Ultra-narrow linewidth diode laser modules are space-compatible
The modules have repeatedly proven their capability in experiments carried out under zero-gravity conditions. For example, they facilitated the realization of a Bose-Einstein condensate and the first iodine-based optical frequency reference on board a sounding rocket. A central element of the laser modules are FBH’s laser diodes, which are integrated with optics and other passive elements with ultra-high stability and accuracy, in some cases well below 100nm.
spectroscopy in space ©FBH/schurian.com
Thanks to the institute’s unique micro-integration technique, the modules are extremely robust and well suited for operation in space. Moreover, they measure only 130x80x25mm³, weighing just 750g, with excellent performance parameters. Their output power exceeds 500mW with an intrinsic linewidth smaller than 1kHz. In close cooperation with Humboldt-Universität zu Berlin, these modules are used for integration into compact and stable laser systems for precision experiments in space.
Proof-of-concept demonstrators will be transferred from the laboratory into industrial solutions for application in quantum sensing, quantum communication, quantum simulation, and quantum computing.
Ferdinand-Braun-Institut Leibniz-Institut fuer Hoechstfrequenztechnik – www.fbh-berlin.de
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