Optical fiber for pulse compression

Details Optical fiber for pulse compression Optical fiber for pulse compression

1988-10-25

1990-04-03

Gonzalez, Frank

35016217, 350 9634, G02B 2744

Patent

active

049135201

ABSTRACT:
An optical fiber for use in a pulse compressor which compresses a relatively long width optical pulse to a short width pulse, has a V number between 2 and 2.405 and a .DELTA. of less than 0.3%. In another aspect of the present invention the optimum length of an optical fiber which may be used to generate self phase modulation in a pulse compression apparatus is selected by successively cutting off fixed lengths of the fiber and measuring the optical energy of a pulse from which the Raman band has been separated. When the optical energy no longer increases, the fiber length has been optimized.

REFERENCES:
patent: 4750809 (1988-06-01), Kafka et al.
E. B. Treacy, "Compression of Picosecond Light Pulses", Phys. Lett. 28A, 34 1968.
M. A. Duguay and J. W. Hansen, "Compression of Pulses from Mode-Locked HeNe Laser", Appl. Phys. Lett. 14, 14 (1969).
B. Nicolaus and D. Grischkowsky, "12x Pulse Compression Using Optical Fibers", Appl. Phys. Lett. 43, 1 (1983).
B. Nicolaus and D. Grischkowsky, "90-fs Tunable Optical Pulses Obtained by Two-Stage Pulse Compression", Appl. Phys. Lett. 43, 228 (1983).
A. M. Johnson and W. M. Simpson, "Optically Biased Tunable Femtosecond Dye Laser and Spectral Windowing of the Compressed Second Harmonic of Nd:YAG", IEEE Jor. Quantum Electron, QE 22, 133 (1986).

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