Dual-comb spectroscopy of molecular electronic transitions in condensed phases
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.97.033831
Abstract: Dual-comb spectroscopy (DCS) utilizes two phase-locked optical frequency combs to allow scanless acquisition of spectra using only a single point detector. Although recent DCS measurements demonstrate rapid acquisition of absolutely calibrated spectral lines with unprecedented… read more here.
Keywords: comb spectroscopy; molecular electronic; dcs; dual comb ... See more keywords
High-Precision Ramsey-Comb Spectroscopy Based on High-Harmonic Generation.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.143001
Abstract: High-harmonic generation (HHG) is widely used for up-conversion of amplified (near) infrared ultrafast laser pulses to short wavelengths. We demonstrate that Ramsey-comb spectroscopy, based on two such pulses derived from a frequency-comb laser, enables us… read more here.
Keywords: comb; ramsey comb; spectroscopy; harmonic generation ... See more keywords
Adaptive Dual-Comb Spectroscopy With 1200-h Continuous Operation Stability
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2864986
Abstract: Dual-comb spectroscopy (DCS), without moving mirrors, enables fast optical sampling of molecular vibrations and results in high-resolution and high-accuracy Fourier-transform spectra. This motionless technique holds much promise in gas sensing and environmental monitoring. However, in… read more here.
Keywords: comb spectroscopy; dual comb; adaptive dual; spectroscopy ... See more keywords
Dynamic Quasi-Distributed Ultraweak Fiber Bragg Grating Array Sensing Enabled by Depth-Resolved Dual-Comb Spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2019.2959754
Abstract: Distributed sensing plays an important role in many industrial applications. Sensor arrays consisting of identical ultraweak fiber Bragg gratings can be applied to such scenarios by monitoring the optical spectral response of the sensors. Yet,… read more here.
Keywords: ultraweak fiber; dual comb; spectroscopy; comb spectroscopy ... See more keywords
Dual-comb spectroscopy with tailored spectral broadening in Si3N4 nanophotonics.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.011869
Abstract: Si3N4 waveguides, pumped at 1550 nm, can provide spectrally smooth, broadband light for gas spectroscopy in the important 2 μm to 2.5 μm atmospheric water window, which is only partially accessible with silica-fiber based systems.… read more here.
Keywords: comb spectroscopy; spectroscopy; dual comb; si3n4 waveguides ... See more keywords
Ultraviolet dual comb spectroscopy: a roadmap.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.424940
Abstract: Dual Comb Spectroscopy proved its versatile capabilities in molecular fingerprinting in different spectral regions, but not yet in the ultraviolet (UV). Unlocking this spectral window would expand fingerprinting to the electronic energy structure of matter.… read more here.
Keywords: dual comb; spectroscopy; ultraviolet dual; spectroscopy roadmap ... See more keywords
Mid-infrared electro-optic dual-comb spectroscopy with feedforward frequency stepping.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.385464
Abstract: In this Letter, we utilize an acoustic-optic frequency shifter in a feedforward manner for automatic interpolation of dual-comb spectroscopy, where frequency tuning can be achieved at 5.45 THz/s with the step size precisely locked to… read more here.
Keywords: infrared electro; comb spectroscopy; frequency; dual comb ... See more keywords
Subsampling dual-comb spectroscopy.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.399027
Abstract: We demonstrate a technique to compress spectral information in dual-comb spectroscopy that relies on subsampling of the electrical interferogram. It enables us to reduce the data sample rate by arbitrary factors directly in the sampling… read more here.
Keywords: dual comb; comb spectroscopy; spectroscopy; subsampling dual ... See more keywords
Fast MHz spectral-resolution dual-comb spectroscopy with electro-optic modulators.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.000065
Abstract: Frequency-agile dual-comb spectroscopy (DCS) with electro-optic modulators (EOMs) promises to facilitate the implementation of DCS in many environmental applications. In this Letter, we demonstrate a 1 MHz resolution electro-optic dual-comb system with a measurement speed of… read more here.
Keywords: dual comb; comb; optic modulators; spectroscopy ... See more keywords
Mid-infrared dual-comb spectroscopy with interband cascade lasers.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.002113
Abstract: Two semiconductor optical frequency combs, consuming less than 1 W of electrical power, are used to demonstrate high-sensitivity mid-infrared dual-comb spectroscopy in the important 3-4 μm spectral region. The devices are 4 mm long by 4 μm wide, and… read more here.
Keywords: dual comb; mid infrared; spectroscopy; infrared dual ... See more keywords