All-dielectric reflection gratings: a study of the physical mechanism for achieving high efficiency
- 1 November 2003
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 42 (31), 6255-6260
- https://doi.org/10.1364/ao.42.006255
Abstract
The physical mechanism for the all-dielectric reflection gratings to achieve high efficiency in the -1st-order Littrow mounting is studied. The all-dielectric gratings consist of two parts, a surface-relief grating and a highly reflecting dielectric stack. The surface-relief grating sits on top of the reflecting stack. A simple analytical expression for diffraction efficiency is obtained in terms of the S-matrix elements of the two parts. By analyzing the expression we show that the diffraction can be interpreted as the interference of a symmetric wave and an antisymmetric wave. The conditions for achieving high diffraction efficiency are also identified. The analytical results are illustrated by numerical computations.Keywords
This publication has 9 references indexed in Scilit:
- High-efficiency dielectric reflection gratings: design, fabrication, and analysisApplied Optics, 1999
- Design of high-efficiency dielectric reflection gratingsJournal of the Optical Society of America A, 1997
- Formulation and comparison of two recursive matrix algorithms for modeling layered diffraction gratingsJournal of the Optical Society of America A, 1996
- High-efficiency multilayer dielectric diffraction gratingsOptics Letters, 1995
- Terawatt to Petawatt Subpicosecond LasersScience, 1994
- Diffraction gratings with high optical strength for laser resonatorsQuantum Electronics, 1994
- Compression of amplified chirped optical pulsesOptics Communications, 1985
- Rigorous diffraction theory for transmission phase gratings with deep rectangular groovesJournal of the Optical Society of America, 1978
- Sur Une Propriété de Symétrie des Réseaux DiélectriquesOptica Acta: International Journal of Optics, 1976