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CN108663192A - The detection device and method of Wavefront sensor - Google Patents

The detection device and method of Wavefront sensor Download PDF

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Publication number
CN108663192A
CN108663192A CN201710210769.XA CN201710210769A CN108663192A CN 108663192 A CN108663192 A CN 108663192A CN 201710210769 A CN201710210769 A CN 201710210769A CN 108663192 A CN108663192 A CN 108663192A
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Prior art keywords
wavefront sensor
interferometer
wave
wavefront
detection device
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CN108663192B (en
Inventor
翟思洪
何经雷
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Shanghai Micro Electronics Equipment Co Ltd
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Shanghai Micro Electronics Equipment Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02Testing optical properties

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

The invention discloses a kind of detection device of Wavefront sensor and method, which includes:Interferometer, for generating plane wave, and the wave aberration in optical path;Spectroscope makes a part of plane wave incidence to Wavefront sensor for being divided to the plane wave, and another part plane wave is projected to the interferometer;Phase plate is removably mounted in light path, for introducing constant aberration;Shrink beam lens group allows detection light beam to be incident on Wavefront sensor completely for changing the bore of Beam Wave-Front;And data acquisition and analysis system, it is separately connected with the interferometer and Wavefront sensor, the measurement accuracy for calculating Wavefront sensor.The detection to Shack Hartmann wave front sensor wave aberration measurement accuracy may be implemented in the present invention, and can effectively deduct the error of optical path itself.

