The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 12, 2005
Filed:
May. 14, 2003
Tatsuya Ariga, Hiratsuka, JP;
Kyohei Seki, Hiratsuka, JP;
Osamu Wakabayashi, Hiratsuka, JP;
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 devicewhich has discharge electrodeswithin a laser chamberfilled with laser gas containing Fand emits laser beam which is band-narrowed by means of a band narrowing modulearranged in a laser resonator, and an amplifier laser devicewhich has discharge electrodeswithin a laser chamberfilled with laser gas containing Fand amplifies laser pulse injected from said oscillator laser deviceIn the system, a synchronous time interval having a predetermined spectral line width exists in laser pulse from the oscillator laserand the system is set such that a discharge occurs in the amplifier laserwithin the synchronous time interval.