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Proceedings Paper

Optical and mechanical design considerations in the construction of a 24-in. phase-shifting interferometer
Author(s): Joseph A. Lamb; James Semrad; James C. Wyant; Chiayu Ai; Robert E. Knowlden; Erik Novak; John Downie; Robert Wolfe
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Paper Abstract

WYKO Corporation is currently designing and manufacturing specialized phase shifting interferometers to aid in the qualification of large optics for the U.S. NIF program. The interferometers will be used to qualify homogeneity of raw material and provide in-process inspection information and final inspection qualification data. The 24' systems will be the largest commercially available Fizeau phase shifting interferometers ever manufactured. Systems will be produced using traditional CCD cameras as well as megapixel CCD camera for applications requiring higher lateral resolution. Mechanical and optical design considerations include vibration and distortion control of critical optical elements, polarization control of the laser source, imaging system design, and optical transfer function optimization. We also address effects in the test cavity arising from measuring transmitted and reflected wavefronts of optics mounted at Brewster's angle.

Paper Details

Date Published: 8 December 1997
PDF: 12 pages
Proc. SPIE 3047, Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference, (8 December 1997); doi: 10.1117/12.294328
Show Author Affiliations
Joseph A. Lamb, WYKO Corp. (United States)
James Semrad, WYKO Corp. (United States)
James C. Wyant, WYKO Corp. (United States)
Chiayu Ai, WYKO Corp. (United States)
Robert E. Knowlden, WYKO Corp. (United States)
Erik Novak, WYKO Corp. (United States)
John Downie, WYKO Corp. (United States)
Robert Wolfe, WYKO Corp. (United States)


Published in SPIE Proceedings Vol. 3047:
Solid State Lasers for Application to Inertial Confinement Fusion: Second Annual International Conference
Michel L. Andre, Editor(s)

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