Optical pulse generator

Details Optical pulse generator Optical pulse generator

1991-02-15

1992-03-03

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Optical output stabilization

372 25, 372 27, 372 20, H01S 313

Patent

active

050938339

ABSTRACT:
A fast rise time optical pulse generator is provided which utilizes a laser cavity having a gain medium with a pair of cavity arms extending therefrom, each cavity arm having a feedback element at its distal end. The gain medium has the property that if optical waves enter the gain medium from the two arms simultaneously, the gain is reduced. This will generally occur as a result of a gain saturation effect such as spatial hole burning. Since the gain reduction does not occur for pulses of a length equal to the length of the laser cavity or for odd submultiples of such pulses, outputs are obtained at one of these pulse lengths. Various means are provided for tuning the system to the desire harmonic.

REFERENCES:
patent: 4709368 (1987-11-01), Fukuda et al.
patent: 4922498 (1990-05-01), Kearsley et al.

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