Optical: systems and elements – Optical amplifier – Optical fiber
Reexamination Certificate
2007-04-19
2010-02-09
Bolda, Eric (Department: 3663)
Optical: systems and elements
Optical amplifier
Optical fiber
C385S030000, C372S006000, C372S070000, C065S408000, C065S410000, C065S411000
Reexamination Certificate
active
07660034
ABSTRACT:
An optical fiber arrangement has at least two optical fiber sections, each optical fiber section defining an outside longitudinally extending surface. The outside longitudinally extending surfaces are in optical contact with each other. The invention further provides for an amplifying optical device have an optical fiber arrangement as just described, and a pump source. The amplifying optical device is configured such that the pump source illuminates the amplifying optical fiber. A amplifying arrangement is also disclosed. The amplifying arrangement includes a plurality of amplifying optical devices as just described, and each amplifier also has at least one input fiber and a first multiplexer connected to the input fiber. Each amplifier is configured such that at least one of the amplifying optical fibers is connected to the first multiplexer. The amplifying arrangement also has a second multiplexer connected to each of the first multiplexers.
REFERENCES:
“Diode pumping of a solid state laser using evanescent field fiber optic coupling: a proposed technique”. Phillip H. Howerton & D. M. Cordray, Applied Optics, vol. 30, No. 15 (May 20, 1991).
“Passive and Active Fiber Optic Components”, A Dissertation to the Dept. of Applied Physics and the Committee on Graduate Studies of Stanford University in Partial Fulfillment of the Requirements for for the Degree of Doctor of Philosophy, by Michael J. F. Digonnet, Sep. 1983. (See esp. pp. 131-133.).
Durkin Michael Kevan
Grudinin Anatoly Borisovich
Ibsen Morten
Nilsson Lars Johan Albinsson
Payne Dave Neil
Bolda Eric
Reid John S.
SPI Lasers UK Ltd.
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