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Micro-integrated extended cavity diode lasers for precision potassium spectroscopy in space

E. Luvsandamdin1, C. Kürbis1, M. Schiemangk1,2, A. Sahm1, A. Wicht1,2, A. Peters1,2, G. Erbert1, and G. Tränkle1

Published in:

Opt. Express, vol. 22, no 7, pp. 7790-7798 (2014).

Abstract:

We present a micro-integrated, extended cavity diode laser module for space-based experiments on potassium Bose-Einstein condensates and atom interferometry. The module emits at the wavelength of the potassium D2-line at 766.7 nm and provides 27.5 GHz of continuous tunability. It features sub-100 kHz short term (100 µs) emission linewidth. To qualify the extended cavity diode laser module for quantum optics experiments in space, vibration tests (8.1 gRMS and 21.4 gRMS) and mechanical shock tests (1500 g) were carried out. No degradation of the electro-optical performance was observed.

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

OCIS codes:

(140.2020) Diode lasers; (140.5960) Semiconductor lasers; (140.3570) Lasers, single-mode; (290.3700) Linewidth; (050.7330) Volume gratings; (130.3120) Integrated optics devices.

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