Modifications of holographic diffractive doublets for collimation of highly elliptical outgoing beams from edge emitting diode lasers

0304043 - URE-Y 20020048 CZ eng A - Abstract
Pala, Jan - Miler, Miroslav - Aubrecht, Ivo
Modifications of holographic diffractive doublets for collimation of highly elliptical outgoing beams from edge emitting diode lasers.
Praha: TECHMARKET, 2002. ISBN 80-86114-46-5. Photonics Prague 2002. Technical Programme & Abstract Booklet. - (Tománek, P.). s. 160
[Photonics Prague'2002 /4./. 26.05.2002-29.05.2002, Prague]
R&D Projects: GA ČR GA102/01/0429
Institutional research plan: CEZ:AV0Z2067918
Keywords : optical collimators * holographic optical elements * semiconductor lasers
Subject RIV: JA - Electronics ; Optoelectronics, Electrical Engineering

The first holographic diffractive doublets converts an impinging astigmatic divergent beam into a cylindrical divergent beam, and the second element transforms the cylindrical beam into a collimated beam. In contrast to previous concept of the doublet with perpendicular input and output, another non-parallel scheme is considered. A strongly off-axis holographic set-up is used for recording of diffractive elements in photoresist layers deposited on glass substrates.
Permanent Link: http://hdl.handle.net/11104/0114187