Search Results - "Axner, O"
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1
Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy: Current status and future potential
Published in Applied physics. B, Lasers and optics (01-09-2008)“…As a result of a combination of an external cavity and modulation techniques, noise-immune cavity-enhanced optical heterodyne molecular spectroscopy…”
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Journal Article Conference Proceeding -
2
External cavity diode laser-based detection of trace gases with NICE-OHMS using current modulation
Published in Optics express (09-03-2015)“…We combine an external cavity diode laser with noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) using current modulation…”
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Journal Article -
3
Wavelength modulation absorption spectrometry — an extensive scrutiny of the generation of signals
Published in Spectrochimica Acta Part B: Atomic Spectroscopy (31-08-2001)“…The signal generation process in the wavelength modulation absorption spectrometry (WMAS) technique, mainly applied to diode lasers, is scrutinized in detail…”
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Book Review Journal Article -
4
Highly sensitive dispersion spectroscopy by probing the free spectral range of an optical cavity using dual-frequency modulation
Published in Applied physics. B, Lasers and optics (01-11-2010)“…Dual-frequency modulation (DFM) has been used to continuously track the frequency shifts of optical cavity modes in the vicinity of an optical transition of a…”
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Journal Article -
5
Methodology for temperature measurements in water vapor using wavelength-modulation tunable diode laser absorption spectrometry in the telecom C-band
Published in Applied physics. B, Lasers and optics (01-11-2009)“…A methodology based upon wavelength modulation and two-line thermometry for assessment of gas temperature by tunable diode laser absorption spectroscopy…”
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Journal Article -
6
Sub-Doppler Double-Resonance Spectroscopy of Methane Using a Frequency Comb Probe
Published in Physical review letters (12-02-2021)“…We report the first measurement of sub-Doppler molecular response using a frequency comb by employing the comb as a probe in optical-optical double-resonance…”
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Journal Article -
7
Recent advances in Fabry-Perot-based refractometry utilizing gas modulation for assessment of pressure
Published in Acta IMEKO (31-12-2020)“…Gas modulation refractometry (GAMOR) is a methodology that can mitigate the influence of fluctuations and drifts in Fabry-Pérot cavity–based refractometry…”
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Journal Article -
8
Faraday rotation spectrometer with sub-second response time for detection of nitric oxide using a cw DFB quantum cascade laser at 5.33 μm
Published in Applied physics. B, Lasers and optics (01-05-2011)“…A Faraday modulation spectrometer for sensitive and fast detection of nitric oxide at 5.33 μm utilizing a room temperature continuous wave distributed feedback…”
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Journal Article -
9
An invar-based fabry-perot cavity refractometer with a gallium fixed-point cell for assessment of pressure
Published in Acta IMEKO (31-12-2020)“…An Invar-based Fabry-Perot cavity refractometer equipped with an automated, miniaturized gallium fixed-point cell for assessment of pressure is presented. The…”
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Journal Article -
10
Detection of acetylene impurities in ethylene and polyethylene manufacturing processes using tunable diode laser spectroscopy in the 3-μm range
Published in Applied physics. B, Lasers and optics (01-11-2011)“…Using recently developed GaInAsSb/AlGaInAsSb DFB lasers, tunable diode laser spectroscopy (TDLS) has been extended into the 3-μm wavelength region for the…”
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Journal Article -
11
Two-step degenerate four-wave mixing as a means to decrease pre- and post-filtering effects in optically thick media
Published in Applied physics. B, Lasers and optics (01-07-1994)Get full text
Journal Article -
12
Experimental investigation of the effect of collisions and temperature on degenerate four-wave mixing
Published in Applied physics. B, Lasers and optics (1996)“…An experimental investigation (including a comparison with a simple theoretical model) of the effect of buffer-gas composition, pressure and temperature on…”
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Journal Article -
13
Laser frequency stabilization based on a universal sub-Doppler NICE-OHMS instrumentation for the potential application in atmospheric lidar
Published in Atmospheric measurement techniques (19-03-2019)“…Lidar is an effective tool for high-altitude atmospheric measurement in which a weak absorption line for the target gas is selected to ensure a large optical…”
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Journal Article -
14
Simulation of pressure-induced cavity deformation – the 18SIB04 Quantumpascal EMPIR project
Published in Acta IMEKO (31-12-2020)“…The 18SIB04 QuantumPascal EMPIR project aims for development of photon-based standards that can replace primary standards of the SI unit of pressure, the…”
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Journal Article -
15
A transportable refractometer for assessment of pressure in the kPa range with ppm level precision
Published in Acta IMEKO (2020)“…A transportable refractometer for assessment of kPa pressures with ppm level precision is presented. It is based on the GAs MOdulation Refractometry (GAMOR)…”
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Journal Article -
16
Faraday rotation spectrometer with sub-second response time for detection of nitric oxide using a cw DFB quantum cascade laser at 5.33 Delta mm
Published in Applied physics. B, Lasers and optics (01-05-2011)“…A Faraday modulation spectrometer for sensitive and fast detection of nitric oxide at 5.33 Delta *mm utilizing a room temperature continuous wave distributed…”
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Journal Article -
17
Quantitative description of Faraday modulation spectrometry in terms of the integrated linestrength and 1st Fourier coefficients of the modulated lineshape function
Published in Journal of quantitative spectroscopy & radiative transfer (01-11-2010)“…A quantitative description of the strength and shape of Faraday modulation spectrometry (FAMOS) signals is given. It is first shown how the signal can be…”
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Journal Article -
18
Studying element vaporization and atomization processes in electrothermal atomizers by laser-excited atomic fluorescence spectrometry : Indium, matrix effects
Published in Journal of analytical chemistry (New York, N.Y.) (2000)“…Indium vaporization and atomization processes were studied in a variable-pressure atomizer by laser-excited fluorescence spectrometry for various analyte…”
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Journal Article -
19
A Sticky Chain Model of the Elongation and Unfolding of Escherichia coli P Pili under Stress
Published in Biophysical journal (01-03-2006)“…A model of the elongation of P pili expressed by uropathogenic Escherichia coli exposed to stress is presented. The model is based upon the sticky chain…”
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Journal Article -
20
Investigation of evaporation and atomization processes in a variable-pressure electrothermal atomizer by laser spectroscopy using gallium as an example
Published in Journal of analytical chemistry (New York, N.Y.) (2000)“…A new approach to studying the evaporation and atomization of elements in graphite furnaces has been developed that combines a highly sensitive technique of…”
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Journal Article