scholarly journals Fully stabilized mid-infrared frequency comb for high-precision molecular spectroscopy

2017 ◽  
Vol 25 (4) ◽  
pp. 4190 ◽  
Author(s):  
Markku Vainio ◽  
Juho Karhu
Keyword(s):  
High Precision ◽  
Molecular Spectroscopy ◽  
Frequency Comb ◽  
Mid Infrared

Mid-infrared frequency comb for broadband high precision and sensitivity molecular spectroscopy

2014 ◽  
Vol 39 (17) ◽  
pp. 5050 ◽  
Author(s):  
I. Galli ◽  
S. Bartalini ◽  
P. Cancio ◽  
F. Cappelli ◽  
G. Giusfredi ◽  
...  
Keyword(s):  
High Precision ◽  
Molecular Spectroscopy ◽  
Frequency Comb ◽  
Mid Infrared

scholarly journals Broadband high-resolution molecular spectroscopy with interleaved mid-infrared frequency combs

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
A. V. Muraviev ◽  
D. Konnov ◽  
K. L. Vodopyanov
Keyword(s):  
High Resolution ◽  
Molecular Spectroscopy ◽  
Frequency Comb ◽  
Acquisition Time ◽  
Sampling Point ◽  
Dual Frequency ◽  
Mid Infrared ◽  
Frequency Combs ◽  
Spectral Bands ◽  
Primary Frequency

Abstract Traditionally, there has been a trade-off in spectroscopic measurements between high resolution, broadband coverage, and acquisition time. Originally envisioned for precision spectroscopy of the hydrogen atom in the ultraviolet, optical frequency combs are now commonly used for probing molecular ro-vibrational transitions throughout broad spectral bands in the mid-infrared providing superior resolution, speed, and the capability of referencing to the primary frequency standards. Here we demonstrate the acquisition of 2.5 million spectral data points over the continuous wavelength range of 3.17–5.13 µm (frequency span 1200 cm−1, sampling point spacing 13–21 MHz), via interleaving comb-tooth-resolved spectra acquired with a highly-coherent broadband dual-frequency-comb system based on optical subharmonic generation. With the original comb-line spacing of 115 MHz, overlaying eight spectra with gradually shifted comb lines we fully resolve the amplitude and phase spectra of molecules with narrow Doppler lines, such as carbon disulfide (CS2) and its three isotopologues.

scholarly journals Frequency-comb-referenced molecular spectroscopy in the mid-infrared region

2011 ◽  
Vol 36 (21) ◽  
pp. 4122 ◽  
Author(s):  
Markku Vainio ◽  
Mikko Merimaa ◽  
Lauri Halonen
Keyword(s):  
Molecular Spectroscopy ◽  
Frequency Comb ◽  
Infrared Region ◽  
Mid Infrared

scholarly journals High-precision methanol spectroscopy with a widely tunable SI-traceable frequency-comb-based mid-infrared QCL

Optica ◽  
2019 ◽  
Vol 6 (4) ◽  
pp. 411 ◽  
Author(s):  
R. Santagata ◽  
D. B. A. Tran ◽  
B. Argence ◽  
O. Lopez ◽  
S. K. Tokunaga ◽  
...  
Keyword(s):  
High Precision ◽  
Frequency Comb ◽  
Mid Infrared

scholarly journals HIGH-PRECISION MID-INFRARED SPECTROSCOPY WITH A WIDELY TUNEABLE SI-TRACEABLE FREQUENCY-COMB-STABILISED QCL

2021 ◽  
Author(s):  
Nicolas Cahuzac ◽  
Benoit Darquie ◽  
Anne Amy-Klein ◽  
Rodolphe Le Targat ◽  
Paul-Eric Pottie ◽  
...  
Keyword(s):  
Infrared Spectroscopy ◽  
High Precision ◽  
Frequency Comb ◽  
Mid Infrared ◽  
Mid Infrared Spectroscopy

scholarly journals Frequency-comb-referenced mid-infrared source for high-precision spectroscopy

2014 ◽  
Vol 22 (26) ◽  
pp. 32429 ◽  
Author(s):  
Jari Peltola ◽  
Markku Vainio ◽  
Thomas Fordell ◽  
Tuomas Hieta ◽  
Mikko Merimaa ◽  
...  
Keyword(s):  
High Precision ◽  
Frequency Comb ◽  
Precision Spectroscopy ◽  
Infrared Source ◽  
Mid Infrared
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