Fabrication of concave and convex potassium bromide lens arrays by compression molding

A new simple and cost-effective method has been developed for the fabrication of both plano-convex and plano-concave lens arrays with potentially important sag heights. The process is based on the use of potassium bromide (KBr) powder. At ambient temperature and under pressure, KBr powder is compres...

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Bibliographic Details
Published in:Applied optics (2004) 2012-07, Vol.51 (21), p.4936-4944
Main Authors: de la Barrière, Florence, Druart, Guillaume, Guèrineau, Nicolas, Taboury, Jean, Gueugnot, Alain, Huc, Vincent
Format: Article
Language:English
Subjects:
Ambient temperature
Arrays
Compressed
Lenses
Molds
Potassium bromides
Pressure molding
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Summary:A new simple and cost-effective method has been developed for the fabrication of both plano-convex and plano-concave lens arrays with potentially important sag heights. The process is based on the use of potassium bromide (KBr) powder. At ambient temperature and under pressure, KBr powder is compressed on a molding die with the desired shape to form a solid lens array. The quality of the lens arrays has been assessed, and we present the first image produced by a converging KBr lens array.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.51.004936