CN205655982U - Transmission rate test system of lens - Google Patents

Transmission rate test system of lens Download PDF

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Publication number
CN205655982U
CN205655982U CN201620273998.7U CN201620273998U CN205655982U CN 205655982 U CN205655982 U CN 205655982U CN 201620273998 U CN201620273998 U CN 201620273998U CN 205655982 U CN205655982 U CN 205655982U
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CN
China
Prior art keywords
diaphragm
light
test
lens
spectrum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201620273998.7U
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Chinese (zh)
Inventor
马骅
任寰
张霖
杨�一
石振东
原泉
马玉荣
陈波
杨晓瑜
柴立群
马可
刘旭
姜宏振
刘勇
李东
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Laser Fusion Research Center China Academy of Engineering Physics
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Laser Fusion Research Center China Academy of Engineering Physics
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Abstract

The utility model relates to an optics field specifically provides a transmission rate test system of lens, the system is including test light generating device, diaphragm, diaphragm controlling means, total mark ball, spectrum testing arrangement and spectrometer, test light generating device be used for providing test light, the diaphragm set up in test light generating device with between the total mark ball, the diaphragm with it is surveyed lens to be used for placing between the total mark ball, the income unthreaded hole of total mark ball is located survey the focus position of lens, diaphragm controlling means is used for control the removal of diaphragm so that the test light transmission the logical unthreaded hole of diaphragm arrives survey lens preset position, spectrum testing arrangement set up in the play unthreaded hole orientation of total mark ball, it is right to be used for the output light of total mark ball carries out the spectrum test, spectrometer with spectrum testing arrangement electricity is connected, and it is right to be used for the spectrum that spectrum testing arrangement obtained carries out spectral analysis.

