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Extended cavity diode laser master-oscillator-power-amplifier for operation of an iodine frequency reference on a sounding rocket

C. Kürbis1, A. Bawamia1, M. Krüger1, R. Smol1, A. Peters2, A. Wicht1, and G. Tränkle1

Published in:

Appl. Opt., vol. 59, no. 2, pp. 253-262 (2020).


We present a hybrid microintegrated diode laser module developed for iodine spectroscopy on board a sounding rocket. The laser module is based on a master-oscillator-power-amplifier concept: an extended cavity diode laser serves as the master oscillator, and a ridge-waveguide semiconductor optical amplifier provides the power boost. The module’s form factor and mass correspond to 12.5×7.5×2.3 cm3 and 750 g, respectively. With an electrical power of 3.75 W supplied to the module, 570 mW of optical power is provided out of a polarization maintaining optical fiber at 1064.490 nm with a technical linewidth of 13 kHz (55 kHz) at a 1 ms (10 ms) time scale. The laser module has successfully passed vibration tests at a level of 8.8 gRMS. A nominally identical module has recently been used to demonstrate, for the first time, precision iodine spectroscopy in space.

1 Ferdinand-Braun-Institut, Leibniz Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany
2 Institut für Physik, Humboldt Universität zu Berlin, Newtonstr. 15, 12489 Berlin, Germany

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