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:
Jan. 25, 2005
Filed:
Jun. 07, 2002
Applicants:
Franck Le Gall, Paris, FR;
Daniel Mousseaux, St-Arnoult-en-Yvelines, FR;
Inventors:
Franck Le Gall, Paris, FR;
Daniel Mousseaux, St-Arnoult-en-Yvelines, FR;
Assignee:
Avanex Corporation, Fremont, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 304 ;
U.S. Cl.
CPC ...
Abstract
The invention is related to an optical device having a housing () with a defined gas atmosphere. The housing includes a wavelength monitor, for monitoring an optical signal The wavelength monitor includes an etalon () with a gap between two etalon plates. The optical device also has a laser diode and means for influencing the temperature () of the laser diode. The optical device further includes special means to influence the gas density in the gap between the etalon plates.