Description

The detection device and method of Wavefront sensor
Technical field
The present invention relates to Wavefront sensor, more particularly to the detection device and method of a kind of Wavefront sensor.
Background technology
Shack-Hartmann wavefront sensor is a kind of Wave-front measurement instrument, and structure, optical path are simple, to light source Coherence requirement is not high, therefore is widely used in fields such as Medical Instruments, adaptive optics, surface characterization tests.Especially In photo-etching machine objective lens fields of measurement, the high-precision detection to objective wave aberration may be implemented in Shack-Hartmann.
Shack-Hartmann wavefront sensor critical piece includes microlens array and photodetector.Incidence wave is incident on Microlens array, position of the focused light spot in each sub-aperture after microlens array and hot spot position when ideal wave incidence Difference is set, since the inclination of wave front in each sub-aperture of microlens array is different, caused facula position deviation also differs, The wave aberration before incidence can be calculated according to the position deviation of hot spot.Since microlens array is in processing, installation, algorithm process There is certain error in the process, there is some difference with Theoretical Design for the performance of Shack-Hartmann wavefront sensor, influences the summer Gram-measurement accuracy of Hartmann wave front sensor.
Invention content
The present invention provides a kind of detection device and method of Wavefront sensor, to realize to Shack-Hartmann wavefront sensing The accurate detection of the wave aberration measurement performance of device.
In order to solve the above technical problems, the present invention provides a kind of detection device of Wavefront sensor, including:
Interferometer, for generating plane wave, and the wave aberration in optical path;
Spectroscope makes a part of plane wave incidence to Wavefront sensor, another portion for being divided to the plane wave Plane wave is divided to be projected to the interferometer;
Phase plate is removably mounted in light path, for introducing constant aberration;
Shrink beam lens group allows detection wavefront to be incident on Wavefront sensor completely for changing the bore of Beam Wave-Front;
And data acquisition and analysis system, it is separately connected with the interferometer and Wavefront sensor, is passed for calculating wavefront The measurement accuracy of sensor.
Preferably, the interferometer uses phase measurement interferometer or fibre optic interferometer.
Preferably, the fibre optic interferometer includes:Light source, collimating mirror, beam splitter, the first, second speculum, semi-transparent half Speculum, convergent mirror and measurement detector, the collimated mirror of light beam that light source is sent out project beam splitter after collimating, and by beam splitter It is divided into two bundles, light beam projects the spectroscope through the reflection of the first speculum, and another light beams are through the second speculum and half Saturating half-reflecting mirror projects convergent mirror, and another part projects the spectroscope, and the spectroscope is by the one of the light beam received For Journalistic to the shrink beam lens group, another part projects the convergent mirror, the convergence through the semi-permeable and semi-reflecting mirror The light beam received is projected the measurement detector by mirror, and the measurement detector connects with the data acquisition and analysis system It connects.
Preferably, the phase plate is removably mounted between the beam splitter and first speculum.
Preferably, the phase plate is arranged between the phase measurement interferometer and the spectroscope.
Preferably, being equipped with testing light source on the phase measurement interferometer.
Preferably, with one or more in coma, astigmatism, spherical aberration and high-order spherical aberration on the phase plate.
Preferably, the shrink beam lens group includes the shrink beam lens and collimation lens set gradually.
Preferably, further including position regulator, the Wavefront sensor is fixed on the position regulator.
Preferably, the Wavefront sensor is Shack-Hartmann wavefront sensor.
The present invention also provides a kind of detection methods of Wavefront sensor, using detection device as described above, including:
When phase plate is installed, the wave aberration of light path where interferometer and Wavefront sensor are measured respectively respectively;
When being not installed with phase plate, the natural waves picture of light path where interferometer and Wavefront sensor are measured respectively respectively Difference;
The result measured interferometer and Wavefront sensor calculates, and the wave aberration for obtaining Wavefront sensor measures mistake Difference.
Preferably, the result measured interferometer and Wavefront sensor calculates, the wave picture of Wavefront sensor is obtained Difference measurements error step includes:By be equipped with phase plate and the no phase plate of interferometer measurement, wave aberration is subtracted each other twice The wavefront difference caused by constant aberration in light path where to interferometer;Phase plate is installed and is not had by what Wavefront sensor measured Having phase plate, wave aberration is subtracted each other twice, the wavefront difference caused by constant aberration in light path where obtaining Wavefront sensor, to two A wavefront difference is compared, and obtains the wave aberration measurement error of Wavefront sensor.
Preferably, when the interferometer uses phase measurement interferometer, by light path wavefront where the Wavefront sensor 1/2 times of progress corresponding position phase difference mathematic interpolation of difference and light path wavefront difference where interferometer.
Preferably, when the interferometer uses fibre optic interferometer, by light path wavefront difference where the Wavefront sensor with The carry out corresponding position phase difference mathematic interpolation of light path wavefront difference where interferometer.
Compared with prior art, the present invention has the following advantages:
1, structure of the invention is simple, easy to operate;
2, the detection to Wavefront sensor wave aberration measurement accuracy may be implemented;
3, Wavefront sensor and interferometer simultaneously measure element under test, reduce caused by repeating installation element under test Error;
4, the present invention can effectively deduct the error of optical path itself.
Description of the drawings
Fig. 1 is the structural schematic diagram of the detection device of Wavefront sensor in the embodiment of the present invention 1;
Fig. 2 is the structural schematic diagram (removing phase plate) of the detection device of Wavefront sensor in the embodiment of the present invention 1;
Fig. 3 is the structural schematic diagram of the detection device of Wavefront sensor in the embodiment of the present invention 2;
Fig. 4 is the structural schematic diagram (removing phase plate) of the detection device of Wavefront sensor in the embodiment of the present invention 2.
Shown in Fig. 1-2:11- phase measurements interferometer, 12- dichroic reflectors, 13- speculums, 14- Wavefront sensors, 15- position regulators, the first lens of 16-, the second lens of 17-, 18- phase plates, 19- data acquisition and analysis systems;
Shown in Fig. 3-4:21- fibre optic interferometers;211- light sources, 212- collimating mirrors, 213- beam splitters, 214- first reflect Mirror, the second speculums of 215-, 216- semi-permeable and semi-reflecting mirrors, 217- convergent mirrors, 218- measure detector, 22- Wavefront sensors, 23- adjusting apparatus, 24- the third lens, the 4th lens of 25-, 26- spectroscopes, 27- phase plates, 28- data collection and analysis system System.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention Specific implementation mode be described in detail.It should be noted that attached drawing of the present invention is all made of simplified form and uses non-essence Accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the detection device of the Wavefront sensor of the present embodiment includes:Phase measurement interferometer 11 divides Light reflection mirror 12, speculum 13, shrink beam lens group and data acquisition and analysis system 19.Wherein, the phase measurement interferometer 11 generate plane wave, and the dichroic reflector 12 is divided the plane wave, and a part of plane wave passes through shrink beam lens group After carrying out shrink beam, it is incident on Wavefront sensor 14, which is Shack-Hartmann wavefront sensor, another part Plane wave is reflected back the phase measurement interferometer 11 by speculum 13.
