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New Phenomena in Dye-Doped Liquid Crystals: Black Hole Effect and Switchable Reversed Diffraction (Preprint)

A nonlinear extinction of transmitted light is observed in liquid crystal cells with large concentrations of anthraquinone dye. Two distinct mechanisms are responsible for this effect when exposed to low and high intensity light, respectively. At low intensities, critical opalescence, micro-scatter,...

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Main Authors:	Evans, D R, Cook, G, Saleh, M A, Carns, J L, Serak, S, Tabiryan, N
Format:	Report
Language:	English
Subjects:	ABSORPTION ANTHRAQUINONE DYE ANTHRAQUINONES BACKSCATTERING BUBBLES CONTINUOUS WAVE LASERS CRITICAL OPALESCENCE DYES EXPERIMENTAL DESIGN HELIUM NEON LASERS ISOTROPISM LIGHT SCATTERING LIGHT TRANSMISSION LIQUID CRYSTALS MARANGONI EFFECT MICRO-DOMAINS NONLINEAR OPTICS Optics PE62102F Physical Chemistry SRD(SWITCHABLE REVERSED DIFFRACTION) WUAFRLM08R1000
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creator	Evans, D R Cook, G Saleh, M A Carns, J L Serak, S Tabiryan, N
description	A nonlinear extinction of transmitted light is observed in liquid crystal cells with large concentrations of anthraquinone dye. Two distinct mechanisms are responsible for this effect when exposed to low and high intensity light, respectively. At low intensities, critical opalescence, micro-scatter, and an increase in linear absorption occur; whereas high intensities result in scattering from photo-induced micro-bubbles. Prepared in collaboration with Universal Technology Corporation, Dayton, OH; UES, Inc., Dayton, OH; General Dynamics Information Technology, Inc., Dayton, OH; and BEAM Engineering for Advanced Measurements Co., Winter Park, FL. Submitted for publication in Molecular Crystals and Liquid Crystal; published in v453, p177-190, 2006.
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Two distinct mechanisms are responsible for this effect when exposed to low and high intensity light, respectively. At low intensities, critical opalescence, micro-scatter, and an increase in linear absorption occur; whereas high intensities result in scattering from photo-induced micro-bubbles. Prepared in collaboration with Universal Technology Corporation, Dayton, OH; UES, Inc., Dayton, OH; General Dynamics Information Technology, Inc., Dayton, OH; and BEAM Engineering for Advanced Measurements Co., Winter Park, FL. 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Two distinct mechanisms are responsible for this effect when exposed to low and high intensity light, respectively. At low intensities, critical opalescence, micro-scatter, and an increase in linear absorption occur; whereas high intensities result in scattering from photo-induced micro-bubbles. Prepared in collaboration with Universal Technology Corporation, Dayton, OH; UES, Inc., Dayton, OH; General Dynamics Information Technology, Inc., Dayton, OH; and BEAM Engineering for Advanced Measurements Co., Winter Park, FL. Submitted for publication in Molecular Crystals and Liquid Crystal; published in v453, p177-190, 2006.