Using Liquid Crystal Spatial Light Modulators for Closed Loop Tracking and Beam Steering with Phase Holography

By:

Michael J Perry

Format:

Paperback / softback

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Description

Optical Phased Array (OPA) technology offers advantages in the reduction of size, weight, and power of optical steering devices. Nematic liquid crystal (LC) spatial light modulators (SLMs) have been studied as a potential candidate for building non-mechanical OPAs. They can steer a laser beam and split the beam into multiple beams. This thesis builds upon the prior research showing each split beam can be individually controlled, including variation in intensity. A closed loop tracking scenario shows the flexibility of the SLM by tracking and stabilizing an incoming beam. Results show that applying a phase grating to the SLM has limitations with diffraction and fringing when the SLM is divided into sub-apertures during beam splitting, forcing trade-offs in performance.

Release date Australia

November 21st, 2012

Author

Michael J Perry

Audience

General (US: Trade)

Pages

112

Dimensions

189x246x6

ISBN-13

9781288331499

Product ID

21251830

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