also be directly carried out with up to GHz frequency to obtain at a high speed therewith
The laser output of modulation.
Semiconductor laser because its photoelectric transformation efficiency is high, covering wave-length coverage is wide, service life is long, can High Speed Modulation,
The reason such as small volume, in light weight, cheap, has been obtained for more and more extensive application.But semiconductor laser is due to it
Luminescence mechanism, beam quality is poor, and it is exported often with stronger veiling glare, and the angle of divergence of fast and slow axis is different, limits
It needs the application in the field of high quality beam, such as biologic medical field etc. at some.In order to solve this problem, it will usually
Using in the output light coupled into optical fibres of semiconductor laser, making fiber coupled laser to replace semiconductor laser, light
The output beam quality of fine coupling semiconductor laser device is good, and veiling glare is few, but is made that technology difficulty is larger, and cost is higher.
The content of the invention
The purpose of the present invention is exactly to solve the above-mentioned problems in the prior art, there is provided a kind of semiconductor laser
Orthopedic systems.
The above-mentioned purpose of the present invention, its technical solution being achieved：A kind of orthopedic systems of semiconductor laser,
The system is included in laser diode, the collimation collimated to initial laser of the generation laser set gradually in same light path
The first lens and the second lens that laser beam after lens, collimation is focused, it is saturating in first lens and second in addition
The diaphragm of space filtering effect has been additionally provided between mirror；Also, also do up pressure at least provided with a pair pairs of laser in the light path
Contract or expand the prism pair of effect, the prism is to gap setting after the collimation lens, or gap setting is in described
After second lens.
Preferably, the laser diode is semiconductor laser.
Preferably, the collimation lens is aspheric collimation lens.
Preferably, the aspheric collimation lens have positive focal power, effective focal length 2mm-5mm.
Preferably, the diaphragm is aperture or slit.
Preferably, the diaphragm is located at the focal point of first lens and the second lens.
Preferably, first lens are spherical mirror or cylindrical mirror.
Preferably, second lens are spherical mirror or cylindrical mirror.
Preferably, prism described in each pair is to including the first prism and the second prism.
Preferably, first prism and the second prism are symmetrical arranged.
The advantages of technical solutions of the utility model, is mainly reflected in：The orthopedic systems can produce the light beam output of high quality,
The orthopedic systems are simple in construction, easy for installation in use, adjustment easily, be easily achieved, be compact-sized, cost it is relatively low,
The shaping of laser can be effectively realized and expanded, can be applied to in the high instrument and equipment of beam quality requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model semiconductor laser shaping system.
Fig. 2 is the structural representation of the utility model semiconductor laser shaping system.
Embodiment
The purpose of this utility model, advantage and feature, figure will be carried out by the non-limitative illustration of preferred embodiment below
Show and explain.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent substitution or wait
Effect conversion and formed technical scheme, all fall within the requires of the utility model protection within the scope of.
The utility model discloses a kind of orthopedic systems of semiconductor laser, and as depicted in figs. 1 and 2, the system includes
It is the laser diode 1 of the generation laser set gradually in same light path, the collimation lens 2 collimated to initial laser, right
The first lens 3 and the second lens 5 that laser beam after collimation is focused, in addition the lens 5 of the first lens 3 and second it
Between be additionally provided with space filtering effect diaphragm 4；Also, in the light path also at least provided with a pair pairs of laser do up compression or
The prism of effect is expanded to 6, prism described in each pair to 6 position it is alternative set, in the technical program, the laser two
Pole pipe 1 is preferably semiconductor laser.
Embodiment 1：
As shown in figure 1, the system is included in the laser diode 1 of the generation laser set gradually in same light path, to first
The first lens 3 and the second lens 5 that laser beam after collimation lens 2 that beginning laser is collimated, collimation is focused, in addition
The diaphragm 4 of space filtering effect has been additionally provided between the first lens 3 and the second lens 5；Also, in the light path also at least
Compression is done up provided with a pair pairs of laser or expands the prism of effect to 6.
Position alternative setting of the prism described in each pair to 6, prism described in each pair is preferably gap settings to 6 in described
After second lens 5, the prism can be one or more pairs of to 6 number, and in the technical program, the prism is to 6
Number is preferably a pair of, and prism described in each pair is to including the first prism and the second prism, first prism and the second prism pair
Claim to set.In the technical program, the laser diode 1 is preferably semiconductor laser.
The laser diode 1 sends laser, collimated laser beam is formed after the collimation lens 2 collimation, in this technology
In scheme, the collimation lens 2 is preferably aspheric collimation lens, and the aspheric collimation lens 2 have positive focal power, had
Effect focal length is 2mm-5mm.
The collimated laser beam focuses on through first lens 3 to be obtained focusing on laser beam, and the diaphragm 4 is positioned over into described the
The place with a tight waist of the middle Gaussian light beam of one lens 3 and the second lens 5, the diaphragm 4 is aperture or slit, in the technical program
In, the diaphragm 4 is preferably slit, and the slit direction acts on the quick shaft direction of the laser diode 1.
