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Proceedings Paper

Electromagnetic optimization of wideband spectrograph gratings
Author(s): Juha Pietarinen; Tuomas Vallius
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Paper Abstract

Electromagnetic optimization is applied to four level surface relief gratings to obtain high diffraction effciencies over wide spectral ranges. The results are compared with the classical designs and proved superior. Significant improvements in the diffraction efficiency or independence of the incident wavelength can be obtained.

Paper Details

Date Published: 20 January 2006
PDF: 7 pages
Proc. SPIE 6027, ICO20: Optical Information Processing, 60273O (20 January 2006); doi: 10.1117/12.668339
Show Author Affiliations
Juha Pietarinen, Univ. of Joensuu (Finland)
Tuomas Vallius, Univ. of Joensuu (Finland)

Published in SPIE Proceedings Vol. 6027:
ICO20: Optical Information Processing
Yunlong Sheng; Songlin Zhuang; Yimo Zhang, Editor(s)

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