Diffraction gratings utilizing total internal reflection facets in Littrow configuration

被引：25
|
作者：
Smith, MSD [1 ]
McGreer, KA
机构：
[1] Telecommun Res Labs, Winnipeg, MB R3Y 1P6, Canada
[2] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1999年 / 11卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
echelles; integrated optics; optical diffraction; optical fiber communications; optical reflection; optical spectroscopy; optical waveguide components; total internal reflection; wavelength-division multiplexing;
D O I：
10.1109/68.736401
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The shape of the grooves of a diffraction grating can be designed to take advantage of total internal reflection, We demonstrate the effectiveness of the total internal reflection (TIR) grating numerically for the bulk optic case, The results indicate that the efficiency of the retrodiffracted order is enhanced by as much as 11 dB when the TIR grating design is used in place of a blazed grating with no facet metallization.
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页码：84 / 86
页数：3
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