Optical waveguides – Optical fiber waveguide with cladding
Patent
1996-12-13
1999-01-19
Lee, John D.
Optical waveguides
Optical fiber waveguide with cladding
359161, 359173, 359332, 372 25, G02B 616
Patent
active
058622870
ABSTRACT:
An apparatus and method for delivery of high peak power pulse through an optical fiber to an optical device included an ultrashort pulsed laser source which produce ultrashort optical pluses having high peak power. Prior to transmittng the optical pulses through a delivery optical fiber, the pulse width of the optical pulses is streched, forming chirped optical pulses having a lower peak power. The stretched pulse are transmitted through an optical fiber which delivers the pulse to an optical device requiring ultrashort, high peak power optical pulses. The optical fiber and/or an output unit coupled to the end of the optical fiber introduces a dispersion which compensates for the dispersion introduced by the pulsed laser source and the stretcher, and delivers a recompressed optical pulse to an optical device. The optical fiber delivery system preferably pre-compensates for the dispersion introduced by optical components within the optical device, so that the optical pulses are fully recompressed at a point of interest within the optical device, such as at a specimen of at a detector. The optical fiber delivery system may include a frequency converter either before or after the delivery optical fiber. The frequency converter allows optical pulses having frequencies other than that generated by the laser source to be delivered to the optical device in an efficient manner.
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Bendett Mark P.
Galvanauskas Almantas
Harter Donald J.
Stock Michelle L.
Sucha Gregg D.
Imra America Inc.
Lee John D.
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