Description

The absorbance test system of lens
Technical field
This utility model relates to optical field, in particular to the absorbance of a kind of lens Test system.
Background technology
Measured lens is a kind of element being widely used in all kinds of optical system, and its absorbance is divided Cloth is related to image quality and the energy transfer efficiency of optical system.Existing measured lens is saturating Penetrate the measurement system of rate, all can only test the absorbance at measured lens optical axis, it is impossible to know The absorbance of each diverse location of measured lens, the most this absorbance cannot be the most anti- Reflect the overall condition of the absorbance of measured lens.
Utility model content
In view of this, this utility model provides the absorbance test system of a kind of lens, with Improve the problem that can only test the absorbance at measured lens optical axis in prior art.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of lens absorbance test system, described system include test light generating apparatus, Diaphragm, diaphragm control device, integrating sphere, spectrum test device and spectral analysis device, Described test light generating apparatus is used for providing test light, described diaphragm to be arranged at described test light Between generating means and described integrating sphere, it is used for placing between described diaphragm and described integrating sphere Measured lens, the incidence hole of described integrating sphere is positioned at the focal position of described measured lens, institute State diaphragm and control device for controlling the movement of described diaphragm so that described in described test light transmission The light hole of diaphragm is to described measured lens precalculated position, and described spectrum test device is arranged at The light hole direction of described integrating sphere, for carrying out spectrum survey to the output light of described integrating sphere Examination, described spectral analysis device electrically connects with described spectrum test device, for described light The spectrum that spectrum test device obtains carries out spectrum analysis.
Preferably, in the absorbance test system of said lens, described spectrum test device bag Include the spectrophotometer of transmitance for testing described measured lens.This spectrophotometer can The corresponding of this measured lens is obtained with the direct light according to test baseline and through measured lens The absorbance in precalculated position, simple and convenient.
Preferably, in the absorbance test system of said lens, described diaphragm is rectangle, institute The light hole stating diaphragm is rectangle.The light hole of rectangle is in moving process, it is ensured that move The most closely linking between the precalculated position that dynamic each two is adjacent, so that this test system can By mobile diaphragm, to test the absorbance in the different precalculated position of whole measured lens.
Preferably, in the absorbance test system of said lens, the minor face of described diaphragm is long Twice more than the diameter of described measured lens.So that when the logical light sky of diaphragm corresponds to lens Edge time do not have veiling glare and enter from this edge of lens another edge rightabout Enter.
Preferably, in the absorbance test system of said lens, the light hole of described diaphragm is Square, the side size range of described light hole is 0.1mm to 10mm.
Preferably, in the absorbance test system of said lens, described test light is many for including The light of individual wavelength.Make this system can test measured lens absorbance at different wavelengths to divide Cloth.
Preferably, in the absorbance test system of said lens, described test light is directional light.
Preferably, in the absorbance test system of said lens, the surface configuration of described diaphragm There is black coating.Black coating can reduce the diffuse-reflectance impact on test result of light.
Preferably, in the absorbance test system of said lens, described diaphragm controls device bag Including control unit and mobile unit, described control unit electrically connects with described mobile unit, Described mobile unit is for described diaphragm mobile under the control of described control unit.
Preferably, in the absorbance test system of said lens, described mobile unit includes step Entering motor and driving member, described motor is for driving described light by described driving member Door screen is mobile.
The beneficial effect that this utility model realizes: the lens that this utility model embodiment provides Absorbance test system, can control device by diaphragm and control the movement of diaphragm, so that surveying Examination light arrives the precalculated position of measured lens, by the light that this precalculated position projects away The analysis of spectrogram, can obtain the absorbance in this precalculated position.Due to precalculated position according to Need to arrange, i.e. can move diaphragm as required so that test light arrives measured lens not Co-located, therefore can test the absorbance of the diverse location of measured lens, such that it is able to very Reflect the overall condition of the absorbance of this measured lens on the spot.
Accompanying drawing explanation
For clearer explanation this utility model embodiment or technical side of the prior art Case, will make simple to the accompanying drawing used required in embodiment or description of the prior art below Introduce, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model Execute example, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 shows that this utility model first embodiment provides the absorbance test system of lens The structural representation of a kind of embodiment;
Fig. 2 shows the structural representation of the diaphragm that this utility model first embodiment provides;
Fig. 3 shows the absorbance test system of the lens that this utility model first embodiment provides The structural representation of the another embodiment of system.
Wherein, reference is summarized as follows:
Test light generating apparatus 110, diaphragm 120, diaphragm controls device 121, control unit 122, mobile unit 123, light hole 124, integrating sphere 130, integrating sphere 130 enter light Hole 131, the light hole 132 of integrating sphere 130, spectrum test device 140, spectrum analysis fills Put 150, measuring and calculation machine 160, measured lens 100.
Detailed description of the invention
The absorbance of measured lens is distributed in image quality and the energy transfer efficiency of optical system Closely related, but the test system of the existing absorbance to measured lens, can only test Absorbance at measured lens optical axis, it is impossible to test the absorbance of other different parts, thus The absorbance distribution situation of whole measured lens can not be known.
