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Humboldt-Universität zu Berlin - Faculty of Mathematics and Natural Sciences - Optical Metrology

Humboldt-Universität zu Berlin | Faculty of Mathematics and Natural Sciences | Department of Physics | Optical Metrology | Publications | Autonomous frequency stabilization of two extended-cavity diode lasers at the potassium wavelength on a sounding rocket

Aline N Dinkelaker, Max Schiemangk, Vladimir Schkolnik, Andrew Kenyon, Kai Lampmann, André Wenzlawski, Patrick Windpassinger, Ortwin Hellmig, Thijs Wendrich, Ernst M Rasel, Michele Giunta, Christian Deutsch, Christian Kürbis, Robert Smol, Andreas Wicht, Markus Krutzik, and Achim Peters (2017)

Autonomous frequency stabilization of two extended-cavity diode lasers at the potassium wavelength on a sounding rocket

Appl. Opt., 56(5):1388–1396.

We have developed, assembled, and flight-proven a stable, compact, and autonomous extended-cavity diode laser (ECDL) system designed for atomic physics experiments in space. To that end, two microintegrated ECDLs at 766.7 nm were frequency stabilized during a sounding rocket flight by means of frequency modulation spectroscopy of K39 and offset locking techniques based on the beat note of the two ECDLs. The frequency stabilization as well as additional hardware and software to test hot redundancy mechanisms were implemented as part of a state machine, which controlled the experiment completely autonomously throughout the entire flight mission.

Instrumentation, measurement, atomic; Laser stabilization, and metrology; Diode lasers; Spectroscopy