A polarization-independent and low scattering transmission grating for a distributed feedback cavity based on holographic polymer dispersed liquid crystal

	A polarization-independent and low scattering transmission grating for a distributed feedback cavity based on holographic polymer dispersed liquid crystal
其他题名	论文其他题名
	Huang W. B.; Deng S. P.; Li W. C.; Peng Z. H.; Liu Y. G.; Hu L. F.; Xuan L.
	2011
发表期刊	Journal of Optics
ISSN	2040-8978
卷号	13 期号:8
摘要	By using acrylate monomers and increasing the fabricating temperature to the nematic-isotropic transition point of liquid crystal, a polarization-independent holographic polymer dispersed liquid crystal (HPDLC) transmission grating is demonstrated, which is different from the conventional anisotropic grating forms at room temperature. Also, about 25% more liquid crystal is phase separated out to form the pure liquid crystal layer and the scattering loss of the Bragg diffraction grating is reduced from 8% to 4%. These results are explained by means of optical measurements. The randomly aligned liquid crystal (LC) molecules in the pure LC layer of the transmission grating bring in a much higher refractive index contrast for photons of specific frequency propagating along the grating vector, which results in a much more effective light feedback effect. Experimental results of this transmission grating as a distributed feedback laser show a lasing output with a full width at half maximum (FWHM) of about only 0.6 nm and a threshold of 6 mu J/pulse.
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/26088
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Huang W. B.,Deng S. P.,Li W. C.,et al. A polarization-independent and low scattering transmission grating for a distributed feedback cavity based on holographic polymer dispersed liquid crystal[J]. Journal of Optics,2011,13(8).
APA	Huang W. B..,Deng S. P..,Li W. C..,Peng Z. H..,Liu Y. G..,...&Xuan L..(2011).A polarization-independent and low scattering transmission grating for a distributed feedback cavity based on holographic polymer dispersed liquid crystal.Journal of Optics,13(8).
MLA	Huang W. B.,et al."A polarization-independent and low scattering transmission grating for a distributed feedback cavity based on holographic polymer dispersed liquid crystal".Journal of Optics 13.8(2011).

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