By Topic

Highly efficient tunable single-frequency cw deep ultraviolet coherent light source toward laser cooling of silicon atoms

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Asakawa, Y. ; Dept. of Electron. & Elec. Eng, Keio Univ., Yokohama, Japan ; Kumagai, H. ; Midorikawa, K. ; Obara, M.

Summary form only given. We developed a highly efficient tunable cw single-frequency light source in the deep ultraviolet region for laser cooling of silicon atoms. In the system two-stage highly efficient frequency conversion with binary external cavities is employed. The first frequency conversion system consists of a bow-tie ring type cavity and the phase matched LBO crystal, producing the second harmonic power of 526 mW at 373 nm by frequency doubling of the fundamental (746 nm) of a Ti:sapphire laser with a power of 1.3 W. The conversion efficiency in the first cavity reaches 38.4%, which is in good agreement with our numerical calculation. In the second stage, the system consists of a doubly resonant bow-tie-type cavity and the phase matched BBO crystal, generating the 252-nm radiation successfully, by the sum frequency mixing between the obtained 373-nm radiation with a power of 480 mW and the 780-nm light from a tunable laser diode with a power of 380 mW. The frequency of the single-frequency-laser diode is locked to the cavity frequency stabilized to the frequency of the second harmonic of the single-frequency Ti:sapphire laser through the two-stage Hansch-Couillaud stabilization scheme. The performance characteristics of this system should be enough to achieve laser cooling of silicon atoms.

Published in:

Lasers and Electro-Optics, 2001. CLEO '01. Technical Digest. Summaries of papers presented at the Conference on

Date of Conference:

11-11 May 2001