High Power Solid State Single Frequency MOPA for Gravitional Wave Detection

04.10.2012, 14:00

Dr. Chandrajit Basu, Leibniz University of Hannover


Date: Thursday 4th, 2:00 pm
Place: large seminar room / MPL

The gravitational wave detectors (GWD) based on the principle of Michelson interferometer (MI) demand highly stable single frequency linearly polarized laser sources with very high TEM00 mode contents. Driven by the success of the state-of-the art solid state injection locked aLIGO laser systems and keeping in mind the probable further power requirements of the third generation of GWD, a scalable high power solid state single frequency master oscillator power amplifier (MOPA) system with ~ 177 W linearly polarized output power and ~ 83.5% TEM00 mode content was developed. The MOPA system was characterized in terms of the relative intensity noise (RIN) and the effects of gain saturation and wave front aberrations on beam quality.

 

This talk is followed by the talk of Dr. David Novoa Fernandez