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HASO™3 32, 42, 76-GE, 128-GE Shack-Hartmann wavefront sensors
 
  Imagine Optic’s HASO3 family of wavefront sensors offer professionals unsurpassed quality, precision and ease of use. Key features include:
  • high-resolution - from 1280-16384 measurement points
  • independent and simultaneous measurement of both phase & intensity
  • true absolute measurement
  • unbeatable accuracy and dynamic range

GEHASO3 is the most recent evolution of our award winning HASO product line.  Based on our patented Shack-Hartmann technology, HASO3 wavefront sensors are easy to integrate and provide fast, accurate and reliable measurements by taking advantage of the HASO family's standard functionalities that customers have come to rely on, including absolute measurement, wide dynamic range, unequalled accuracy and insensitivity to vibration.

For customers performing laser and optical metrology, your HASO3 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 on our HASO3 wavefront sensors, please call +33 (0)1 64 86 15 60 or e-mail us by clicking here.

  HASO3 32 HASO3 42 HASO3 76-GE HASO3 128-GE
Aperture dimension 4.9 x 6.1 mm² 4.8 x 5.9 mm² 8.7 x 11.4 mm² 14.6 x 14.6 mm²
Number of microlenses 32 x 40 42 x 52 76 x 100 128 x 128
Refractive microlens technology standard square Rotated square standard square
Tilt dynamic range >±3° (520λ) >±3°(1100λ) >±3°(1500λ)
Focus dynamic range - minimum
local radius of curvature
20 mm 15mm
Focus dynamic range-maximum NA >0.1
Repeatability (rms) < λ/200
Wavefront measurement accuracy
in relative mode (rms)1
λ/150
Wavefront measurement accuracy
in absolute mode (rms)2
λ/100
Tilt measurement sensitivity (rms) 3 µrad 1 µrad <1 µrad
Focus measurement sensitivity (rms) 10-3 m-1 5.10-4 m-1 2.5.10-4 m-1
Spatial resolution ~160 µm ~115 µm
Maximum acquisition frequency 50 Hz 11 Hz 7.5 Hz
Processing frequency (CPU 3Ghz, 512 Mb RAM) 20 Hz 10 Hz 5 Hz
Working wavelength range 350 - 1100 nm
Calibrated wavelength range 400- 600 nm, 500 - 700 nm, 630 - 900 nm, 800 - 1100 nm
Extended wavelength range see 76-GE/128-GE not available 400-700 nm, 500-900 nm, 650-1100 nm
Working temperature 15 - 30° C
Dimension / weight 75 x 62 x 68 mm / 510 g 115 x 51 x 60 mm / 400 g
Power supply 12 V / 6 W
Interface FireWire Giga Ethernet
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.

 
 

PDFAdaptive optics for microscopy in life sciences - This page shows examples of how are customers are using our adaptive optics products to acheive remarkable results in bioimaging. 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.

 
  PDFQuality control of NIR optics with HASO - In this application note, we discuss how we worked with B.E.A. to meet their needs for quality control of mouled NIR optics. Click here to read the note.  
 

PDFCharacterizing a 10" telescope with HASO & LIP - This document explains how we use HASO & LIP to characterize the simple, yet wide-diameter, optical system of a 10" Schmidt-Cassegrain telescope. Click here to read the note.

 
 
 
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