(12) United States Patent ao) Patent No.: us 6,493,365 Bi
Wu et al. (45) Date of Patent: *Dec. 10,2002
(54) PASSIVE THERMAL STABILIZATION OF THE OPTICAL PATH LENGTH IN A TUNABLE LASER
(75) Inventors: I-Fan Wu, Fremont, CA (US);
Alexander V. Tuganov, Redwood City,
CA (US); Kenneth C. Reiter, San Jose,
CA (US); Timothy Day, San Jose, CA
(US); Alejandro D. Farinas, Mountain
View, CA (US)
(73) Assignee: New Focus, Inc., Santa Clara, CA (US)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
This patent is subject to a terminal disclaimer.
(21) Appl. No.: 09/393,755
(22) Filed: Sep. 10, 1999
Related U.S. Application Data
(60) Provisional application No. 60/099,901, filed on Sep. 11, 1998, provisional application No. 60/100,055, filed on Sep. 11, 1998, provisional application No. 60/099,839, filed on Sep. 11, 1998, provisional application No. 60/099,865, filed on Sep. 11, 1998, and provisional application No. 60/099, 831, filed on Sep. 11, 1998.
(51) Int. CI.7 H01S 3/10; H01S 3/04;
H01S 3/20; H01S 3/08
(52) U.S. CI 372/20; 372/9; 372/34;
372/54; 372/99; 372/107
(58) Field of Search 372/20, 9, 36,
372/29.02, 32, 34, 102, 107, 54, 92, 93
