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:
Feb. 03, 1981
Filed:
Dec. 19, 1977
Gary L McAllister, Richland, WA (US);
Jersey Nuclear-Avco Isotopes, Inc., Bellevue, WA (US);
Abstract
A CO.sub.2 laser capable of emitting at 16 microns in the transition from the 02.degree.O to the 01'0 energy levels. The laser is particularly adaptable for use in laser enrichment to photoexcite uranium hexafluoride molecules. The CO.sub.2 medium is originally excited to many levels above and including the 02.degree.0 level. De-excitation to the 02.degree.0 level is induced from several upper levels populating it highly for improved laser gain. The transition between the 02.degree.0 and 01'0 levels at 16 microns is then permitted by depopulating the 01'0 level with 5 micron radiation from a CO laser. In the preferred case, excitation of the CO.sub.2 medium is by an electronic discharge, and all levels are excited from the ground state by the discharge without selectivity. The pumping from the terminal 01'0 level maintains the inversion for 16 microns lasing.