Variable power pulsed secondary beam laser

Details Variable power pulsed secondary beam laser Variable power pulsed secondary beam laser

2005-11-01

2005-11-01

Le, Hoanganh (Department: 2821)

Coherent light generators

Particular beam control device

Control of pulse characteristics

C372S026000

Reexamination Certificate

active

06961355

ABSTRACT:
Lasers are provided to deliver a wide variety of wavelengths at variable pulse energy. A laser cavity is formed between a first and second reflective surface. A lasing medium is located within cavity which lases at a preselected fundamental frequency. One or more nonlinear crystals are provided in optical communication with the lasing crystal to produce a secondary beam having a different frequency than the fundamental beam. A modulator is provided to control the pulse energy of the secondary beam. Desirably the secondary beam is a harmonic beam for example a second, third, fourth or fifth harmonic beam or a beam provided by an optical parametric oscillator.

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