Optical: systems and elements – Optical frequency converter – Parametric oscillator
Reexamination Certificate
2007-11-20
2007-11-20
Sanghavi, Hemang (Department: 2874)
Optical: systems and elements
Optical frequency converter
Parametric oscillator
C356S301000
Reexamination Certificate
active
11318234
ABSTRACT:
A tunable coherent light source includes a pump laser for generating a pump beam and an optical parametric oscillator including a crystal exhibiting an output curve for a pump beam of a defined wavelength, the output curve defining wavelengths of signal and idler outputs based on periodically poled grating periods of the crystal. The crystal has a plurality of segments associated with a plurality of grating periods of the output curve, each segment of the plurality of segments having a different crystal structure. At least one of the plurality of segments comprises a crystal structure combining at least two of the grating periods A heating device heats the crystal to an elevated operating temperature and is adjustable for adjusting the output wavelengths of each of the segments.
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Gao Zhida
Kung Andrew H.
Tu Shih-Yu
Zhu Shining
Academia Sinica
Cohen Pontani Lieberman & Pavane LLP
Sanghavi Hemang
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