Coherent light generators – Particular beam control device – Nonlinear device
Patent
1991-07-18
1992-11-24
Scott, Jr., Leon
Coherent light generators
Particular beam control device
Nonlinear device
372 20, 372 28, 372102, 372 10, 372 32, 372 19, H01S 310
Patent
active
051669420
ABSTRACT:
Multibeam coupling in a Kerr medium of nonlinear characteristics and finite response time is disclosed together with two different frequency spectrum examples of its use. In the first spectrum example, the modes are equally spaced and in the second spectrum the frequency separations are all unequal. In either case, as the beams propagate, both input spectra eventually reach a saturation characterized by a cascading of energy into the lowest frequency if the Kerr constant is positive. The direction of cascading of energy transfer is reversed to the highest frequency if the Kerr constant is negative. The examples disclosed include a typical Kerr medium and are representative of a multimode, equally spaced laser source and an unequally spaced source. For the equally spaced case, the optimum medium response time for conversion of Gaussian spectra is disclosed. If the frequencies are unequally spaced general conditions to be satisfied are disclosed, along with examples.
Cardimona David A.
Gavrielides Athanasios
Peterson Phillip R.
Sharma Mohinder P.
Hollins Gerald B.
Jr. Leon Scott
Singer Donald J.
The United States of America as represented by the Secretary of
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