Abstract.
We report on master-oscillator power amplification using a broad-area laser diode (BAL) emitting at a wavelength of λ =780 nm. The master oscillator is an injection-locked single-mode diode laser delivering a seeding beam of 35 mW, which is amplified in double pass through the BAL up to 410 mW. After beam shaping and spatial filtering by a single-mode fibre we obtain a clean Gaussian beam with a maximum power of 160 mW. There is no detectable contribution of the BAL eigenmodes in the spectrum of the output light. This laser system is employed for operation of a 87Rb magneto-optical trap (MOT) and for near-resonant absorption imaging in a Bose-Einstein condensation experiment.
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Received: 10 April 2000 / Revised version: 13 June 2000 / Published online: 2 August 2000
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Shvarchuck, I., Dieckmann, K., Zielonkowski, M. et al. Broad-area diode-laser system for a rubidium Bose-Einstein condensation experiment. Appl Phys B 71, 475–480 (2000). https://doi.org/10.1007/s003400000395
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DOI: https://doi.org/10.1007/s003400000395