In view of the foregoing, utility model people, through long-term research and substantial amounts of practice, carries Supply the absorbance test system of a kind of lens to improve existing issue.The absorbance of these lens In test system, test light arrives measured lens by the light hole of diaphragm, by controlling light The position of the light hole correspondence measured lens of door screen, the transmission at the position that test measured lens is different Rate, simple in construction, application is convenient.
Below in conjunction with accompanying drawing in this utility model embodiment, in this utility model embodiment Technical scheme be clearly and completely described, it is clear that described embodiment be only The a part of embodiment of this utility model rather than whole embodiments.Below in the accompanying drawings The detailed description of the embodiment of the present utility model provided is not intended to limit claimed basis The scope of utility model, but it is merely representative of selected embodiment of the present utility model.Based on this The embodiment of utility model, those skilled in the art are not making the premise of creative work Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
Fig. 1 shows the absorbance test system of the lens that this utility model embodiment provides, This test system is used for testing the absorbance of measured lens, and, it is mainly used in testing convex lens The absorbance of mirror.As it is shown in figure 1, this system includes testing light generating apparatus 110, diaphragm 120, diaphragm controls device 121, integrating sphere 130, spectrum test device 140 and spectrum Analytical equipment 150.
Wherein, test light generating apparatus 110 is used for providing test light, concrete, this test The test light that light generating apparatus 110 provides is directional light.Test light generating apparatus 110 is permissible It is provided with light source, and is to meet the test light required by the optical processing that light source produces.
Diaphragm 120 is the device for confine optical beam outgoing, including the outgoing position of confine optical beam Put.In the present embodiment, diaphragm 120 is arranged at test light generating apparatus 110 and integrating sphere Between 130, the exit direction of the test light that test light generating apparatus 110 provides is towards diaphragm 120, i.e. the test light from test light generating apparatus 110 outgoing is irradiated to diaphragm 120, Fig. 1 In to be positioned at the dotted line of diaphragm 120 both sides be the schematic representations to test light.In the present embodiment, Diaphragm 120 includes lightproof area and light hole 124, and partial test light is blocked region and hides Gear, partial test light passes through light hole 124, i.e. the test light of light hole 124 correspondence Light hole 124.Further, in this embodiment, it is used between diaphragm 120 and integrating sphere 130 Placing measured lens 100, the incidence hole 131 of integrating sphere 130 is positioned at measured lens 100 Focal position, arrives measured lens and through measured lens from the light hole 124 of diaphragm 120 Test light enter this integrating sphere 130.Test light generating apparatus 110, diaphragm 120, tested Lens 100 and integrating sphere 130 set gradually in the same direction.
Further, in the present embodiment, the light hole 124 of this diaphragm 120 is rectangle, It is, of course, preferable to, as in figure 2 it is shown, the light hole 124 of diaphragm 120 is square.And And, the length of side of light hole 124, less than the diameter of measured lens, determines according to actual needs, Preferably, the scope of length of side w of light hole 124 can be 0.1mm to 10mm.
It addition, the outward flange of the lightproof area of this diaphragm 120 is rectangle, it is preferred that such as figure Shown in 2, the outward flange of the lightproof area of diaphragm 120 can be square, in fig. 2, Dash area represents lightproof area.Further, further, the outward flange of this lightproof area The long L of minor face more than the twice of diameter of measured lens 100, to avoid when light hole 124 There is veiling glare from other edges through measured lens during the marginal position of corresponding measured lens 100 100。
Further, in the present embodiment, the surface configuration of diaphragm 120 has black coating, This black coating can reduce the diffuse-reflectance impact on measurement result of light.
In the absorbance test system of the lens of the present embodiment offer, diaphragm controls device 121 for controlling the movement of diaphragm 120, concrete, and diaphragm controls device 121 and can wrap Include control unit 122 and mobile unit 123, control unit 122 and mobile unit 123 Having signal annexation, this signal annexation can be wired connection, it is also possible to be nothing Line connects, and mobile unit 123 is for this diaphragm mobile under the control of control unit 122 120.The shift position of diaphragm 120 is mainly the measured lens according to light hole 124 correspondence Position determines, i.e. by mobile diaphragm 120, can make the logical of test light transmission diaphragm 120 Unthreaded hole 124 is to the precalculated position of measured lens 100.
Further, in the present embodiment, mobile unit 123 can include motor with And driving member, described motor is for driving described diaphragm to move by described driving member. I.e. driving member is connected with the rotating shaft of motor, and control unit 122 controls motor Axis of rotation, the rotating shaft that motor rotates drives the action of driving member, so that diaphragm is sent out Raw mobile.It should be understood that the quantity of motor is not intended as limiting, can effectively control Diaphragm processed moves at the different directions meeting demand and is advisable.
Further, in the present embodiment, spectrum test device 140 is arranged at integrating sphere 130 The light direction of light hole 132, the light entered from the incidence hole 131 of integrating sphere 130 is amassing Multiple reflections in bulb separation 130, forms uniform illumination, from going out of integrating sphere 130 on inwall The light of unthreaded hole 132 output enters spectrum test device 140, as it is shown in figure 1, in FIG, Arrow between integrating sphere 130 and spectrum test device 140 represents the direction of propagation of light.Should Spectrum test device 140 carries out spectrum test to the output light of integrating sphere 130, and, light Analysis of spectrum device 150 electrically connects with spectrum test device 140, for described spectrum test The spectrum that device 140 obtains carries out spectrum analysis.Certainly, in the present system, place tested Before lens, first pass through a branch of test light to integrating sphere from the light hole 124 of diaphragm 120 130, so that spectrum test device 140 is tested for the test light through measured lens 100, Acquisition can be as the spectrogram of absorbance test baseline.
