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Proceedings Paper

Amplitude and phase apodization caused by focusing light through an evanescent gap in SIL recorders
Author(s): Joshua Sseunhyeun Jo; Tomas D. Milster; James Kevin Erwin
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Paper Abstract

High numerical aperture vector diffraction theory is used to analyze a near field optical system using a solid immersion lens. The amplitude and phase of the transmitted light through the system changes as a function of the air gap height as well as indices of refraction, incident angle, etc. We call these `amplitude apodization' and `phase apodization'. The characteristics of those are done using supergaussian form. The effects of amplitude and phase apodization on irradiance are investigated for various index of refraction and air gap height.

Paper Details

Date Published: 6 July 2000
PDF: 8 pages
Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); doi: 10.1117/12.390500
Show Author Affiliations
Joshua Sseunhyeun Jo, Optical Sciences Ctr./Univ. of Arizona (United States)
Tomas D. Milster, Optical Sciences Ctr./Univ. of Arizona (United States)
James Kevin Erwin, Optical Sciences Ctr./Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 4081:
Optical Storage and Optical Information Processing
Han-Ping D. Shieh; Tomas D. Milster, Editor(s)

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