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Proceedings Paper

Fabrication and testing of a GaP SIL with NA=2.64
Author(s): Jun Zhang; Matt Lang; Tom D. Milster; Tao Chen; Eric Aspnes; Bernard Bell
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Paper Abstract

A solid immersion lens (SIL) is described with NA = 2.64 that is fabricated from a two-step process using a large BK7 glass hemisphere and a small GaP hemisphere. The Gallium Phosphide (GaP) hemisphere has a radius 114μm, and is cemented in the center of BK7 SIL with index-matching epoxy. The BK7 SIL thickness is accommodated to have both BK7 SIL and GaP SIL in an image centric configuration. The two-step GaP SIL is tested on an induced polarization imaging system. Induced polarization pupil images, the native polarization image and induced polarization image of a DVD RW sample are given in this paper.

Paper Details

Date Published: 11 July 2007
PDF: 4 pages
Proc. SPIE 6620, Optical Data Storage 2007, 66201Z (11 July 2007); doi: 10.1117/12.738940
Show Author Affiliations
Jun Zhang, College of Optical Sciences, The Univ. of Arizona (United States)
Matt Lang, College of Optical Sciences, The Univ. of Arizona (United States)
Tom D. Milster, College of Optical Sciences, The Univ. of Arizona (United States)
Tao Chen, College of Optical Sciences, The Univ. of Arizona (United States)
Eric Aspnes, College of Optical Sciences, The Univ. of Arizona (United States)
Bernard Bell, InPhase Technologies (United States)


Published in SPIE Proceedings Vol. 6620:
Optical Data Storage 2007

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