High energy solid-state laser with offset pump and...

Details High energy solid-state laser with offset pump and... High energy solid-state laser with offset pump and...

2008-03-18

2008-03-18

Nguyen, Dung (Department: 2828)

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

C372S069000, C372S071000

Reexamination Certificate

active

07346091

ABSTRACT:
A laser system and method. The inventive laser includes an annular gain medium; a source of pump energy; and an arrangement for concentrating energy from the source on the gain medium. In a more specific implementation, a mechanism is included for rotating the gain medium to effect extraction of pump energy and cooling. In the illustrative embodiment, the pump source is a diode array. Energy from the array is coupled to the medium via an array of optical fibers. The outputs of the fibers are input to a concentrator that directs the pump energy onto a pump region of the medium. In the best mode, plural disks of gain media are arranged in an offset manner to provide a single resonator architecture. First and second mirrors are added to complete the resonator. In accordance with the inventive teachings, a method for pumping and cooling a laser is taught. In the illustrative embodiment, the inventive method includes the steps of providing a gain medium; pumping energy into a region of the gain medium; moving the medium; extracting energy from the region of the medium; and cooling region of the medium.

REFERENCES:
patent: 4852567 (1989-08-01), Sinofsky
patent: 4890289 (1989-12-01), Basu et al.
patent: 5841801 (1998-11-01), Suzuki
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patent: 6434177 (2002-08-01), Jurgensen
patent: 2002/0105997 (2002-08-01), Zhang
patent: 2005/0058173 (2005-03-01), Vetrovec
patent: 2005/0074047 (2005-04-01), Boggy et al.
patent: WO 92/03858 (1992-03-01), None

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