NDLI: Frequency stability measurement of a transfer-cavity-stabilized diode laser by using an optical frequency comb

Content Provider	Springer Nature Link
Author	Hayasaka, K. Matsubara, K. Uetake, S. Ito, H. Hosokawa, M.
Copyright Year	2009
Abstract	We report results of frequency stability measurements of an extended cavity diode laser (ECDL) whose frequency is stabilized by a non-evacuated scanning transfer cavity. The transfer cavity is locked to a commercial frequency stabilized helium–neon laser. Frequency stability is measured by use of an optical frequency comb. The environmental perturbations (variations of temperature, air pressure, and humidity) are also simultaneously measured. The observed frequency drift of the ECDL is well explained by environmental perturbations. An atmospheric pressure variation, which is difficult to control with a non-evacuated cavity, is mainly affected to the frequency stability. Thus we put the cavity into a simple O-ring sealed (non-evacuated) tube. With this simple O-ring sealed tube, the frequency drift is reduced by a factor of 3, and the Allan variance reaches a value of 2.4×10−10, corresponds to the frequency stability of 83 kHz, at the average time of 3000 s. Since the actual frequency drift is well estimated by simultaneous measurement of the ambient temperature, pressure, and humidity, a feed-forward compensation of frequency drifts is also feasible in order to achieve a higher frequency stability with a simple non-evacuated transfer cavity.
Ending Page	419
Page Count	7
Starting Page	413
File Format	PDF
ISSN	09462171
e-ISSN	14320649
Journal	Applied Physics B
Issue Number	2
Volume Number	97
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-06-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Engineering Quantum Optics Optics, Optoelectronics, Plasmonics and Optical Devices Physical Chemistry Laser Technology, Photonics Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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