Polarization of beams diffracted from superimposed gratings

Chien-Wei Han; Tae-Jin Kim; Eugene Warren Campbell; Raymond K. Kostuk; Kun-Yii Tu

doi:10.1117/12.178079

17 June 1994 Polarization of beams diffracted from superimposed gratings

Chien-Wei Han, Tae-Jin Kim, Eugene Warren Campbell, Raymond K. Kostuk, Kun-Yii Tu

Proceedings Volume 2152, Diffractive and Holographic Optics Technology; (1994) https://doi.org/10.1117/12.178079
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The rigorous coupled-wave model is used to determine the polarization of diffracted waves from two superimposed volume gratings with their grating vectors in the same plane. The phase relations used in computing the phase shift of diffracted beams are derived. The relative phase difference between orthogonal components of the + 1 diffracted order is computed for a single grating and two superimposed gratings. The level of induced ellipticity in polarization is greater for light diffracted from a multiplexed grating than from a single grating. Experimental and theoretical results show that the phase shift of a beam diffracted from two superimposed gratings has both positive and negative values.

Citation Download Citation

Chien-Wei Han, Tae-Jin Kim, Eugene Warren Campbell, Raymond K. Kostuk, and Kun-Yii Tu "Polarization of beams diffracted from superimposed gratings", Proc. SPIE 2152, Diffractive and Holographic Optics Technology, (17 June 1994); https://doi.org/10.1117/12.178079

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