Optical: systems and elements – Optical frequency converter
Reexamination Certificate
2008-09-30
2011-11-29
Sanghavi, Hemang (Department: 2874)
Optical: systems and elements
Optical frequency converter
C359S328000, C372S022000, C372S108000
Reexamination Certificate
active
08068274
ABSTRACT:
A wavelength conversion laser device includes a laser light source which emits a laser beam, two reflective surfaces which reflect therefrom a laser beam, a wavelength converter provided between the two reflective surfaces, which converts a laser beam into a wavelength-converted laser beam, and condensing optics which condense the laser beams to be injected between the two reflective surfaces, wherein at least one of the two reflective surfaces has a curvature for reflecting a laser beam to be re-injected into the wavelength converter between the two reflective surfaces repeatedly while forming multi paths of laser beams injected into the wavelength converter at different incident angles, and the condensing optics are arranged to disperse beam waists of the laser beams in the wavelength converter, which reciprocate between the two reflective surfaces.
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Furuya Hiroyuki
Horikawa Nobuyuki
Itoh Tatsuo
Kusukame Koichi
Mizushima Tetsuro
Panasonic Corporation
Sanghavi Hemang
Wenderoth , Lind & Ponack, L.L.P.
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