Design and characterization of liquid crystal light modulators

Norbert Fruehauf

doi:10.1117/12.508361

30 May 2003 Design and characterization of liquid crystal light modulators

Norbert Fruehauf

Proceedings Volume 5144, Optical Measurement Systems for Industrial Inspection III; (2003) https://doi.org/10.1117/12.508361
Event: Optical Metrology, 2003, Munich, Germany

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.

Citation Download Citation

Norbert Fruehauf "Design and characterization of liquid crystal light modulators", Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003); https://doi.org/10.1117/12.508361

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