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Proceedings Paper

Design and characterization of liquid crystal light modulators
Author(s): Norbert Fruehauf
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Paper Abstract

Liquid crystal light modulators are versatile optical elements that modulate amplitude and phase of coherent or incoherent light waves in space and time, thus enabling implementation of innovative optical processing and measurement systems. A brief introduction of the most commonly used liquid crystal effects and devices highlights the specific characteristics of "optical-grade" light modulators. These characteristics create unusual challenges for modulator designers requiring modifications of established manufacturing processes and development of new measurement concepts and systems for characterizing the liquid crystal light modulators. Specifically, a high precision measurement system for characterizing the voltage dependent complex transmissivity and a concept for extracting liquid crystal cell parameters is presented.

Paper Details

Date Published: 30 May 2003
PDF: 12 pages
Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); doi: 10.1117/12.508361
Show Author Affiliations
Norbert Fruehauf, Univ. Stuttgart (Germany)


Published in SPIE Proceedings Vol. 5144:
Optical Measurement Systems for Industrial Inspection III
Wolfgang Osten; Malgorzata Kujawinska; Katherine Creath, Editor(s)

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