Coherent light generators – Particular resonant cavity – Specified cavity component
Reexamination Certificate
2002-09-25
2008-12-09
Harvey, Minsun (Department: 2828)
Coherent light generators
Particular resonant cavity
Specified cavity component
C372S099000, C372S092000, C372S020000, C372S107000
Reexamination Certificate
active
07463668
ABSTRACT:
A wavelength tunable cavity includes a first reflecting unit adapted to at least partially reflect a beam of electromagnetic radiation towards a second reflecting unit, adapted to at least partially reflect a beam of electromagnetic radiation back towards said first reflecting unit, both reflecting units providing resonance modes of said electromagnetic radiation within said cavity, wherein an optical path of said beam within said cavity is defined in length by said first and second reflecting unit, a grating arranged within said optical path of said beam reflected by said first reflecting unit, said grating adapted for tuning the wavelength of said beam, wherein said at least one second reflecting unit is rotatable about an axis by at least 360 degrees along a circle path with respect to said grating, said circle path including at least a portion arranged to intersect with said beam, which is redirected by said grating.
REFERENCES:
patent: 4601036 (1986-07-01), Mocker et al.
patent: 4862468 (1989-08-01), Fink
patent: 4868834 (1989-09-01), Fox et al.
patent: 5283795 (1994-02-01), Fink
patent: 5537432 (1996-07-01), Mehuys et al.
International Search Report dated May 26, 2003.
Haberland Udo
Heitkamp Jens
Schmidt Andreas
Steffens Wolf
Agilent Technologie,s Inc.
Harvey Minsun
Stafford Patrick
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