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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Real-time dual frequency comb spectroscopy in the near infrared
Applied Physics Letters, Volume 102, No. 12, Article 121116, Year 2013
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Description
We use two femtosecond lasers with slightly different repetition rates to perform real-time dual frequency comb spectroscopy in the near infrared. The difference between the repetition rates is δ 4403 Hz, yielding a minimal time interval between subsequently measured interferograms and spectra of 0.227 ms. It takes as short as 4 μs to record a single interferogram, opening the possibility of studying dynamical processes. We work with different spectral outputs from two Erbium-doped fiber lasers and employ a grating based spectral filter in a 2f-2f setup to select the common spectral region of interest, thereby increasing the signal-to-noise ratio. © 2013 American Institute of Physics.
Authors & Co-Authors
Zhu, F.
Unknown Affiliation
Mohamed, Tarek Ali
Unknown Affiliation
Strohaber, James
Unknown Affiliation
Kolomenskiĭ, Alexandre A.
Unknown Affiliation
Údem, Th
Unknown Affiliation
Schuessler, Hans Achim
Unknown Affiliation
Statistics
Citations: 34
Authors: 6
Affiliations: 6
Identifiers
Doi:
10.1063/1.4799282
ISSN:
00036951