Coherent light generators – Particular beam control device – Nonlinear device
Reexamination Certificate
2011-07-12
2011-07-12
Nguyen, Dung T (Department: 2828)
Coherent light generators
Particular beam control device
Nonlinear device
C372S022000, C372S006000, C372S069000
Reexamination Certificate
active
07978738
ABSTRACT:
A wavelength converter comprising an arsenic sulfide (As—S) chalcogenide glass fiber coupled to an optical parametric oscillator (OPO) crystal and a laser system using an OPO crystal coupled to an As—S fiber are provided. The OPO receives pump laser radiation from a pump laser and emits laser radiation at a wavelength that is longer than the pump laser radiation. The laser radiation that is emitted from the OPO is input into the As—S fiber, which in turn converts the input wavelength from the OPO to a desired wavelength, for example, a wavelength beyond about 4.4 μm. In an exemplary embodiment, the OPO comprises a periodically poled lithium niobate (PPLN) crystal. The As—S fiber can include any suitable type of optical fiber, such as a conventional core clad fiber, a photonic crystal fiber, or a microstructured fiber.
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Aggarwal Ishwar D.
Sanghera Jasbinder S.
Shaw Leslie Brandon
Barritt Joslyn
Nguyen Dung T
Ressing Amy
The United States of America as represented by the Secretary of
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