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HASO™ NIR Shack-Hartmann wavefront sensors
 
  HASO-NIROur HASO NIR Shack-Hartmann wavefront sensor is the ideal tool for customers working in the near infrared spectrum (1500 - 1600 nm).  Exceptionally easy to integrate, they 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, unequalled accuracy and insensitivity to vibration at speeds up to 60 Hz.

HASO NIR is the ideal tool for fiber coupling and, more generally, for aligning and characterizing optical systems in the NIR (afocal, collimators, lenses, zoom, etc.). HASO NIR 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.

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

Aperture dimension 3.6 x 4.6 mm²
Number of microlenses 32 x 40
Tilt dynamic range > ± 3°
Focus dynamic range1 ± 0,012 m to ± ∞
Maximum operating aperture (half angle sinα) 0.17 (max)
Repeatability (rms) ∼ λ/70
Wavefront measurement accuracy in absolute mode (rms)2 ∼ λ/35
Wavefront measurement accuracy in relative mode (rms)3 ∼ λ/50
Tilt measurement sensitivity (rms) 15 μrad
Focus measurement sensitivity (rms) 15.10-3 m-1
Spatial resolution ~ 115 μm
Maximum acquisition frequency 60 Hz
Working wavelength range 1500 – 1600nm
Working temperature 15 – 30° C / 5 – 45° C
Dimensions / weight 30 x 35 x 54 mm / 150 g
Power supply 12 V / 2 W
Interface Firewire
All specifications given with an average operating mode of 10 acquisitions. (1) Central wavelength: 120 λ. (2) Wavefront directly measurement by the wavefront sensor (no added lens). (3) Difference between a referenced wavefront and the measured wavefront, in a range < 10 λ.

recycleImagine Optic is committed to environmental responsability. Please click here for information about proper disposal and/or recycling of HASO products.

 
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.

 
  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.  
 
 
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