Theory and experiments of resonant waveguide gratings under Brewster incidence

DongHo Shin; Zhongshan Liu; Robert Magnusson

doi:10.1117/12.363757

17 September 1999 Theory and experiments of resonant waveguide gratings under Brewster incidence

DongHo Shin, Zhongshan Liu, Robert Magnusson

Proceedings Volume 3778, Gradient Index, Miniature, and Diffractive Optical Systems; (1999) https://doi.org/10.1117/12.363757
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Guided-mode resonance refers to a sharp resonance effect in waveguide gratings where efficient energy exchange between reflected and transmitted waves occurs in a small parameter (wavelength, angle, or refractive index) range. High- efficiency optical reflection filters are obtainable using zero-order waveguide gratings based on this effect. In this paper, a new type of high-contrast (high efficiency and low- sideband) guided-mode resonance reflection filter is studied theoretically and experimentally. Low-reflection sidebands and symmetrical resonance lineshapes are achieved by incorporating thin-film Brewster effects for a TM-polarized incident wave. Experimental results verifying the feasibility of this concept are presented.

Citation Download Citation

DongHo Shin, Zhongshan Liu, and Robert Magnusson "Theory and experiments of resonant waveguide gratings under Brewster incidence", Proc. SPIE 3778, Gradient Index, Miniature, and Diffractive Optical Systems, (17 September 1999); https://doi.org/10.1117/12.363757

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