Shark-Hartnamm Wavefront Sensor
Shack-Hartmann wavefront sensor is designed to measure wavefront light beam parameters.
Specification:
- Range of phase measurement - up to 15μ
- Accuracy of measurements - λ/100 (RMS)
- Input light beam diameter - 4...100 mm and more
- Number of working sub-apertures: from 400
- Working Wavelength Range: 400nm – 1100nm
- Acquisition Frequency / Frame Rate: up to 60 Hz
- Pulsed & CW laser beam diagnostic
Some available models:
WFS-11.26-3.2-0.136 (Click to show details)
WFS-11.26-3.2-0.136 (Click to hide details)
- Aperture diameter - 11.26 mm
- Number of work sub apertures - 4800
- Focal length of micro lens - 3.2 mm
- Spatial resolution - 136 μ
- Dynamic range (tilt)* - 185 μ
- Dynamic range (defocus)* - 45 μ
- Absolute accuracy RMS - 10 nm
- Relative accuracy RMS - 2 nm
- Repetability - 0.9 nm
- Minimal radius of curvature* - 340 mm
- ROC measurement accuracy - 0.4 mm
- Curvature measurement sensitivity - 250 m
*at λ = 650 nm
WFS-7.03-3.2-0.136 (Click to show details)
WFS-7.03-3.2-0.136 (Click to hide details)
- Aperture diameter - 7.03 mm
- Number of work sub apertures - 1870
- Focal length of micro lens - 3.2 mm
- Spatial resolution - 136 μ
- Dynamic range* - 115 μ
- Accuracy RMS - 12 nm
- Minimal radius of curvature* - 210 mm
- ROC measurement accuracy - 0.4 mm
- Curvature measurement sensitivity - 90 m
*at λ = 650 nm
WFS-4.91-3.2-0.136 (Click to show details)
WFS-4.91-3.2-0.136 (Click to hide details)
- Aperture diameter - 4.91 mm
- Number of work sub apertures - 910
- Focal length of micro lens - 3.2 mm
- Spatial resolution - 136 μ
- Dynamic range* - 80 μ
- Accuracy RMS - 10 nm
- Minimal radius of curvature* - 150 mm
- ROC measurement accuracy - 0.5 mm
- Curvature measurement sensitivity - 45 m
*at λ = 650 nm
The hardware includes:
- Lenslet array
- Monochrome CCD/CMOS camera (IEEE 1394)
- IEEE 1394 Cable (6pin-6pin)
Optionally: - Resizing lens or telescopic system
- Neutral density optical Filters in holder
- Source of reference wavefront (collimator, fiber-coupled laser for one wavelength, holder)
The software includes:
- Wavefront Reconstruction for Circular pupil or Polygonal Mask
- Measurement of P-V
- Definition of RMS
- Expansion of aberrations to Seidel and Zernike polynomials (tilts, defocus, astigmatisms, etc.)
- Fringe Representation, 2D & 3D Wavefront
- Reconstruction of intensity distribution
- Estimation of the Beam Quality Factor M²; Beam Characterisation Parameters: laser beam diameter, beam waist & location, Beam Divergence
- PSF, MTF
Estimated price of Shack-Hartmann wavefront sensor is € 15.000.
For additional information please contact: kud[@]activeoptics.ru.