ADJUSTABLE MID-INFRARED SUPER-CONTINUUM GENERATOR USING A TUNABLE FEMTOSECOND OSCILLATOR
First Claim
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1. A super-continuum system comprising:
- a fiber laser configured to output a pulse having a center wavelength;
a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser;
a first fiber amplifier of at least one stage configured to amplify the output from the first nonlinear waveguide; and
a second nonlinear waveguide configured to spectrally broaden the output from the first fiber amplifier.
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Abstract
A super-continuum system including: a fiber laser configured to output a pulse having a center wavelength; a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser; a first fiber amplifier of at least one stage configured to amplify the output from the first nonlinear waveguide; and a second nonlinear waveguide configured to spectrally broaden the output from the first fiber amplifier.
11 Citations
22 Claims
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1. A super-continuum system comprising:
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a fiber laser configured to output a pulse having a center wavelength; a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser; a first fiber amplifier of at least one stage configured to amplify the output from the first nonlinear waveguide; and a second nonlinear waveguide configured to spectrally broaden the output from the first fiber amplifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21)
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20. A method for operating super-continuum system that comprises a fiber laser configured to output a pulse having a center wavelength;
- a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser;
a fiber amplifier with at least one stage configured to amplify the output from the first nonlinear waveguide; and
a second nonlinear waveguide configured to spectrally broaden the output from the first fiber amplifier, the method comprising;receiving a feedback from, the output of the first fiber amplifier or the output of the second nonlinear waveguide; and adjusting peak power, energy, wavelength or polarization of the pulse entering the second nonlinear waveguide.
- a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser;
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22. A method for increasing the spectral coverage of a spectroscopy system that comprises:
- a fiber laser configured to output a pulse having a center wavelength;
a first nonlinear waveguide configured to shift the wavelength of the pulse from the fiber laser;
a first fiber amplifier of at least one stage configured to amplify the output from the first nonlinear waveguide;
a second nonlinear waveguide configured to spectrally broaden the output from the first fiber amplifier;
a sample processing unit configured to direct the light output from the super-continuum system to pass through or reflect off a sample; and
a spectrometer or interferometer configured to analyze the light that passes through, reflects off or is scattered by the sample, the method comprising;performing multiple spectral measurements while adjusting one or more parameters of the super-continuum spectrum.
- a fiber laser configured to output a pulse having a center wavelength;
Specification