Linewidths below 100 kHz with external cavity diode lasers
Applied Optics, Vol. 48, Issue 36, pp. 6961-6966 (2009)
http://dx.doi.org/10.1364/AO.48.006961
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Abstract
The linewidth of external cavity diode lasers (ECDLs) is an increasingly important characteristic for experiments in coherent optical communications and atomic physics. The Schawlow–Townes and time-averaged linewidths depend on free parameters of the design, such as cavity length, power, and grating characteristics. We show that the linewidth is also sensitive to the focus, set by the distance between the laser and the collimating lens, due to the effect on the external cavity backcoupling efficiency. By considering these factors, a simple ECDL can readily achieve linewidths below
© 2009 Optical Society of America
OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.3600) Lasers and laser optics : Lasers, tunable
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: October 7, 2009
Manuscript Accepted: November 18, 2009
Published: December 11, 2009
Citation
Sebastian D. Saliba and Robert E. Scholten, "Linewidths below 100 kHz with external cavity diode lasers," Appl. Opt. 48, 6961-6966 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-36-6961
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