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Journal Article

Grating Enhanced External Cavity Diode Laser

MPS-Authors

Wicht,  A.
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Rudolf,  M.
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Huke,  P.
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Rinkleff,  Rolf-Hermann
AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Danzmann,  Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Wicht, A., Rudolf, M., Huke, P., Rinkleff, R.-H., & Danzmann, K. (2004). Grating Enhanced External Cavity Diode Laser. Applied Physics B, 78(2), 137-144. doi:10.1007/s00340-003-1304-6.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5076-8
Abstract
We describe a concept for diode lasers with optical feedback. It is based on the combination of two different diode laser concepts: the diode laser with (i) feedback from a grating and (ii) resonant optical feedback from a separate cavity. The goal of our work is to unite the excellent tunability and well known reliability of grating diode lasers with the narrow emission linewidth of diode lasers with resonant optical feedback. Our theoretical description shows that a proper cavity design is essential for this concept. It also provides the means to optimize the cavity geometry. Our setup is based on an AR-coated laser diode emitting at 852nm. It achieves an overall tuning range of 36.4nm and a continuous tuning range of 45.1GHz. A beat note measurement with a diode laser with resonant optical feedback demonstrates a short-term linewidth below 60kHz. Continuous tuning ranges on the order of nanometers and linewidth on the order of kHz seem feasible.