Concrete, this spectrum test device 140 can be general spectrogrph, to integrating sphere The output light of 130 carries out test and obtains the corresponding spectrogram exporting light, spectral analysis device 150 pairs of spectrum are analyzed, according to test baseline and through measured lens 100 pre-determined bit The spectrogram of the test light put, it is thus achieved that the absorbance of predetermined test position record.It addition, In the present embodiment, it is provided that test light can be the monochromatic light of only one of which wavelength, it is possible to To be the light including multiple wavelength.When testing the light that light is multiple wavelength, spectrum analysis fills Put the 150 precalculated position absorbancies at different wavelengths simultaneously obtaining measured lens 100 to divide Cloth also carries out record.
In the another embodiment that the present embodiment provides, spectrum test device 140 also may be used To be the spectrophotometer that can be directly used for testing the transmitance of this measured lens 100.This point Light photometer is after obtaining test baseline, according to test baseline and through measured lens 100 The light in precalculated position obtains the absorbance in this precalculated position.Spectral analysis device 150 is pre-to this The absorbance that location is put carries out record, and, when test light is the light with multiple wavelength, During such as white light, precalculated position absorbance at different wavelengths is divided by spectral analysis device 150 Cloth is analyzed and record.
It addition, in a kind of detailed description of the invention of this utility model embodiment, such as Fig. 3 institute Showing, diaphragm control device 121 and spectral analysis device 150 can be integrated into one can be real The control of existing diaphragm 120 and the measuring and calculation machine 160 of spectrum analysis, its detailed description of the invention It is not intended as in the present embodiment limiting.
When the absorbance test system of the lens using this utility model embodiment to provide, first First, putting into measured lens 100, diaphragm control device 121 moves diaphragm 120 makes test light Integrating sphere 130 is entered, with from integrating sphere 130 by the light hole 124 of this diaphragm 120 Light hole 132 output not through measured lens 100 test light as spectrum test fill Put the input light source of 140, it is thus achieved that spectrogram.Tested using this spectrogram as being used for obtaining The test baseline of the absorbance of mirror 100.
After the test baseline obtaining test light, measured lens is placed into integrating sphere 130 with The position for placing measured lens 100 between diaphragm 120, and regulate measured lens The spatial attitude of 100, makes this measured lens 100 be exactly perpendicularly to test light, and, make The focus of measured lens 100 is positioned at the incidence hole 131 of integrating sphere 130.Filled by control Put mobile diaphragm 120, make the light hole 124 of diaphragm 120 correspond to measured lens 100 Precalculated position, so that the test light through light hole 124 is irradiated to the pre-of measured lens 100 Location is put, and enters integrating sphere 130 through precalculated position, thus at spectrum test device 140 Obtain the test spectral figure in this precalculated position.Certainly, precalculated position can include multiple, light Door screen control device 121, according to actual testing requirement, moves diaphragm 120 successively, makes diaphragm 120 The different precalculated position of the corresponding measured lens of light hole 124, different predetermined to test The absorbance of position.
Spectral analysis device is according to test baseline and the test spectral figure in precalculated position, it is thus achieved that The absorbance of the measured position of measured lens.
It addition, when testing light and being the light including multiple wavelength, by analyzing, it is possible to obtain The absorbance distribution of this measured lens 100 under each wavelength.
In sum, the absorbance test system of the lens that this utility model embodiment provides, Determine that test light irradiates the position of measured lens by mobile diaphragm, lead to light testing light transmission The position of the measured lens that hole is irradiated as the precalculated position of measured lens to test this pre-determined bit The absorbance put, the position that diaphragm moves is different, the precalculated position change that light hole is corresponding, Such that it is able to the absorbance of the diverse location of test measured lens.Further, tested by selection The difference of light, can so that light that test light is Single wavelength or there is the light of multiple wavelength, It is hereby achieved that the absorbance distribution that measured lens is at different wavelengths.This system can obtain To the absorbance of the diverse location of measured lens, and simple in construction, easy to use, test standard Really.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, on Face combines the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment Scheme has carried out clearly and completely describing, it is clear that described embodiment is that this practicality is new The a part of embodiment of type rather than whole embodiments.Generally described in the accompanying drawing herein and The assembly of this utility model embodiment illustrated can be arranged with various different configurations and set Meter.
Therefore, the detailed description of the above embodiment of the present utility model to providing in the accompanying drawings It is not intended to limit claimed scope of the present utility model, but is merely representative of this practicality Novel selected embodiment.Based on the embodiment in this utility model, ordinary skill The every other embodiment that personnel are obtained under not making creative work premise, all belongs to Scope in this utility model protection.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently It defines further and explains.
In description of the present utility model, it should be noted that term " " center ", " on ", The orientation of the instruction such as D score, "left", "right", " vertically ", " level ", " interior ", " outward " Or position relationship is based on orientation shown in the drawings or position relationship, or this utility model The orientation usually put during product use or position relationship, be for only for ease of this practicality of description Novel and simplification describes rather than indicates or imply that the device of indication or element must have spy Fixed orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality The restriction of type.Additionally, term " first ", " second ", " the 3rd " etc. are only used for differentiation and retouch State, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite rule Fixed and limit, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, Connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected;Can To be mechanical connection, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible in by Between medium be indirectly connected to, can be the connection of two element internals.Common for this area For technical staff, concrete in this utility model of above-mentioned term can be understood with concrete condition Implication.

