HASO4 FIRST Low Cost Wavefront Sensor
HASO4 FIRST Low Cost Wavefront Sensor
HASO4-FIRST-wavefront-senor-image-IO-0823-3-100x100
Screenshot Waveview4 - wavefront measurement
HASO4 FIRST Low Cost Wavefront Sensor side
HASO4 FIRST Low Cost Wavefront Sensor
HASO4-FIRST-wavefront-senor-image-IO-0823-3-100x100
Screenshot Waveview4 - wavefront measurement
HASO4 FIRST Low Cost Wavefront Sensor side
HASO4 FIRST Low Cost Wavefront Sensor
HASO4-FIRST-wavefront-senor-image-IO-0823-3-100x100
Screenshot Waveview4 - wavefront measurement
HASO4 FIRST Low Cost Wavefront Sensor side

HASO4 First I Low Cost Wavefront Sensor

Spectral Bandwidth

400-1100 nm - 𝛌±50nm

Aperture - Resolution -Spatial Sampling

3.6 x 4.5 mm² - 32 x 40 - 110 µm

Accuracy (rms) - Linearity

𝛌/100 - 99.9%

Focus dynamic range

± 0.018 m to ± ∞

Repeatability (rms)

< λ/200

Maximum acquisition rate

99Hz or 165 Hz (16x20)

HASO4 FIRST: Highly Accurate and Affordable Wavefront Sensor

The HASO4 FIRST is a high performance mono-wavelength calibrated wavefront sensor. This low cost wavefront sensor delivers reliable and fast measurement at the wavelength of your choice between 400-1100nm. Indeed, this Shack-Hartmann wavefront sensor’s accuracy is 𝛌/100 RMS and it can acquire wavefront data at up to 99 Hz (or in high-speed mode at 165 Hz), making it suitable for real-time applications.

Wavefront measured with waveview. Transmitted wavefront of ski goggles

This low cost wavefront sensor is a top choice for adaptive optics applications for microscopy or UHIL. It is also a great option for OEM applications in optical metrology and beam diagnostics. Either way, HASO4 FIRST offers reliable wavefront metrology for a large range of applications including fundamental research, prototype development or quality control in production.

  • λ/100 rms absolute accuracy on a huge dynamic range (see the graph below)
  • Acquisition rate up to 99Hz or 165Hz
  • Patented wavefront correction algorithms for intensity beam variations (laser, Gaussian, hyper Gaussian, apodized beams…)
  • Measurement up to 64 Zernike polynomials with individual accuracy better than 2nm rms
  • Custom calibrations for one (included) or two (option) specific wavelengths in the 400- 1100nm range

HASO4 FIRST dynamic range on a 3.6mm diameter pupil with 10mm accuracy - low cost wavefront sensor

Transform your wavefront sensor into a full metrology solution with RFLEX2 & RFLEX LA

RFLEX2

The R-FLEX2 is a versatile optical metrology system that instantly combines any HASO4 wavefront sensors with a collimator and a light source. It is used for quality control of complex optical systems such as life science instrumentation, alignment of large telescopes and collimators, large concave mirrors, and lenses and complex optical systems in general.

Learn more about the R-FLEX2

RFLEX LA

The RFLEX LA is a collimating platform that extends the capabilities of the HASO R-FLEX2 to large optics and optical surfaces. The output collimated beam size ranges from 30 to 150 mm. Analyze large optics and optical surfaces such as filters, dichroic beam splitters, head-up displays, eyewear, optical windows, flat mirrors, polarization scramblers.

Learn more about the R-FLEX2 LA

optical setups RFLEX2 and RFLEX LA - how to use the HASO4 first low cost wavefront sensor for large optics characterization

Manufacturer’s website: www.imagine-optic.com

For more wavefront sensor options click here

HASO4 FIRST: Highly accurate and affordable wavefront sensor

The HASO4 FIRST is a high performance mono-wavelength calibrated wavefront sensor. This low cost wavefront sensor delivers reliable and fast measurement at the wavelength of your choice between 400-1100nm. Indeed, this Shack-Hartmann wavefront sensor accuracy is 𝛌/100 RMS and it can acquire wavefront data at up to 99 Hz (or in high-speed mode at 165 Hz), making it suitable for real-time applications.

Wavefront measured with waveview. Transmitted wavefront of ski goggles

This low cost wavefront sensor is a top choice for adaptive optics applications for microscopy or UHIL. It is also very relevant option for OEM applications in optical metrology and beam diagnostics. Either way, HASO4 FIRST offers reliable wavefront metrology for a large range of applications including fundamental research, prototype development or quality control in production.

