Lasers and Laser Locking

We use home-made extended cavity diode lasers to cool and trap Rb. The cooling laser is frequency stabilised by locking to a polarisation spectrum signal. The Repumping laser is locked using a DAVLL. We use a Doppler-free hyperfine spectrum as a reference for the lock

Home-made laser with the outer box


Doppler-free hyperfine spectrum of the Rb D2 resonances

Content © K. J. Weatherill , Durham University 2005