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SPIE Taps Cassarly as Fellow of the Society
Feb 2011
MOUNTAIN VIEW, Calif., Feb. 3, 2011 — Synposys Inc., a software and IP provider for semiconductor design, verification and manufacturing, announced that William J. Cassarly was promoted to Fellow by the Society of Photographic Instrumentation Engineers (SPIE).

Each year SPIE recognizes individuals in the field of optics and optoelectronics through its Fellows program. The promotion recognizes Cassarly’s technical achievements in illumination system optimization, as well as his contributions to optics education.

Cassarly, senior scientist of illumination engineering in the Optical Solutions Group at Synopsys, was honored at a luncheon hosted by SPIE at Photonics West in January. The event honored 67 new Fellows.

Throughout his career, Cassarly has worked in the areas of illumination modeling, design and optimization. He has contributed to developments in the company’s LightTools illumination design software and to illumination engineering consulting projects for a range of applications. He has designed fiber optic headlights, compound parabolic concentrators, theater projection illuminators, room lighting, LED optics and UV systems.

“Bill Cassarly has been a key contributor to the advancement of computer-aided illumination engineering, particularly in the development of practical and effective optimization capabilities for illumination systems,” said George Bayz, vice president and general manager of the Optical Solutions Group at Synopsys. “In addition, he has helped foster the next generation of illumination engineers by developing and teaching introductory and advanced design courses at SPIE meetings since 1999.”

For a complete list of the 2011 Fellows, visit: 

For more information, visit: 

A sub-field of photonics that pertains to an electronic device that responds to optical power, emits or modifies optical radiation, or utilizes optical radiation for its internal operation. Any device that functions as an electrical-to-optical or optical-to-electrical transducer. Electro-optic often is used erroneously as a synonym.
AmericasBusinessCaliforniacompound parabolic concentratorsConsumerEmploymentFellows programfiber optic headlightsGeorge Bayzillumination engineeringillumination system optimizationindustrialLED opticslight emitting diodesLightTools illumination design softwareOptical Solutions Groupopticsoptics educationoptoelectronicsPhotonics Westroom lightingsemiconductorSociety of Photographic Instrumentation Engineerssoftware and IPSPIESynopsys projection illuminatorsUV systemsWilliam Cassarly

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