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Proceedings Paper

Real-Time Interferometer
Author(s): Kenneth D. Stumpf
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Paper Abstract

The fundamental measurement required for proof of quality of an optical system is the shape of its transmitted wavefront. A knowledge of wavefront error and the transmission characteristics of an optical system allow calculation (at the measurement wavelength) of all commonly used quality factors such as optical transfer function, point spread function, Strehl ratio, etc. This paper describes a recently developed shearing interferometer that is designed for general purpose laboratory use. Included is a description of the instrument characteristics and principle of operation as well as a comparison of measured and theoretical accuracy limits.

Paper Details

Date Published: 15 December 1978
PDF: 9 pages
Proc. SPIE 0153, Advances in Optical Metrology I, (15 December 1978); doi: 10.1117/12.938214
Show Author Affiliations
Kenneth D. Stumpf, Itek Corporation (United States)


Published in SPIE Proceedings Vol. 0153:
Advances in Optical Metrology I
N. Balasubramanian; James C. Wyant, Editor(s)

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