Coherent light generators – Optical fiber laser
Reexamination Certificate
1998-11-13
2001-07-17
Healy, Brian (Department: 2874)
Coherent light generators
Optical fiber laser
C385S123000, C385S141000, C359S341430
Reexamination Certificate
active
06263003
ABSTRACT:
BACKGROUND OF THE INVENTION
In certain applications, such as fiber optic gyroscopes, a broadband, high-power light source is preferred. With a high power source, the deleterious effects of shot noise are lessened. Another desirable quality of a light source is radiation hardness (or low radiation sensitivity). This is important in applications in space and hostile environments. An ultrahigh power source with a doped fiber of very short lengths, e.g., approximately 0.1 to 10 meters in length, offers higher output power, a broadband emission spectrum, and superior radiation hardness, as radiation-induced darkening of a fiber is proportional to the length of the fiber.
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T. H. Weber, et al; A Longitudianl and Side-Pumped Single Transvers Mode Double-Clad Fiber Laser with a Special Silicone Coating; Mar. 1, 1995; vol. 15, No. 1; Optics Communications pp. 99-104.
Ch. Ghisler, et al; Cladding-pumping of a Tm:Hosilica Fibre Laser; Dec. 15, 1996; vol. 132, No. 5; Optics Communications pp. 475-476.
Huang Sidney Xi-Yi
Sarma Naveen
Allied-Signal Inc.
Healy Brian
Yeadon Loria B.
LandOfFree
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