标题: Near-infrared sensitive photorefractive device using polymer dispersed liquid crystal and BSO: Ru hybrid structure
作者: Liu, Ren Chung
Marinova, Vera
Lin, Shiuan Huei
Chen, Ming-Syuan
Lin, Yi-Hsin
Hsu, Ken Yuh
電子物理學系
光電工程學系
Department of Electrophysics
Department of Photonics
公开日期: 1-六月-2014
摘要: A near-infrared sensitive hybrid device, based on a Ru-doped BSO photorefractive substrate and polymer dispersed liquid crystal (PDLC) layer, is reported. It is found that the photoexcited charge carriers generated in the BSO: Ru substrate create an optically induced space charge field, sufficient to penetrate into the PDLC layer and to re-orient the LC molecules inside the droplets. Beam-coupling measurements at the Bragg regime are performed showing prospective amplification values and high spatial resolution. The proposed structure does not require indium tin oxide (ITO) contacts and alignment layers. Such a device allows all the processes to be controlled by light, thus opening further potential for real-time image processing at the near-infrared range. (C) 2014 Optical Society of America
URI: http://dx.doi.org/10.1364/OL.39.003320
http://hdl.handle.net/11536/24705
ISSN: 0146-9592
DOI: 10.1364/OL.39.003320
期刊: OPTICS LETTERS
Volume: 39
Issue: 11
起始页: 3320
结束页: 3323
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