Further, detection device of the invention further includes phase plate 18,18 detachable installation of the phase plate Between the phase measurement interferometer 11 and reflective speculum 12, thereon carry coma, astigmatism, one kind in high-order spherical aberration or It is a variety of, you can to generate fixed phase difference according to actual needs, to pass through phase measurement interferometer 11 and Wavefront sensor 14, Ke Yifen It does not measure when installing phase plate 18 and uneasy dress phase plate 18,11 place light path of phase measurement interferometer and wavefront sensing The wave aberration of 14 place light path of device.The data acquisition and analysis system 19 and the phase measurement interferometer 11 and Wavefront sensor 14 are separately connected, the measurement accuracy for calculating Wavefront sensor 14.
With continued reference to Fig. 1, the phase measurement interferometer 11 can select commercial fizeau interferometer, further, described Testing light source is additionally provided on phase measurement interferometer 11, the testing light source selects the standard mirror of parallel light output, generates flat Surface wave, the plane wave are supplied to Wavefront sensor 14 to be used as testing light source.
Further, the detection device further includes:Position for the Wavefront sensor 14 to be fixed and adjusted Set adjusting apparatus 15.The shrink beam lens group includes the first lens 16 and the second lens 17 set gradually, and the first lens 16 are right Incident parallel light carries out shrink beam, and the second lens 17 are directional light to the beam collimation after shrink beam, and the two cooperation is to can be incidence Directional light carries out shrink beam.
With continued reference to Fig. 1 and Fig. 2, the present embodiment also provides a kind of detection method of Wavefront sensor, specifically includes:
Light beam is generated using phase measurement interferometer 11, and projects light beams upon dichroic reflector 12;
Dichroic reflector 12 is divided light beam, and a part of light reflection is to Wavefront sensor 14, another part light transmission To speculum 13, the phase measurement interferometer 11 is reflected back by speculum 13;
Wavefront sensor 14 measures the light of reception, obtains the intrinsic wave aberration W of 14 place light path of Wavefront sensorHb (x,y);
Phase measurement interferometer 11 measures the light of reception, obtains the intrinsic of 11 place light path of phase measurement interferometer Wave aberration WIb(x,y);
Phase plate 18 is set between phase measurement interferometer 11 and dichroic reflector 12, makes phase measurement interferometer 11 The light beam of outgoing has constant aberration;
The dichroic reflector 12 is divided the plane wave with constant aberration, and a part of light reflection is to wavefront sensing Device 14, another part light transmission to speculum 13 are reflected back the phase measurement interferometer 11 by speculum 13;
The Wavefront sensor 14 measures the light of reception, obtains the wave aberration W of 14 place light path of Wavefront sensorH (x,y);
Phase measurement interferometer 11 measures the light of reception, obtains the wave picture of 11 place light path of phase measurement interferometer Poor WI(x,y);
The result measured phase measurement interferometer 11 and Wavefront sensor 14 calculates, and obtains Wavefront sensor 14 Wave aberration measurement error, specially:The wave aberration measured using phase measurement interferometer 11 is subtracted phase measurement interferometer 11 and surveyed The intrinsic wave aberration of amount obtains wavefront difference I, i.e. I=caused by phase plate 18 in 11 place light path of phase measurement interferometer WI(x,y)-WIb(x,y);
The wave aberration measured using Wavefront sensor 14 subtracts the intrinsic wave aberration that Wavefront sensor 14 measures, and obtains wavefront The wavefront difference H caused by constant aberration, i.e. H=W in 14 place light path of sensorH(x,y)-WHb(x,y);
Two wavefront differences I and H are compared, the wave aberration measurement error of Wavefront sensor 14 is obtained.
Further, for 11 place light path of phase measurement interferometer, by light beam by phase plate 18 twice, therefore, 1/2 times of the wavefront difference I that the wavefront difference H that Wavefront sensor 14 measures should be measured with phase measurement interferometer 11 is compared, i.e., The verification to 14 detection performance of Wavefront sensor can be achieved.The present embodiment passes through Wavefront sensor 14 and phase measurement interferometer 11 Phase plate 18 is measured simultaneously, error caused by repetition installation phase plate 18 can be reduced, pass through optical path Intrinsic wave aberration can effectively deduct the error of optical path itself.
Embodiment 2
Difference lies in the interferometer of use is different with embodiment 1 for the present embodiment.
As shown in Figure 3 and Figure 4, the detection device of the Wavefront sensor 22 of the present embodiment includes:Fibre optic interferometer 21 is specific For Mach-Zehnder types interferometer, spectroscope 26, adjusting apparatus 23, the shrink beam being made of the third lens 24 and the 4th lens 25 Lens group, phase plate 27 and data acquisition and analysis system 28.
With continued reference to Fig. 3 and Fig. 4, the fibre optic interferometer 21 includes:Light source 211, collimating mirror 212, beam splitter 213, One speculum 214, the second speculum 215, semi-permeable and semi-reflecting mirror 216, convergent mirror 217 and measurement detector 218, light source 211 are sent out The collimated mirror 212 of light beam gone out projects beam splitter 213 after collimating, and is divided into two bundles by beam splitter 213, and light beam is through first The reflection of speculum 214 projects the spectroscope 26, and another light beams are thrown through the second speculum 215 and semi-permeable and semi-reflecting mirror 216 It is mapped to convergent mirror 217;A light beam part for reception is projected Wavefront sensor by the spectroscope 26 through the shrink beam lens group 22, another part projects the convergent mirror 217, the light that the convergent mirror 217 will receive through the semi-permeable and semi-reflecting mirror 216 Beam projects the measurement detector 218, and the measurement detector 218 is connect with the data acquisition and analysis system 28.
Further, phase-plate poor 27 in the present embodiment it is detachable be mounted on the beam splitter 213 and described the It, equally can be according to reality again with one or more in coma, astigmatism, spherical aberration and high-order spherical aberration between one speculum 214 Border needs to generate fixed phase difference.
The detection method of the Wavefront sensor 22 of the present embodiment is same as Example 1:
When being provided with phase plate 27, the fibre optic interferometer 21 and Wavefront sensor 22 measure respective light path respectively Wave aberration WI(x, y) and WH(x,y);
When being not provided with phase plate 27, the fibre optic interferometer 21 and Wavefront sensor 22 measure respective light path respectively Intrinsic wave aberration WIb(x, y) and WHb(x, y), the background error as respective light path;
Similarly, the result measured fibre optic interferometer 21 and Wavefront sensor 22 calculates, and is obtained respectively by phase Wavefront difference caused by poor plate 17 is I=WI(x,y)-WIb(x, y) and H=WH(x,y)-WHb(x, y) compares I and H, this A phase plate 18 is passed through for 22 place light path of fibre optic interferometer 21 and Wavefront sensor, light beam in embodiment, therefore, The wavefront difference I that fibre optic interferometer 21 measures can be directly compared with the wavefront difference H that Wavefront sensor 22 measures, you can realization pair The verification of 22 detection performance of Wavefront sensor.
Obviously, those skilled in the art can carry out invention spirit of the various modification and variations without departing from the present invention And range.If in this way, these modifications and changes of the present invention belong to the claims in the present invention and its equivalent technologies range it Interior, then the present invention is also intended to including these modification and variations.

