1 January 1993 Constant deviation reflector formed from an array of microlenses
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Proceedings Volume 1801, 20th International Congress on High Speed Photography and Photonics; (1993); doi: 10.1117/12.145734
Event: 20th International Congress on High Speed Photography and Photonics, 1992, Victoria, BC, Canada
Abstract
A novel form of reflector, incorporating an array of microlenses, is described. Incident illumination is reflected through an angle of deviation that is nominally independent of the angle of incidence. The reflector performs a function that is similar to a retroreflector, but differs in that the angle of deviation is other than 180 degree(s). This dispenses with the need to use a beamsplitter to extract the reflected wavefront. The consequent reduction in light loss is of benefit to high speed and other forms of photography.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard F. Stevens, "Constant deviation reflector formed from an array of microlenses", Proc. SPIE 1801, 20th International Congress on High Speed Photography and Photonics, (1 January 1993); doi: 10.1117/12.145734; https://doi.org/10.1117/12.145734
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KEYWORDS
Reflectors

Microlens

Microlens array

Beam splitters

High speed photography

Reflection

Retroreflectors

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