Wavelength conversion device

Details Wavelength conversion device Wavelength conversion device

2006-04-25

2006-04-25

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

C385S037000

Reexamination Certificate

active

07034988

ABSTRACT:
A feature of a wavelength conversion device of this invention is the board range of selection of wavelengths which can be obtained by conversion. A wavelength conversion device of this invention comprises an SC light generation portion12, which receives an excitation light pulse output from an excitation light pulse source and generates SC light, and an optical wavelength filter14which filters the SC light. An excitation light pulse source generates an excitation light pulse, of central wavelength λS. When the excitation light pulse generated by the excitation light pulse source is incident on the SC medium, SC light having a flat spectral shape over the range from wavelength λLto wavelength λH(where λL<λH) is generated. The optical wavelength filter has a characteristic such that the filtering transmitted central wavelengths are λ1, λ2, λ3, . . . , λn(where n is a natural number). A further feature is that the following conditions (1) and (2-1), (2-2), . . . , (2-n) between the wavelength λL, the wavelength λH, the wavelength λS, and the wavelengths λ1, λ2, λ3, . . . , λn(where n is a natural number) are satisfied.in-line-formulae description="In-line Formulae" end="lead"?λL<λS<λH  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?λL<λ1<λH  (2-1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?•in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?•in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?•in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?λL<λn<λH  (2-n)in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 5960146 (1999-09-01), Okuno et al.
patent: 6724783 (2004-04-01), Jalali et al.
patent: 6853774 (2005-02-01), Watanabe
patent: 2003/0128414 (2003-07-01), Watanabe et al.
patent: 2000-066253 (2000-03-01), None
patent: 2001-251253 (2001-09-01), None

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