High-efficiency frequency doubling for the production of 780 nm light

S. Peil, S. Crane, C.R. Ekstrom
IEEE International Frequency Control Sympposium and PDA Exhibition Jointly with the 17th European Frequency and Time Forum, 2003. Proceedings of the 2003  
We are developing a source of 780 nm light for use in rubidium atomic clocks by frequency doubling telecom-laser light in a periodically poled lithium niobate waveguide. A single-pass doubling efficiency of 70% and 780 nm power of 100 mW have been demonstrated.
doi:10.1109/freq.2003.1275080 fatcat:j4lu7qptjjdahlijh2vvx2fuhq