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January 27, 2009

Mtg: Nonlinear Optical Crystals for Use in Consumer Laser Projection Displays

by @ 9:26 am. Filed under ALL, Communications, Electronics Design, NanoEngineering, Optics/Displays
 

TUESDAY April 7, 2009
SCV Lasers and Electro Optics Chapter
Speaker: Dr. Dieter Jundt, Crystal Technology, Inc.
Time: Networking/Pizza Social 6:00 PM, Presentation at 7:00 PM
Cost: none
Place: National Semiconductor Building E Auditorium, 2900 Semiconductor Drive, Santa Clara
RSVP: use web link for EventBrite
Web: www.ewh.ieee.org/r6/scv/leos

RGB laser displays offer several advantages over currently available display types.? The color gamut is larger than in CRT, LED or Plasma systems, offering more vibrant colors.? The low étendue of lasers simplifies the imaging optics, may even eliminate the need for focusing, and enables small handheld projectors.? While good quality red and blue lasers are available that can be modulated at the high speeds required for creating a grey-scale, this has not been the case for green lasers based on frequency-doubled DPSS lasers.? Frequency doubling of diode lasers can address this shortcoming and various approaches are being pursued.? Each of those approaches requires a nonlinear optical crystal that has good conversion efficiency and can be produced at low cost with good reproducibility.? MgO doped lithium niobate is currently the favored crystal for this need.? The talk will discuss crystal characterization techniques used to optimize the crystal growth process and address the challenges in scaling R&D processes to high volume production from crystal growth, periodic poling through device processing.

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