Granted Patent
Utility
US 6,606,340 · App. 09/816,747
Continuously grating-tuned external cavity laser with automatic suppression of source spontaneous emission and amplified spontaneous emission
Inventors:
Guangzhi Z. Zhang, I-Fan Wu
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Mar 23, 2001
Inventors
Guangzhi Z. Zhang
I-Fan Wu
Assignee (at issue)
New Focus, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.