Because the laser diode quick shaft direction angle of divergence is big, the collimated laser beam waveform after collimated lens is not standard
Gaussian shape, and light beam can form striped in the edge of Gaussian beam, be hung down in the center of Gaussian spot after lens are assembled
One slit directly is set in beam fast axis direction, the striped of light beam edge is then blocked, therefore the principle of utilization space filtering, production
The light beam of raw high quality.
The focusing laser beam obtains high quality after the space filtering of diaphragm 4 and focuses on laser beam, and the high quality, which focuses on, to swash
Light beam obtains high quality collimated laser beam, the rear focus and second of first lens 3 after second lens 5 collimation again
The object focus of lens 5 overlaps, and the action direction of the lens 5 of the first lens 3 and second includes the fast of the laser diode 1
Direction of principal axis.First lens 3 are spherical mirror or cylindrical mirror, and in the technical program, first lens 3 are preferably sphere
Mirror.Second lens 5 are spherical mirror or cylindrical mirror, and in the technical program, second lens 5 are preferably spherical mirror.Institute
The focal length f scopes for stating the first lens 3 and the second lens 5 are 5mm~20mm, and the diaphragm 4 is located at first lens 3 and second
The focal point of lens 5.According to the actual demand during use, suitable spherical mirror, cylindrical mirror, aperture or narrow are selected
Seam.
The incident prism of the high quality collimated laser beam adjusts the multiple of the prism pair, compresses or expand a certain to 6
The light beam in direction, the collimation circular light spot laser beam of high quality or certain length-width ratio are obtained to 6 compressions or after expanding through the prism
Collimated elliptic light spot laser beam.In the technical program, the prism is 1.5~4 times to 6 multiple, selects different multiples
Prism to carrying out the one-dimensional or two-dimentional compression of light beam or expanding, the ellipse light spot for justifying hot spot or different length-width ratios can be obtained.
Embodiment 2：
As shown in Fig. 2 the system is included in the laser diode 1 of the generation laser set gradually in same light path, to first
The first lens 3 and the second lens 5 that laser beam after collimation lens 2 that beginning laser is collimated, collimation is focused, in addition
The diaphragm 4 of space filtering effect has been additionally provided between the lens 5 of the first lens 3 and second；Also, in the light path also
Compression is done up at least provided with a pair pairs of laser or expands the prism of effect to 6.
Position alternative setting of the prism described in each pair to 6, in the technical program, prism is preferred to 6 described in each pair
It is gap setting after the collimation lens 2, the prism can be one or more pairs of to 6 number, in the technical program
In, the prism is preferably a pair of to 6 number, and prism described in each pair is to including the first prism and the second prism, and described first
Prism and the second prism are symmetrical arranged.In the technical program, the laser diode 1 is preferably semiconductor laser.
The laser diode 1 sends laser, collimated laser beam is formed after the collimation lens 2 collimation, in this technology
In scheme, the collimation lens 2 is preferably aspheric collimation lens, and the aspheric collimation lens 2 have positive focal power, had
Effect focal length is 2mm-5mm.
The incident prism of the collimated laser beam adjusts the multiple of the prism pair, compresses or expand a direction to 6
Light beam, obtain collimating circular light spot laser beam or the collimated elliptic hot spot of certain length-width ratio to 6 compressions or after expanding through the prism
Laser beam.In the technical program, the prism is 1.5~4 times to 6 multiple, selects the prism of different multiples to carrying out light
The quick shaft direction or slow-axis direction of beam are compressed or expanded, and can obtain the ellipse light spot for justifying hot spot or different length-width ratios.
The collimation circular light spot laser beam or the collimated elliptic light spot laser beam of certain length-width ratio pass through first lens 3
Focusing is obtained focusing on laser beam, and the diaphragm 4 is positioned over to the middle Gaussian light beam of the lens 5 of the first lens 3 and second
Place with a tight waist, the diaphragm 4 is aperture or slit, in the technical program, the diaphragm 4 preferably slit, and the slit direction
Act on the quick shaft direction of the laser diode 1.
Because the laser diode quick shaft direction angle of divergence is big, the collimated laser beam waveform after collimated lens is not standard
Gaussian shape, and light beam can form striped in the edge of Gaussian beam, be hung down in the center of Gaussian spot after lens are assembled
One slit directly is set in beam fast axis direction, the striped of light beam edge is then blocked, therefore the principle of utilization space filtering, production
The light beam of raw high quality.
The focusing laser beam obtains high quality after the space filtering of diaphragm 4 and focuses on laser beam, and the high quality, which focuses on, to swash
Light beam obtains high quality collimation circular light spot laser beam or the collimated elliptic light of certain length-width ratio after second lens 5 collimation again
Spot laser beam.The rear focus of first lens 3 and the object focus of the second lens 5 overlap, first lens 3 and second
The action direction of lens 5 includes the quick shaft direction of the laser diode 1.First lens 3 are spherical mirror or cylindrical mirror,
In the technical program, first lens 3 are preferably spherical mirror；Second lens 5 are spherical mirror or cylindrical mirror, in this technology
In scheme, second lens 5 are preferably spherical mirror.The focal length f scopes of the lens 5 of first lens 3 and second be 5mm~
20mm, the diaphragm 4 are located at the focal point of the lens 5 of the first lens 3 and second.According to the actual demand during use,
Select suitable spherical mirror, cylindrical mirror, aperture or slit.
