Shack-Hartmann vs. Interferometer
Optical Metrology & Wavefront Sensing Shack-Hartmann vs. Interferometer: Which Wavefront Measurement Tool Fits Your Metrology? Both instruments answer the same […]
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Optical Metrology
Wavefront Sensing and Interferometry: Comparing Approaches to Optical Surface MeasurementÂ
An interferometer is a phase-sensitive optical instrument that converts differences in optical path length (OPL) into measurable intensity variations through
Aligning Optics with a wavefront sensor: the off axis parabola exampleÂ
A Shack Hartmann wavefront sensor (SHWFS) is one of the most powerful tools for diagnosing and fixing optical alignment because
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Multi-Wavelength optical metrology with A Supercontinuum laser
Multi-Wavelength Optical Metrology with a Supercontinuum Laser, the HASO RFLEX – SAMBA Combo In this technical blog we describe how
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A double-sided optical metrology procedure for full thin plane parallel optics, such as glass wafers
Parallel optics can be challenging to characterize with classical fizeau interferometers. As a matter of fact, when both rear and
Optical Alignment of an Adaptive Optics System Using a HASO Wavefront Sensor
Written by Christoph Baranec – University of Hawaii We at the University of Hawaii are in the process of building
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Brief History of Shack-Hartmann Wavefront Sensing
Examining how light is transmitted through lenses and reflected by surfaces can reveal defects. This guide will explain how important wavefront sensing is.
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Optical alignment using the radius of curvature measurement from HASO4 sensor
Optical alignment using the radius of curvature measurement from HASO4 sensor Why do we use the radius of curvature for
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