Multiwavelength light source using an optical parametric...

Optical: systems and elements – Optical frequency converter – Parametric oscillator

Reexamination Certificate

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C359S326000

Reexamination Certificate

active

07016103

ABSTRACT:
An apparatus for generating at least three visible light beams of different output wavelengths for display purposes includes a passively mode-locked solid-state thin-disk laser and a device, including an optical parametric oscillator (OPO) for at least partially converting the primary light beam into electromagnetic radiation having the at least three different output wavelengths. The OPO is preferably an optical fiber feedback OPO. An optical fiber feedback OPO includes a nonlinear optical element and feedback device for feeding back at least a portion of the radiation emitted by the nonlinear medium to the nonlinear element. The feedback device includes an optical fiber.

REFERENCES:
patent: 5828424 (1998-10-01), Wallenstein
patent: 5894489 (1999-04-01), Halldorsson et al.
patent: 6154310 (2000-11-01), Galvanauskas et al.
patent: 6233089 (2001-05-01), Nebel
patent: 6480325 (2002-11-01), Batchko et al.
patent: 2004/0075883 (2004-04-01), Galvanauskas et al.
Au Aus der J et al: “16.2-W Average Power From a Diode-pumped Femtosecond Yb: YAG Thin Disk Laser”, Optics Letters, Optical Society of America, Washington, US, vol. 25, No. 11, Jun. 1, 2000 pp. 859-861, XP000951881.
Sudmeyer T et al: “Femtosecond fiber-feedback optical parametric oscillator”, Optics Letters, Mar. 1, 2001, Opt. Soc. America, USA, vol. 26, No. 5, pp. 304-306, XP002198272.

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