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Logo Made in Germany Photonics West 2019

Laser systems for spaceborne quantum optical metrology

FBH develops particularly compact and stable laser systems designed for harsh environments that rely on the sophisticated in-house micro-integration technology. Since 2008, the institute closely cooperates with Humboldt-Universität zu Berlin within its Joint Lab Laser Metrology, developing the laser systems required for investigations into fundamental laws of physics with cold atoms as microscopic test masses under microgravity conditions. Several experiments yielded milestones accomplished in space, such as the first Bose-Einstein condensate or the first Iodine-based frequency reference. For the reference experiment, a new generation of laser modules was flown. It consisted of a laser emitting at 1064 nm that delivers an optical power of 570 mW within the linewidth of the free-running laser of 26 kHz (FWHM, 1 ms measurement time). The laser module is fully encapsulated into a 125 x 75 x 22.5 mm³ package, with optical output via a single-mode, polarization-maintaining fiber.

www.fbh-berlin.com/research/photonics/laser-metrology

Exhibitor: Ferdinand-Braun-Institut – Leibniz-Institut für Höchstfrequenztechnik

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LTB Lasertechnik Berlin GmbH
Booth number: 4545-11