The orthopedic systems can produce the light beam output of high quality, and the orthopedic systems are simple in construction, install in use
Convenient, adjustment easily, be easily achieved, be compact-sized, cost it is relatively low, the shaping of laser can be effectively realized and expanded, can be answered
For in the high instrument and equipment of beam quality requirement.
The utility model still has numerous embodiments, all technologies formed using equivalents or equivalent transformation
Scheme, all fall within the scope of protection of the utility model.
Claims (10)
- A kind of 1. orthopedic systems of semiconductor laser, it is characterised in that：The system is included in what is set gradually in same light path Produce the laser diode of laser（1）, the collimation lens that is collimated to initial laser（2）, the laser beam after collimation carries out The first lens focused on（3）With the second lens（5）, in addition in first lens（3）With the second lens（5）Between be additionally provided with Play the diaphragm of space filtering（4）；Also, also do up compression at least provided with a pair pairs of laser in the light path or expand effect Prism pair（6）, the prism pair（6）Gap setting is in the collimation lens（2）Afterwards, or gap setting is in described second Lens（5）Afterwards.
- A kind of 2. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：The laser diode （1）For semiconductor laser.
- A kind of 3. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：The collimation lens （2）For aspheric collimation lens.
- A kind of 4. orthopedic systems of semiconductor laser according to claim 3, it is characterised in that：The aspherical collimation Lens（2）With positive focal power, effective focal length 2mm-5mm.
- A kind of 5. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：The diaphragm（4）For Aperture or slit.
- A kind of 6. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：The diaphragm（4）Position In first lens（3）With the second lens（5）Focal point.
- A kind of 7. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：First lens （3）For spherical mirror or cylindrical mirror.
- A kind of 8. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：Second lens （5）For spherical mirror or cylindrical mirror.
- A kind of 9. orthopedic systems of semiconductor laser according to claim 1, it is characterised in that：Prism pair described in each pair （6）Including the first prism and the second prism.
- A kind of 10. orthopedic systems of semiconductor laser according to claim 9, it is characterised in that：First prism It is symmetrical arranged with the second prism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961962.2U CN207216168U (en) | 2017-08-03 | 2017-08-03 | A kind of orthopedic systems of semiconductor laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961962.2U CN207216168U (en) | 2017-08-03 | 2017-08-03 | A kind of orthopedic systems of semiconductor laser |
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| CN207216168U true CN207216168U (en) | 2018-04-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146991A (en) * | 2019-04-18 | 2019-08-20 | 珠海达明科技有限公司 | A kind of laser facula shaping optical system |
| CN110429453A (en) * | 2019-07-19 | 2019-11-08 | 东莞理工学院 | A kind of superpower laser for taking back light detection system |
| CN111308725A (en) * | 2020-04-02 | 2020-06-19 | 杭州欧镭激光技术有限公司 | Light beam shaping device for laser radar and shaping method of far-field light spot |
| CN112748581A (en) * | 2020-12-30 | 2021-05-04 | 中国人民解放军国防科技大学 | Semiconductor laser's circular flat top beam shaping system that can integrate |
| WO2021196930A1 (en) * | 2020-04-02 | 2021-10-07 | 杭州欧镭激光技术有限公司 | Beam shaping device for laser radar and shaping method for far-field light spot by using beam shaping device |
| CN114690326A (en) * | 2022-02-25 | 2022-07-01 | 湖北优光科学仪器有限公司 | Elliptical optical fiber collimator |
-
2017
- 2017-08-03 CN CN201720961962.2U patent/CN207216168U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146991A (en) * | 2019-04-18 | 2019-08-20 | 珠海达明科技有限公司 | A kind of laser facula shaping optical system |
| CN110429453A (en) * | 2019-07-19 | 2019-11-08 | 东莞理工学院 | A kind of superpower laser for taking back light detection system |
| CN111308725A (en) * | 2020-04-02 | 2020-06-19 | 杭州欧镭激光技术有限公司 | Light beam shaping device for laser radar and shaping method of far-field light spot |
| WO2021196930A1 (en) * | 2020-04-02 | 2021-10-07 | 杭州欧镭激光技术有限公司 | Beam shaping device for laser radar and shaping method for far-field light spot by using beam shaping device |
| CN111308725B (en) * | 2020-04-02 | 2023-11-14 | 杭州欧镭激光技术有限公司 | Beam shaping device for laser radar and shaping method of beam shaping device for laser radar on far-field light spots |
| CN112748581A (en) * | 2020-12-30 | 2021-05-04 | 中国人民解放军国防科技大学 | Semiconductor laser's circular flat top beam shaping system that can integrate |
| CN114690326A (en) * | 2022-02-25 | 2022-07-01 | 湖北优光科学仪器有限公司 | Elliptical optical fiber collimator |
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