Claims (10)

1. the absorbance test system of lens, it is characterised in that described system includes Test light generating apparatus, diaphragm, diaphragm control device, integrating sphere, spectrum test device with And spectral analysis device, described test light generating apparatus is used for providing test light, described diaphragm Being arranged between described test light generating apparatus and described integrating sphere, described diaphragm is long-pending with described Being used for placing measured lens between bulb separation, the incidence hole of described integrating sphere is positioned at described tested The focal position of mirror, described diaphragm controls device for controlling the movement of described diaphragm so that institute State the light hole of diaphragm described in test light transmission to described measured lens precalculated position, described light Spectrum test device is arranged at the light hole direction of described integrating sphere, for described integrating sphere Output light carries out spectrum test, and described spectral analysis device is electrically connected with described spectrum test device Connect, carry out spectrum analysis for the spectrum that described spectrum test device is obtained.
System the most according to claim 1, it is characterised in that described spectrum test Device includes the spectrophotometer of the transmitance for testing described measured lens.
System the most according to claim 1, it is characterised in that described diaphragm is square Shape, the light hole of described diaphragm is rectangle.
System the most according to claim 3, it is characterised in that described diaphragm is Minor face length is more than the twice of the diameter of described measured lens.
System the most according to claim 3, it is characterised in that leading to of described diaphragm Unthreaded hole is square, and the side size range of described light hole is 0.1mm to 10mm.
System the most according to claim 1, it is characterised in that described test light is Light including multiple wavelength.
System the most according to claim 1, it is characterised in that described test light is Directional light.
System the most according to claim 1, it is characterised in that the table of described diaphragm Face is provided with black coating.
System the most according to claim 1, it is characterised in that described diaphragm controls Device includes control unit and mobile unit, described control unit and described mobile unit electricity Connecting, described mobile unit is for described diaphragm mobile under the control of described control unit.
System the most according to claim 9, it is characterised in that described mobile unit Including motor and driving member, described motor is for driving by described driving member Described diaphragm moves.
CN201620273998.7U 2016-04-05 2016-04-05 Transmission rate test system of lens Withdrawn - After Issue CN205655982U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628346A (en) * 2016-04-05 2016-06-01 中国工程物理研究院激光聚变研究中心 Lens transmittance test system and method
CN109856071A (en) * 2019-03-11 2019-06-07 西北核技术研究所 A kind of spectrum on line diagnostic method and device
CN109781671B (en) * 2019-03-11 2021-11-05 西北核技术研究所 Transmission rate on-line test method and device
CN114355616A (en) * 2022-01-14 2022-04-15 中国工程物理研究院激光聚变研究中心 Shape-preserving sharp-edge flat-top femtosecond laser shaping method and device for deep groove micromachining

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105628346A (en) * 2016-04-05 2016-06-01 中国工程物理研究院激光聚变研究中心 Lens transmittance test system and method
CN105628346B (en) * 2016-04-05 2019-05-21 中国工程物理研究院激光聚变研究中心 The transmissivity test macro and method of lens
CN109856071A (en) * 2019-03-11 2019-06-07 西北核技术研究所 A kind of spectrum on line diagnostic method and device
CN109781671B (en) * 2019-03-11 2021-11-05 西北核技术研究所 Transmission rate on-line test method and device
CN114355616A (en) * 2022-01-14 2022-04-15 中国工程物理研究院激光聚变研究中心 Shape-preserving sharp-edge flat-top femtosecond laser shaping method and device for deep groove micromachining
CN114355616B (en) * 2022-01-14 2023-09-19 中国工程物理研究院激光聚变研究中心 Shape-preserving sharp edge flat top femtosecond laser shaping method and device for deep groove micromachining

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