</description><subject>ABSORPTION</subject><subject>ANTHRAQUINONE DYE</subject><subject>ANTHRAQUINONES</subject><subject>BACKSCATTERING</subject><subject>BUBBLES</subject><subject>CONTINUOUS WAVE LASERS</subject><subject>CRITICAL OPALESCENCE</subject><subject>DYES</subject><subject>EXPERIMENTAL DESIGN</subject><subject>HELIUM NEON LASERS</subject><subject>ISOTROPISM</subject><subject>LIGHT SCATTERING</subject><subject>LIGHT TRANSMISSION</subject><subject>LIQUID CRYSTALS</subject><subject>MARANGONI EFFECT</subject><subject>MICRO-DOMAINS</subject><subject>NONLINEAR OPTICS</subject><subject>Optics</subject><subject>PE62102F</subject><subject>Physical Chemistry</subject><subject>SRD(SWITCHABLE REVERSED DIFFRACTION)</subject><subject>WUAFRLM08R1000</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>2006</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFjLEOgjAURVkcjPoHDm_UgUVIjG5IMQzGEHUntX0NL2KL7VPC38vg7nSTc3LuNGrP2EPVoHVPtBLIghgwFq5DDSd6vUlD7ofAsg17OLRSPaB0LUJhDCoGaTVce2LVyPtIL_hBH8ZUkDFeKiZnYVV57DxZXs-jiRmPcPHbWbQ8Fre8jDWTqgOTRa4zkaXbdLdJkj_6C5OPPTA</recordid><startdate>200601</startdate><enddate>200601</enddate><creator>Evans, D R</creator><creator>Cook, G</creator><creator>Saleh, M A</creator><creator>Carns, J L</creator><creator>Serak, S</creator><creator>Tabiryan, N</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>200601</creationdate><title>New Phenomena in Dye-Doped Liquid Crystals: Black Hole Effect and Switchable Reversed Diffraction (Preprint)</title><author>Evans, D R ; Cook, G ; Saleh, M A ; Carns, J L ; Serak, S ; Tabiryan, N</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA4749233</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>2006</creationdate><topic>ABSORPTION</topic><topic>ANTHRAQUINONE DYE</topic><topic>ANTHRAQUINONES</topic><topic>BACKSCATTERING</topic><topic>BUBBLES</topic><topic>CONTINUOUS WAVE LASERS</topic><topic>CRITICAL OPALESCENCE</topic><topic>DYES</topic><topic>EXPERIMENTAL DESIGN</topic><topic>HELIUM NEON LASERS</topic><topic>ISOTROPISM</topic><topic>LIGHT SCATTERING</topic><topic>LIGHT TRANSMISSION</topic><topic>LIQUID CRYSTALS</topic><topic>MARANGONI EFFECT</topic><topic>MICRO-DOMAINS</topic><topic>NONLINEAR OPTICS</topic><topic>Optics</topic><topic>PE62102F</topic><topic>Physical Chemistry</topic><topic>SRD(SWITCHABLE REVERSED DIFFRACTION)</topic><topic>WUAFRLM08R1000</topic><toplevel>online_resources</toplevel><creatorcontrib>Evans, D R</creatorcontrib><creatorcontrib>Cook, G</creatorcontrib><creatorcontrib>Saleh, M A</creatorcontrib><creatorcontrib>Carns, J L</creatorcontrib><creatorcontrib>Serak, S</creatorcontrib><creatorcontrib>Tabiryan, N</creatorcontrib><creatorcontrib>AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH SENSORS DIRECTORATE</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Evans, D R</au><au>Cook, G</au><au>Saleh, M A</au><au>Carns, J L</au><au>Serak, S</au><au>Tabiryan, N</au><aucorp>AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH SENSORS DIRECTORATE</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>New Phenomena in Dye-Doped Liquid Crystals: Black Hole Effect and Switchable Reversed Diffraction (Preprint)</btitle><date>2006-01</date><risdate>2006</risdate><abstract>A nonlinear extinction of transmitted light is observed in liquid crystal cells with large concentrations of anthraquinone dye. 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source	DTIC Technical Reports
subjects	ABSORPTION ANTHRAQUINONE DYE ANTHRAQUINONES BACKSCATTERING BUBBLES CONTINUOUS WAVE LASERS CRITICAL OPALESCENCE DYES EXPERIMENTAL DESIGN HELIUM NEON LASERS ISOTROPISM LIGHT SCATTERING LIGHT TRANSMISSION LIQUID CRYSTALS MARANGONI EFFECT MICRO-DOMAINS NONLINEAR OPTICS Optics PE62102F Physical Chemistry SRD(SWITCHABLE REVERSED DIFFRACTION) WUAFRLM08R1000
title	New Phenomena in Dye-Doped Liquid Crystals: Black Hole Effect and Switchable Reversed Diffraction (Preprint)
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