High resolution wavefront analyzer/wavefront sensor/wavefront phase difference meter
400X300high resolution500umHigh dynamic range, high cost-effectiveness, simultaneous detection of wavefront andM^2Wavefront sensor!
Keywords:Wavefront sensor, wavefront analyzer, wavefront aberration analyzer, sensor, wavefront testerwavefront sensorLaser wavefront analyzer, Hartmann wavefront analyzeriris registrationHartmann wavefront sensor, wavefront aberration, high-resolution wavefront analyzer, wavefront measurement instrument, laser beam and wavefront analyzer, Shack Hartmann, lensMTF
Developed independently by the companyThe wavefront sensor isBased on four wave transverse shear interferometry technology.SID4seriesCompared to traditional Shack Hartmann wavefront detectors, wavefront analyzers havehigh resolutionColor correction, high sensitivityHigh dynamic detection rangeAdvantages such as easy operation. forWavefront aberrationDetection of wavefront distortion and laser beam andwavefrontThe measurement, analysis, and ophthalmic iris localization wavefront aberration guidance provide a new solution!The software interface of the wavefront detector is user-friendly and can intuitively output high-resolution phase maps and beam intensity distribution maps.
High resolution wavefront analyzer/wavefront sensor/wavefront phase difference meter
Wavefront sensor manufacturers haveStrong technical research and development capabilities, able to provide customers with various adaptive optics systemsOA-SYS(Adaptive Optics Loops),Develop personalized solutions. We can provide customers with the most suitable solutions based on their application needsSID4Wavefront sensors, deformable mirrors, orspatial light modulatorAdaptive optics system operating software, etc.

Figure 1 Comparison before and after wavefront correction
Wavefront detector based on its four wave transverse shearinterfereTechnology has undergone significant upgrades and improvements to Hartmann mask technology.The wavefront sensor will400X300Ultra high resolution and500umThe ultra large dynamic range * is combined together. Can meet the application needs of different customers, and can adjust the intensity, phasePSF(Point spread function)MTF(Modulation transfer function)OTF(Optical Transfer Function)Wavefront aberrationTheM^2Conduct real-time, simple, and fast measurements.
*DepartmentProduct Introduction
SID4 UV-HRHigh resolution ultraviolet wavefront sensor
The company willSID4The wavelength range of wavefront measurement has been extended to190nm-400nm.SID4 UV-HRIt is a high-resolution wavefront sensor suitable for the ultraviolet band, which is very suitable for optical component measurement (such as printing, semiconductor, etc.) and surface detection (semiconductor chip detection, etc.).
Features:
uhigh resolution(250x250)
uLarge aperture for light transmission(8.0mmx8.0mm)
uCovering UV spectra
uhigh sensitivity(0.5um)
uOptimize signal-to-noise ratio

Figure 2 SID4-UV wavefront analyzer
SID4Wavefront sensor
can be used for400nm-1000nm The wavefront phase, intensity distribution, wavefront aberration, and laser'sM2Real time measurement and parameter output of Zenik parameters.
Features:
At the bottomWavelength range:400-1100nm
At the bottomHigh resolution(160x120)
At the bottomachromatic
At the bottomHigh measurement stability
At the bottomNot sensitive to vibration
At the bottomEasy to operate
At the bottomCompact structure and small volume
At the bottomCan be controlled with a laptop computer


Figure 3SID4Phase detection
Can be used to detect various typesLens, optical systemReal time detection of lenses and optical systemsPSF(Point spread function)MTF(Modulation transfer function)OTF(Optics)transfer function)Wavefront aberration measurement and parameter output. Compared to traditional lens detection equipment such as transducers and interferometers, it has the advantages of easy operation, high measurement accuracy, and convenient parameter output, and is increasingly being praised by more and more customers.
Features:
uWavelength range:400-1100nm
uHigh performance camera with high signal-to-noise ratio
uReal time measurement, providing immediate information on the entire surface of the object(120000A measurement point)
uExtremely short exposure time ensures dynamic object measurement
uEasy to operate

Figure 4SID4-HR

image5 SID4-HRTransfer function detection
SID4 NIR Wavefront Sensor
Mainly targeting1550 nm(1.5um-1.6um)Laser detection with high resolutionHigh sensitivityHigh dynamic rangeAdvantages such as easy operation. Can be used for optical measurement,SID4 NIRIt measures the aberrations of infrared objects and infrared lensesPSFTheMTFIdeal tool for focal length and surface quality.
Features:
²High resolution(160x120)
²Quick measurement
²cost-effective
²measurement
²Not sensitive to vibration
image6 SID4 NIRLaser wavefront detection
SID4 DWIRWavefront sensor
Characterized by wideband measurement. Can detect in real-time3-5umand8-14umThe wavefront phase, intensity distribution, and other responsive wavefront information. It can effectively meet the wavefront detection needs of customers in the infrared band.
Features:
uOptical measurement:SID4 DWIRIt is used to measure the characteristics of infrared objects (thermal imaging and safety vision) or infrared lenses(CO2The ideal tool for lasers, with output results includingMTF,PSFAberrations, surface quality, and lens focal length.
uBeam measurement:(CO2Laser, infraredOPOLaser light source, etcSID4 DWIRProvide detailed beam characteristic parameters: aberration,M2Light intensity distribution, beam characteristics, etc
uHigh resolution(96x72)
uCan achieve measurement
uCan cover large numerical aperture measurements in the mid infrared and far-infrared bands without the need for additional intermediate lenses
uQuick measurement is insensitive to vibration
uCan achieve off-axis measurement
ucost-effective

