Wavelength converting element, light source device, lighting...

Details Wavelength converting element, light source device, lighting... Wavelength converting element, light source device, lighting...

2008-07-09

2009-02-17

Sanghavi, Hemang (Department: 2874)

Optical: systems and elements

Optical frequency converter

C372S021000

Reexamination Certificate

active

07492506

ABSTRACT:
The disclosure refers to a wavelength converting element, light source device, lighting device, monitoring device, and projector. In one example, a wavelength converting element comprises a polarization-inverted crystal including polarization-inverted layers having an inverted polarization direction and being disposed in parallel in a particular direction. The polarization-inverted layers are disposed substantially parallel with a first plane which is substantially orthogonal to the particular direction. Temperature controlling elements are configured to control a temperature of the polarization-inverted crystal, the temperature controlling elements being disposed on a second plane substantially orthogonal to the first plane.

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