Dresden 2011 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 45: Precision Measurement and Metrology 2
Q 45.9: Vortrag
Donnerstag, 17. März 2011, 12:45–13:00, HÜL 386
Transportable cavity-stabilized fibre laser at 1542 nm — •Thomas Legero, Thomas Kessler, Christian Hagemann, Gesine Grosche, and Harald Schnatz — Physikalisch-Technische Bundesanstalt and Centre for Quantum Engineering and Space-Time Research, Bundesallee 100, 38116 Braunschweig, Germany
Cavity-stabilized laser systems with sub-Hz line width are essential for high-resolution spectroscopy and optical frequency standards. In addition, their superior short term stability in the 10−15 regime makes them an excellent tool for referencing fs-frequency combs, optical microwave generation [1] or characterization of optical fibre links [2]. For operation along fibre links the system must be rigid and small enough to be transportable by a small van. We present a compact, cavity stabilized laser system based on a commercial fibre laser at a wavelength of 1542 nm. The cavity setup is designed to withstand typical accelerations during transportation. The complete laser system including the cavity and the electronics package fits into a 19-inch racksystem with a base of 60 × 60 cm2 and a height of 1.50 m. Its short term stability of a few times 10−15 allows a varity of applications where a mobile highly stable refrence frequency is required.
[1] B. Lipphardt et al., IEEE Trans. Instrum. Meas., 58, 1258, (2009)
[2] O. Terra et al., Appl. Phys. B, 97, 541, (2009)