  • λ/100 rms absolute accuracy on a huge dynamic range (see the graph below)
  • Acquisition rate up to 99Hz or 165Hz
  • Patented wavefront correction algorithms for intensity beam variations (laser, Gaussian, hyper Gaussian, apodized beams…)
  • Measurement up to 64 Zernike polynomials with individual accuracy better than 2nm rms
  • Custom calibrations for one (included) or two (option) specific wavelengths in the 400- 1100nm range

HASO4 FIRST dynamic range on a 3.6mm diameter pupil with 10mm accuracy - low cost wavefront sensor

Waveview4: the most advanced wavefront measurement and analysis software

WaveView4 offers more than 150 features and tools optimized for a wide range of highly demanding applications. Its development philosophy is based on tens of years of customer’s feedback, improving the user experience with each version. Moreover, this software provides a function to analyze segmented wavefronts and allows autosave for sequence measurements. Modules dedicated to PSF, MTF, and M2 are available.

WaveKit is SDK in C/C++, LabVIEW and Python, providing the basic blocks on which one can build a fully customized software for specific HASO-based applications or WaveView4 data processing routines. It is available on request.

Waveview4 screenshot measuring a wavefront with the HASO4 first low cost wavefront sensor

The HASO4 FIRST can be associated with our adaptive optics software WaveTune and any of our deformable mirror available here.

Transform your wavefront sensor into a full metrology solution with RFLEX2 & RFLEX LA

  • RFLEX2

The R-FLEX2 is a versatile optical metrology system that instantly combines any of our HASO4 wavefront sensors with a collimator and a light source. It is currently used for quality control of complex optical systems such as life science instrumentation, alignment of large telescopes and collimators, large concave mirrors, and lenses and complex optical systems in general.

Learn more about the R-FLEX2

  • RFLEX LA

The RFLEX LA is a collimating platform that extends the capabilities of the HASO R-FLEX2 to large optics and optical surfaces. The output collimated beam size ranges from 30 to 150 mm. Analyze large optics and optical surfaces such as filters, dichroic beam splitters, head-up displays, eyewear, optical windows, flat mirrors, polarization scramblers.

Learn more about the R-FLEX2 LA

optical setups RFLEX2 and RFLEX LA - how to use the HASO4 first low cost wavefront sensor for large optics characterization

Contact us for if you have any question about this low cost wavefront sensor!

Manufacturer’s website: www.imagine-optic.com

For more wavefront sensor options click here

Description Full Resolution High Speed*
Aperture Dimension 3.6 x 4.6 mm² 1.8 x 2.3 mm²
Number of microlenses 32 x 40 16 x 20
Tilt dynamic range > ± 3 ° (400 λ) > ± 3° (200 λ)
 Focus dynamic range ± 0.018 m to ± ∞ (350 λ) ± 0.018 m to ± ∞ (100 λ)
 Focus dynamic range – maximum NA 0.1 0.1
Repeatability (rms) < λ/200 < λ/200
Wavefront measurement accuracy in relative mode (rms)1 around λ/150 around λ/150
Wavefront measurement accuracy in absolute mode (rms)² around λ/100 around λ/100
Tilt measurement sensitivity (rms) 5 μrad 10 μrad
Focus measurement sensitivity (rms) 3·10-3m-1 6·10-3m-1
 Spatial sampling around 110 μm around 110 μm
 Maximum acquisition frequency 99 Hz 165 Hz
Working wavelength range 400 – 1100 nm 400 – 1100 nm
External trigger yes yes
Calibrated wavelength in the 400-1100 nm range, details on request3 in the 400-1100 nm range, details on request3
Dimensions / Weight 46x 57 x 57 mm /150g 46x 57 x 57 mm /150g
Working temperature 15 – 30° C 15 – 30° C
Interface / Power supply USB 3.0 / 2.7 W via USB/td> USB 3.0 / 2.7 W via USB
 Operating system  Windows 7 and 10 Windows 7 and 10

WaveView metrology software is included

(1) Wavefront as seen by the device.

(2) Difference between the real wavefront and a reference wavefront obtained in similar conditions (5λ of shift max).

(3) Single wavelength calibration (±50 nm), second wavelength calibration available on request.

*This option is sold separately and not available for some countries.

 

Application: outstanding performance examples with HASO4 wavefront sensors

  • Beam collimation with an accuracy better than 200m radius of curvature
  • A 20mm focal length measurement with a sensitivity of 1µm rms
  • Direct wavefront acquisition of converging and diverging F/5 beams with an accuracy of λ/100 rms including astigmatism and high order aberrations
  • Control and adjustment of axial laser beam deviation better than 5µrad rms
  • 3D localization of a focal spot up to 0.1µm rms and 1µm rms for lateral and axial resolution respectively (0.1 NA beam)

Optical Metrology

Laser 

X-EUV

 

Calibration Bandwidth (nm)

400-1100
Aperature Size (mm²)

3.6 x 4.6 mm²
Resolution (Phase Sampling Points)

1280 or 32×40
Speed

99 Hz
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