Ultrastabilized solid state laser for gravitational wave detection

Ken-ichi Ueda; Noboru Uehara

doi:10.1117/12.183148

10 August 1994 Ultrastabilized solid state laser for gravitational wave detection

Ken-ichi Ueda, Noboru Uehara

Proceedings Volume 2097, Laser Applications; (1994) https://doi.org/10.1117/12.183148
Event: Laser Optics, 1993, St. Petersburg, Russian Federation

Abstract

We describe frequency stabilization of two laser-diode-pumped Nd:YAG lasers independently locked to two high-finesse Fabry-Perot cavities. The frequency noise is reduced to the shot noise limit of 0.37 mHz/(root)Hz at the error signal. A heterodyne beat note between two locked lasers is used to measure the frequency stability, and the beat linewidth of 16 Hz and the root Allan variance of 19 Hz at time interval of 3 ms are measured. A new scalable geometry of multi-LD-pumping for high power and TEM₀₀ output solid state lasers have been developed. The principle of virtual point source clad pumping system is discussed in terms of analytical and numerical calculations. A prototype model was developed by using 32 X 1 W - fiber-coupled LD. The center core of 200 micrometers diameter of 2-mm YAG rod was excited efficiently. The transverse mode of output was controlled simply by changing the ratio of excitation volume to cavity mode volume. The high power version of 320 W pumping is designed and appear in the near future.

Citation Download Citation

Ken-ichi Ueda and Noboru Uehara "Ultrastabilized solid state laser for gravitational wave detection", Proc. SPIE 2097, Laser Applications, (10 August 1994); https://doi.org/10.1117/12.183148

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available