6 June 1995 Resonance phenomena in grating/waveguide structures
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Proceedings Volume 2426, 9th Meeting on Optical Engineering in Israel; (1995) https://doi.org/10.1117/12.211220
Event: Optical Engineering in Israel: 9th Meeting, 1994, Tel-Aviv, Israel
Abstract
An optical resonance phenomena, based on an interference effect that occurs when a plane wave is incident on a dielectric grating/waveguide structure, is presented. The incident wave excites a guided mode in the waveguide which in turn is partially diffracted by the grating in the direction of the transmitted zero order beam, interfering destructively. As a result most of the light energy is contained in the reflected zero order beam. This resonance phenomena is explained with a ray picture of the multiple interference and analyzed by solving Maxwell's equations for the exact eigenfunctions in a grating/waveguide structure. Some basic structures have been fabricated and experimentally tested. The results reveal that the resonance beamwidth and bandwidth depend strongly on the parameters of the grating/waveguide structure. Measurements indicate that the bandwidth of the resonances can be as narrow as 1 nm, with a corresponding angular beamwidth on the order of minutes of arc.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
A. Sharon, A. Sharon, David J. Rosenblatt, David J. Rosenblatt, Asher A. Friesem, Asher A. Friesem, Hans-Georg Weber, Hans-Georg Weber, Herbert Engel, Herbert Engel, Ralf Steingrueber, Ralf Steingrueber, } "Resonance phenomena in grating/waveguide structures", Proc. SPIE 2426, 9th Meeting on Optical Engineering in Israel, (6 June 1995); doi: 10.1117/12.211220; https://doi.org/10.1117/12.211220
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