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Optica, Optics Express, 8(20), p. 9058, 2012

DOI: 10.1364/oe.20.009058

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Spatial angle dependent lasing from a dye-doped two-dimensional hexagonal photonic crystal made of holographic polymer-dispersed liquid crystals

Journal article published in 2012 by D. Luo ORCID, H. T. Dai, H. V. Demir, X. W. Sun ORCID, H. Z. Yang, W. Ji
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The observation of spatial angle dependent lasing from a dye-doped two-dimensional photonic crystal (2D PC) holographic polymer dispersed liquid crystals made of hexagonal lattice structure is reported. With the increasing output angle of the laser beam in the plane perpendicular to the 2D PC, the lasing wavelength is red-shifted. By analyzing the lasing oscillation trace, we found that the effective lattice constant changes with the output angle, causing the spatial angle dependent lasing. (C)2012 Optical Society of America