Claims (14)

1. a kind of detection device of Wavefront sensor, which is characterized in that including:
Interferometer, for generating plane wave, and the wave aberration in optical path;
Spectroscope makes a part of plane wave incidence to Wavefront sensor for being divided to the plane wave, and another part is flat Surface wave is projected to the interferometer;
Phase plate is removably mounted in light path, for introducing constant aberration;
Shrink beam lens group allows detection wavefront to be incident on Wavefront sensor completely for changing the bore of Beam Wave-Front;
And
Data acquisition and analysis system is separately connected with the interferometer and Wavefront sensor, the wave for calculating Wavefront sensor Aberration measurement precision.
2. the detection device of Wavefront sensor as described in claim 1, which is characterized in that the interferometer uses phase measurement Interferometer or fibre optic interferometer.
3. the detection device of Wavefront sensor as claimed in claim 2, which is characterized in that the fibre optic interferometer includes:Light Source, collimating mirror, beam splitter, the first, second speculum, semi-permeable and semi-reflecting mirror, convergent mirror and measurement detector, the light that light source is sent out Beam splitter is projected after the collimated mirror collimation of beam, and is divided into two bundles by beam splitter, light beam is reflected through the first speculum to be projected To the spectroscope, another light beams project convergent mirror through the second speculum and semi-permeable and semi-reflecting mirror, and the spectroscope will connect The light beam part received projects the shrink beam lens group, and another part projects the convergence through the semi-permeable and semi-reflecting mirror The light beam received is projected the measurement detector by mirror, the convergent mirror, and the measurement detector is acquired with the data Analysis system connects.
4. the detection device of Wavefront sensor as claimed in claim 3, which is characterized in that the detachable peace of phase plate Between the beam splitter and first speculum.
5. the detection device of Wavefront sensor as claimed in claim 2, which is characterized in that the phase plate is arranged described Between phase measurement interferometer and the spectroscope.
6. the detection device of Wavefront sensor as claimed in claim 2, which is characterized in that pacify on the phase measurement interferometer Equipped with testing light source.
7. the detection device of Wavefront sensor as described in claim 1, which is characterized in that carry broom on the phase plate It is one or more in difference, astigmatism, spherical aberration and high-order spherical aberration.
8. the detection device of Wavefront sensor as described in claim 1, which is characterized in that the shrink beam lens group includes successively The shrink beam lens and collimation lens of setting.
9. the detection device of Wavefront sensor as described in claim 1, which is characterized in that further include position regulator, institute Wavefront sensor is stated to be fixed on the position regulator.
10. the detection device of Wavefront sensor as described in claim 1, which is characterized in that the Wavefront sensor is Shack- Hartmann wave front sensor.
11. a kind of detection method of Wavefront sensor, using the detection device as described in claim 1~10 any one, It is characterized in that, including:
When phase plate is installed, the wave aberration of light path where interferometer and Wavefront sensor are measured respectively respectively;
When being not installed with phase plate, the intrinsic wave aberration of light path where interferometer and Wavefront sensor are measured respectively respectively;
The result measured interferometer and Wavefront sensor calculates, and obtains the wave aberration measurement error of Wavefront sensor.
12. the detection method of Wavefront sensor as claimed in claim 11, which is characterized in that interferometer and Wavefront sensor The result of measurement is calculated, and the wave aberration measurement error step for obtaining Wavefront sensor includes:By the installation of interferometer measurement Having phase plate and no phase plate, wave aberration is subtracted each other twice, the wave caused by phase plate in light path where obtaining interferometer Preceding difference;The phase plate that is equipped with that Wavefront sensor is measured with phase plate is fitted without subtract each other twice by wave aberration, obtains wave The wavefront difference caused by phase plate in light path, is compared two wavefront differences where front sensor, obtains Wavefront sensor Wave aberration measurement error.
13. the detection method of Wavefront sensor as claimed in claim 12, which is characterized in that the interferometer is surveyed using phase When measuring interferometer, 1/2 times of light path wavefront difference where the Wavefront sensor and light path wavefront difference where interferometer is carried out pair Answer position phase difference mathematic interpolation.
14. the detection method of Wavefront sensor as claimed in claim 12, which is characterized in that the interferometer is dry using optical fiber When interferometer, by the carry out corresponding position phase of light path wavefront difference where the Wavefront sensor and light path wavefront difference where interferometer Poor mathematic interpolation.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116294983A (en) * 2023-02-28 2023-06-23 重庆米森科技有限公司 Non-closed optical path wave front segmentation interferometer based on planar optical path design

