Field guide to interferometric optical testing

✍ Scribed by Goodwin, Eric P.; Wyant, James C

• Publisher: SPIE
• Year: 2006
• Tongue: English
• Leaves: 117
• Series: SPIE field guides FG10
• Category: Library

✦ Synopsis

A distillation of Dr. Wyant's course at University of Arizona, this Field Guide covers the key fundamentals of interferometry, types of interferometers and interferograms, concepts of phase-shifting interferometry, long-wavelength interferometry, testing of aspheric surfaces, measurement of surface microstructure, flat and curved surface testing, and absolute measurements.

Contents

- Glossary
- Fundamentals of Interferometry
- Interferometers
- Interferograms
- Phase-Shifting Interferometry
- Surface Microstructure
- Flat Surface Testing
- Curved Space Testing
- Absolute Measurements
- Asphere Testing
- Appendices
- Equation Summary
- Bibliography
- Index

✦ Table of Contents

Content: Glossary --
Fundamentals of interferometry --
Two-beam interference equation --
Basic concepts and definitions --
Conditions for obtaining fringes --
Visibility --
Spatial coherence --
Polarization --
Beamsplitters --
Plate and pellicle beamsplitters --
The interferometer --
Classic Fizeau interferograms --
Newton's rings --
Twyman-Green interferometer --
Compensating plate --
PBS-based Twyman-Green interferometer --
Laser-based Fizeau --
Mach-Zehnder interferometer --
Beam testing --
Lateral shear interferometry --
Rotating grating LSI --
Radial shear interferometer --
Interferograms --
Wavefront aberration coefficients --
Zernike polynomials --
RMS wavefront error --
Spherical aberration interferograms --
Astigmatism interferograms --
Interferograms-other aberrations --
Moiré --
Moiré and interferograms --
Phase-shifting interferometry --
Direct phase measurement --
Methods for phase shifting --
Continuous phase shifting --
Liquid crystal retarder --
Phase shifting algorithms --
Basic phase Unwrapping --
Phase-stepping vs. phase-ramping --
Errors in PSI --
Quantization errors --
Incorrect phase shift --
Avoiding vibrations --
Spatial synchronous and Fourier methods --
Spatial carrier interferometry --
Ground glass --
Surface microstructure --
Nomarski interference microscope --
Fringes of equal chromatic order (FECO) --
Phase-shifting interference microscope --
Multiple-wavelength interferometer. Vertical scanning techniques --
Flat surface testing --
Mirrors : continued --
Windows : continued --
Prisms --
Corner cubes --
Curved surface testing --
Testing curved surfaces-test plate --
Curved surfaces : Twyman-Green --
Curved surfaces : laser-based Fizeau --
Testing lenses or lens systems --
Shack cube interferometer --
Scatterplate interferometer --
Phase-shifting scatterplate interferometer --
Long-wavelength interferometry --
Smartt point diffraction interferometer --
Phase shifting a PDI --
Sommargren diffraction interferometer --
Curved surfaces, VSWLI --
Absolute measurements --
Absolute measurements : flats --
Absolute measurements : spheres --
Asphere testing --
Aspheric surfaces --
Aspheric testing --
Hyperboloid null tests --
Offner null --
Holographic null optics --
CGH basics --
CGH design guidelines --
Non-null tests --
Reverse raytracing --
Sub-Nyquist interferometry --
Long-wavelength interferometry --
Appendices --
Non-Interferometric testing --
Foucault (knife-edge) test --
Ronchi test --
Equation summary --
Bibliography --
Index.