Flexible Mirrors For Imaging Radiated Energy From Rotating Components

P. Waddell; T. Raptodimos; W. King; D. Warren

doi:10.1117/12.943483

1 June 1988 Flexible Mirrors For Imaging Radiated Energy From Rotating Components

P. Waddell, T. Raptodimos, W. King, D. Warren

Proceedings Volume 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light; (1988) https://doi.org/10.1117/12.943483
Event: 1987 Symposium on the Technologies for Optoelectronics, 1987, Cannes, France

Abstract

The interferometric testing of a stretchable, variable focus, concave imaging mirror is described. The mirror is a very thin plastic membrane, with a metallised mirror finish on the front surface. The mirror curvature is determined by either the strength of a vacuum applied to the rear surface of the membrane, or by a pressure applied to the front surface. High resolution images have been obtained from observed components. The mirrors have been used in conjunction with an all reflective surfaced image derotator, in order to render visible on stationary sheets of cholesteric liquid crystals, the radiated heat patterns from high speed rotating components.

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P. Waddell, T. Raptodimos, W. King, and D. Warren "Flexible Mirrors For Imaging Radiated Energy From Rotating Components", Proc. SPIE 0863, Industrial Optoelectronic Measurement Systems Using Coherent Light, (1 June 1988); https://doi.org/10.1117/12.943483

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KEYWORDS

Mirrors

Interferometers

Liquid crystals

Beam splitters

Prisms

Reflectivity

Image resolution

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