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HASO™3 Fast Shack-Hartmann wavefront sensors
 
  hasoOur HASO3 Fast Shack-Hartmann wavefront sensors provide fast, accurate and reliable measurements by uniting the standard HASO family’s standard functionalities that customers have come to rely on, including absolute measurement, unequalled accuracy and insensitivity to vibration, with an acquisition speed of 950 Hz and a spatial resolution of 15 x 15 microlenses.

Your HASO3 Fast is delivered with HASOv3, our industry leading wavefront analysis software. With just a few clicks, you can perform both zonal and modal wavefront reconstruction as well as visualize the spot image and raw camera data. Optional add-ons enable you to go even further and calculate the PSF, MTF, Strehl ratio and obtain the M² parameter. Adaptive optics users can take advantage of our CASAO™ software package to control adaptive optics loops to correct wavefronts, optimize the focal spots of laser beams and perform beam shaping.

Technical specifications are detailed in the table below. If you would like more information, please call +33 (0)1 64 86 15 60 or e-mail us by clicking here.

Aperture dimension 1.7 x 1.7 mm²
Number of microlenses 14 x 14
Refractive microlens technology standard square
Tilt dynamic range > ± 3 °
Focus dynamic range - minimum local radius of curvature ±0.025 m 
Focus dynamic range - maximum NA 0.1
Repeatability (rms) < λ/200
Wavefront measurement accuracy in absolute mode (rms)1 ~ λ/100
Wavefront measurement accuracy in relative mode (rms)2 ~ λ/150
Tilt measurement sensitivity (rms) 6 µrad
Focus measurement sensitivity (rms) 5x10-3 m-1
Spatial resolution ~ 110 μm
Maximum acquisition frequency 905 Hz
Processing frequency 800 Hz
Working wavelength 350-1100 nm
Calibrated wavelength range On request
Extended calibrated wavelength range On request
Dimenions 115 x 51 x 60 mm / 400 g
Working temperature 15 – 30°
Power supply 12 V / 6 W
Interface CamLink
1) Difference between the real wavefront and a reference wavefront obtained in similar conditions (10 λ of shift maximum).
2) Wavefront as seen by the wavefront sensor. Performance kept on the whole spectral range.
 
Companion software
 

HASOv3, delivered with all HASO sensors and available as an SDK, lets you get the most out of your wavefront sensor with wide-ranging functionalities. Click here to learn more.

Stitchwave is a unique software that complements HASOv3's move & measure option to enable you to characterize large surfaces. Click here to learn more.

 

Key HASO family features
 

Phase & intensity simultaneously and independently – Our patented sensor design enables you to measure both phase and intensity simultaneously and independently, in real time.

Absolute measurement Our proprietary calibration technology and meticulous quality controls protocols eliminate the need for a reference beam and allow you to perform true absolute measurement.

Dynamic Spot Tracking™, Auto Spot Finder™ & Rotated Square™ technology combined with the quality of our refractive microlens arrays provide superior accuracy and eliminate crossing spots, without comprising dynamic range.

 

Documentation
 

PDFProduct brochure - click the PDF icon to download.

 

Application notes
 

PDFTrue absolute measurement - This document talks about absolute measurement, what it is and how you can test your current wavefront sensor to see if it is capable. Click here to read the note.

 
 

PDFUsing your HASO with a beam profiler - In this application note, we discuss the utility and limitations of beam profilers and why HASO is the ideal complement. Click here to read the note.

 
 

PDFAdaptive optics for high-power lasers and the next generation of optical fuses - In this application note, we discuss how adaptive optics is currently used in high-power lasers and its future applications. Click here to read the note.

 
 

PDFAdaptive optics for high-power femtosecond lasers - In this application note, we discuss how we worked with the Max Plank Institute to implement an adaptive-optics closed-loop system into their femtosecond laser. Click here to read the note.

 
 
 
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