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:
May. 18, 2004
Filed:
Mar. 15, 2001
Applicant:
Inventor:
Kazi Sarwar Abedin, Cambridge, MA (US);
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/113 ; H01S 3/10 ;
U.S. Cl.
CPC ...
H01S 3/113 ; H01S 3/10 ;
Abstract
A mode-locked laser apparatus includes a mode-locked laser oscillator, a detection device for detecting changes in the optical path length of the mode-locked laser oscillator by utilizing the chromatic dispersion characteristics of the optical path, an optical path length controller that controls the optical path length of the laser oscillator, and a feedback circuit that controls the optical path length controller by means of the signal detected by the detection device.