Two stage laser system

Details Two stage laser system Two stage laser system

2005-04-12

2005-04-12

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Gas

C372S056000, C372S057000, C372S058000, C372S059000, C372S060000

Reexamination Certificate

active

06879617

ABSTRACT:
The present invention relates to a two stage laser system in which a desired spectral line width can be obtained at high output even when the integrated spectral characteristic of oscillator laser does not have the desired spectral line width, comprising an oscillator laser device10which has discharge electrodes2within a laser chamber1filled with laser gas containing F2and emits laser beam which is band-narrowed by means of a band narrowing module3arranged in a laser resonator, and an amplifier laser device20which has discharge electrodes2within a laser chamber1filled with laser gas containing F2and amplifies laser pulse injected from said oscillator laser device10.In the system, a synchronous time interval having a predetermined spectral line width exists in laser pulse from the oscillator laser10,and the system is set such that a discharge occurs in the amplifier laser20within the synchronous time interval.

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patent: 2001-024265 (2001-01-01), None

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