EP 1129513 A1 20010905 - CONTINUOUSLY-TUNABLE EXTERNAL CAVITY LASER
Title (en)
CONTINUOUSLY-TUNABLE EXTERNAL CAVITY LASER
Title (de)
KONTINUIERLICH ABSTIMMBARER LASER MIT EXTERNEM RESONATOR
Title (fr)
LASER A CAVITE EXTERIEURE ACCORDABLE EN CONTINU
Publication
Application
Priority
- US 9924137 W 19991015
- US 10444898 P 19981016
- US 12078099 P 19990219
- US 34234299 A 19990629
Abstract (en)
[origin: WO0024095A1] The present invention provides a continuously-tunable external cavity laser (ECL) with a compact form factor and precise tuning. A novel interference filter which may be used to tune the ECL provides an absence of mode-hopping and reduced feedback from both spurious interference (210) and reflections (214) in the external cavity. A novel tuning mechanism is disclosed which provides for mechanical FM tuning of a wide range ECL tuning elements such as an interference filter, a diffraction element and a retroreflector (122). A novel feedback circuit is disclosed which provides closed loop feedback for selecting output wavelength in a laser.
IPC 1-7
IPC 8 full level
H01S 3/106 (2006.01); H01S 3/08 (2006.01); H01S 5/14 (2006.01); H01S 5/022 (2006.01); H01S 5/06 (2006.01); H01S 5/062 (2006.01); H01S 5/0687 (2006.01); H01S 5/40 (2006.01)
CPC (source: EP)
H01S 5/141 (2013.01); H01S 3/1062 (2013.01); H01S 5/02325 (2021.01); H01S 5/0617 (2013.01); H01S 5/0622 (2013.01); H01S 5/0687 (2013.01); H01S 5/4087 (2013.01)
Citation (search report)
See references of WO 0024095A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 0024095 A1 20000427; AU 6432399 A 20000508; EP 1129513 A1 20010905; JP 2002528902 A 20020903
DOCDB simple family (application)
US 9924137 W 19991015; AU 6432399 A 19991015; EP 99952013 A 19991015; JP 2000577743 A 19991015