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Conference Paper
CLEO: Science and Innovations
San Jose, California United States
June 9-14, 2013
ISBN: 978-1-55752-972-5
Precision Spectroscopy (CTu3I)

Subkilohertz-narrowed, Frequency/phase-locked Mid-IR Quantum Cascade Lasers for High-precision Molecular Spectroscopy

Francesco Cappelli, Saverio Bartalini, Pablo Cancio, Iacopo Galli, Giovanni Giusfredi, Davide Mazzotti, and Paolo De Natale  »View Author Affiliations


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We narrow QCL radiation below 1 kHz by using two different techniques: frequency locking to a molecular transition and phase locking to an absolutely-referenced difference-frequency-generated source. Applications of both techniques are presented

© 2013 OSA

OCIS Codes
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(300.6390) Spectroscopy : Spectroscopy, molecular
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

F. Cappelli, S. Bartalini, P. Cancio, I. Galli, G. Giusfredi, D. Mazzotti, and P. De Natale, "Subkilohertz-narrowed, Frequency/phase-locked Mid-IR Quantum Cascade Lasers for High-precision Molecular Spectroscopy," in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTu3I.2.

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