Frequency comb analysis

Optics: measuring and testing – For light transmission or absorption

Reexamination Certificate

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Reexamination Certificate

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06897959

ABSTRACT:
Methods and apparatus for generating a frequency comb and for its use in analyzing materials and in telecommunications. The frequency comb is generated by passing pulsed light from a laser through an optical fiber having a constriction. The frequency comb comprises a plurality of monochromatic components separated in frequency by a substantially constant frequency increment. The monochromatic components are used to probe materials for analysis. In preferred embodiments, the materials are DNA, RNA, PNA and other biologically important molecules and polymers. Optical responses are observed and used to analyze or identify samples. In telecommunication applications, the individual monochromatic components serve as carriers for individual communication channels that can carry information of any of a variety of types, such as voice, data and images.

REFERENCES:
patent: 4035643 (1977-07-01), Barrett
patent: 4297035 (1981-10-01), Bjorklund
patent: 4937457 (1990-06-01), Mitchell
patent: 4941747 (1990-07-01), Dakin
patent: 5784157 (1998-07-01), Gorfinkel et al.
patent: 6201638 (2001-03-01), Hall et al.
patent: 20020068018 (2002-06-01), Pepper et al.

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