image7SID4 DWIR
SID4Summary of Product Model Parameters
model |
SID4 |
SID4-HR |
SID4 UV-HR |
SID4 NIR |
SID4 DWIR |
SID4-SWIR |
Aperture size(mm2) |
3.6 x4.8 |
8.9 x11.8 |
8.0 x8.0 |
3.6x4.8 |
13.44x10.08 |
9.6x7.68 |
spatial resolution(um) |
29.6 |
29.6 |
32 |
29.6 |
140 |
120 |
measurement points |
160x120 |
300x400 |
250x250 |
160x120 |
96x72 |
80X64 |
wavelength range |
350-1100 nm |
350-1100 nm |
190-400 nm |
1.5-1.6µm |
3-5µm 8-14µm |
0.9- 1.7µm |
accuracy |
10nm RMS |
10nm RMS |
10nm RMS |
>15nm RMS |
75nm RMS |
10nm RMS |
dynamic range |
>100µm |
>500µm |
>200um |
>100µm |
/ |
~100µm |
Sampling speed |
60 fps |
10 fps |
30 fps |
60 fps |
50 fps |
60fps |
processing speed |
>10fps |
>3 fps |
1fps |
<10fps |
20 Hz |
>10Hz |
Part 2control software
SID4Wavefront analyzer control software
SID4Wavefront analyzer control softwareAccompanying the SID4 wavefront sensor is a complete analysis software that integrates high-resolution phase and intensity distribution maps to measure light intensity distribution and wavefront information.
with the help ofLabviewandC++Programmable module database (software secondary development toolkit), customers can write various phase measurement and compilation modules according to their own needs.
Adaptive Optics LoopsTranslate into EnglishSID4 Wavefront SensorBased on your application, choose the appropriate deformable mirror or phase modulator to provide a complete set of adaptive optics system. Reducing the phase difference of any optical system is never simple. Our products can provide more reliable and high-precision solutions for laser beams and imaging systems.

image8 SID4control interface
SID4Optical measurement softwareKaleo
Wavefront sensor based on shear interferometry and specially designed optical measurement softwareKaleoCombined, it can measure the aberrations of spherical and non spherical mirrorsMTFWaiting for information. In just a few seconds, our instrument presents you with the vast majority of optical parameters, such as focal length, optical waist,MTFAberration,ZernikeCoefficient, curvature radius,PSFWait.
Part ThreeComparison with traditional Hartmann wavefront analyzer
Comparison with traditional Hartmann wavefront sensor measurement results:


Technical parameter comparison:
|
PHASICS |
Shack-Hartmann |
difference |
technology |
Shear interference |
microlens array |
PHASICSWhen it was launched on the market, the technology had already been applied for, which is an upgrade to the Shack Hartmann technology |
Reconstruction method |
Fourier transform |
Partition or pattern method |
The Shack Hartmann wavefront detector approximates the local derivative with the average value of the micro lens unit area, resulting in large errors |
intensity |
Not sensitive to intensity changes |
Sensitive to changes in intensity |
PHASICSHigh measurement accuracy, wavefront measurement does not rely on intensity level |
calibration |
Using pinhole calibration, convenient and fast |
Installation is difficult and requires a precise adjustment table |
PHASICSeasy to use |
sampling point |
SID4-HRreach300X400measurement point |
128X128Measurement points (multiple microlenses) |
PHASICSHaving higher resolution |
Numerical Aperture |
NA:0.5 |
NA:0.1 |
PHASICSHigher dynamic range |
resolution |
29.6μm |
115μm |
PHASICSHaving higher spatial resolution |
measurement accuracy |
2nm RMS |
5nm RMS |
PHASICSBetter measurement accuracy |
Obtain frequency |
60fps |
30fps |
PHASICSFast acquisition speed |
processing frequency |
>10Hz |
30Hz |
PHASICSCan meet most processing requirements |
achromatic |
No need to calibrate each wavelength |
Calibration is required at each wavelength |
PHASICSMore flexible, able to test wideband without calibration |
Part FourApplication field
At the bottomLaser, astronomy, microscopy, ophthalmology, etcComplex adaptiveWavefront aberration detection in optical systems
At the bottomLaser beam performance, wavefront aberrationM^2Testing of strength, etc
At the bottomInfrared and near-infrared detection
At the bottomcollimator/Detection and installation of telescope system
At the bottomSatellite remote sensing imaging, biological imaging, and thermal imaging fields
At the bottomSpherical and non spherical surfacesOptical component testing(plane,spherical surface,lens)
At the bottomIris localization aberration guidance
At the bottomLarge aperture high-precision optical component testing
At the bottomLaser communication field
At the bottomAerospace field