Liquid crystal light valves for schlieren optical projection

The advantage of schlieren optical large-screen projection is its ability to control a high light output power and to create bright images. The imaging element is a phase modulator which can be implemented using liquid crystal (LC) technology. In this contribution the operating principle and optical...

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Bibliographic Details
Published inDisplays Vol. 16; no. 1; pp. 35 - 38
Main Authors Eschler, Johannes, Dickmann, Stefan, Mlynski, Dieter A.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Oxford Elsevier B.V 1995
Elsevier
Subjects
Applied sciences
Display
Electronics
Exact sciences and technology
liquid crystal phase gratings
projection TV
schlieren optical system
projection TV
schlieren optical system
liquid crystal phase gratings
Concept
Phase grating
Experimental test
Optical modulator
Theoretical study
Schlieren method
Liquid crystals
Image projection
Television
Active matrix
Optical properties
Large screen projector
Feasibility
Operating process
Deformable mirror
Comparative study
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Summary:The advantage of schlieren optical large-screen projection is its ability to control a high light output power and to create bright images. The imaging element is a phase modulator which can be implemented using liquid crystal (LC) technology. In this contribution the operating principle and optical properties of three different types of phase modulators, i.e. a tandem cell, a modulator with a twisted LC structure and a (LC cell-phase retarder-mirror) compound cell are investigated.
ISSN:0141-9382
1872-7387
DOI:10.1016/0141-9382(95)91872-Y