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006284233A (en) * 2005-03-31 2006-10-19 Fujinon Corp System error measuring device and wavefront measuring interferometer device having the same
JP2007170888A (en) * 2005-12-20 2007-07-05 Olympus Corp Optical element inspection equipment
CN102889935A (en) * 2012-09-14 2013-01-23 中国科学院光电技术研究所 Self-adaptive optical system near-field wavefront sensor calibration device and calibration method based on phase difference method
CN104236856A (en) * 2014-09-10 2014-12-24 中国科学院上海光学精密机械研究所 Wave aberration detection device of objective lens imaging system and system error correction method of wave aberration detection device
CN104677507A (en) * 2015-02-02 2015-06-03 中国科学院西安光学精密机械研究所 Wide-spectrum shack-Hartmann wavefront sensor absolute calibration device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006284233A (en) * 2005-03-31 2006-10-19 Fujinon Corp System error measuring device and wavefront measuring interferometer device having the same
JP2007170888A (en) * 2005-12-20 2007-07-05 Olympus Corp Optical element inspection equipment
CN102889935A (en) * 2012-09-14 2013-01-23 中国科学院光电技术研究所 Self-adaptive optical system near-field wavefront sensor calibration device and calibration method based on phase difference method
CN104236856A (en) * 2014-09-10 2014-12-24 中国科学院上海光学精密机械研究所 Wave aberration detection device of objective lens imaging system and system error correction method of wave aberration detection device
CN104677507A (en) * 2015-02-02 2015-06-03 中国科学院西安光学精密机械研究所 Wide-spectrum shack-Hartmann wavefront sensor absolute calibration device and method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
A. MARZOA等: "Comparison of Shack-Hartmann sensor and Point Diffraction Interferometer for Wavefront Aberration analysis.", 《IEEE》 *
沈锋等: "夏克-哈特曼波前传感器的波前相位探测误差", 《光学学报》 *
王艳萍等: "哈特曼波前分析仪校准方法研究", 《中国激光》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116294983A (en) * 2023-02-28 2023-06-23 重庆米森科技有限公司 Non-closed optical path wave front segmentation interferometer based on planar optical path design
CN116294983B (en) * 2023-02-28 2024-01-23 重庆米森科技有限公司 Non-closed optical path wave front segmentation interferometer based on planar optical path design

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