Source laser intense pour le refroidissement du 87Rb par doublement de fréquence d'un laser fibré télécom

Details Source laser intense pour le refroidissement du 87Rb par doublement de fréquence d'un laser fibré télécom Source laser intense pour le refroidissement du 87Rb par doublement de fréquence d'un laser fibré télécom

2010-02-12

arxiv.org/abs/1002.2619v1

Physics

Optics

to appear in EPJ-ST; COLOQ11 Proceedings

Scientific paper

We built a frequency-doubled laser for 87Rb laser cooling, from a Telecom fiber laser. Thanks to intense technological development, telecom fiber lasers exhibit outstanding properties regarding relative intensity noise and modulation bandwidth. The enhanced doubling efficiency of periodically poled crystals allowed to obtain up to 1.8 W at 780 nm from 10 W at 1560 nm, with a simple pass configuration in a 50-mm long crystal of ppLN:MgO. This technique can also be applied at the wavelength of potassium (767 nm) (Bourdel, 2009) and could be of great interest for the realization of dipole traps.

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