Broadband optical spectrum generating apparatus and pulsed...

Details Broadband optical spectrum generating apparatus and pulsed... Broadband optical spectrum generating apparatus and pulsed...

2005-08-02

2005-08-02

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Having nonlinear property

C359S240000

Reexamination Certificate

active

06925236

ABSTRACT:
A broadband optical spectrum generating apparatus20includes a ultrashort pulsed fiber laser22that generates pulsed light having a pulse width in the unit of picosecond to femtosecond, and broadband optical spectrum-generating optical fibers24that are connected with the ultrashort pulse fiber laser22via a lens26and have characteristics of normal dispersion, that is, a nonlinear coefficient of not less than 10 [W−1km−1] and a magnitude of wavelength dispersion of not greater than a value 0 [ps/km
m] with regard to a wavelength of the pulsed light. The resulting output is super continuum that is widely broadened to a wavelength band of 1400 nm to 1750 nm and is chirped to a linear characteristic.

REFERENCES:
patent: 6097870 (2000-08-01), Ranka et al.
patent: 2004/0234216 (2004-11-01), Okuno et al.
patent: HEI 8-234249 (1996-09-01), None
patent: HEI 10-90737 (1998-04-01), None
patent: HEI 11-160744 (1999-06-01), None
patent: HEI 11-174503 (1999-07-01), None
21stAnnual Meeting of the Laser Society of Japan, Digest of Technical Papers, Jan. 30-31, 2001.
Extended Abstracts (The 61stAutumn Meeting, 2000) The Japan Society of Applied Physics, Sep. 3, 2000.

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