期刊
OPTICS EXPRESS
卷 16, 期 23, 页码 18827-18837出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.16.018827
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- Engineering and Physical Sciences Research Council (UK) [EP/D04894X/1]
Band-edge liquid crystal lasers are of interest for a number of applications including laser projection displays. Herein, we demonstrate simultaneous red-green-blue lasing from a single liquid crystal sample by creating a two-dimensional laser array fabricated from dye-doped chiral nematic liquid crystals. By forming a pitch gradient across the cell, and optically pumping the sample using a lenslet array, a polychromatic laser array can be observed consisting simultaneously of red-green-blue colors. Specifically, the two-dimensional polychromatic array could be used to produce a laser-based display, with low speckle and wide color gamut, whereby no complex fabrication procedure is required to generate the individual 'pixels'. (C) 2008 Optical Society of America
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