Search Results - "Hausmaninger, Thomas"

Broadband calibration-free cavity-enhanced complex refractive index spectroscopy using a frequency comb by Johansson, Alexandra C, Rutkowski, Lucile, Filipsson, Anna, Hausmaninger, Thomas, Zhao, Gang, Axner, Ove, Foltynowicz, Aleksandra

“…We present broadband cavity-enhanced complex refractive index spectroscopy (CE-CRIS), a technique for calibration-free determination of the complex refractive…”
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Gas modulation refractometry for high-precision assessment of pressure under nonerature-stabilized conditions by Silander, Isak, Hausmaninger, Thomas, Zelan, Martin, Axner, Ove

“…The authors report on the realization of a novel methodology for refractometry - GAs modulation refractometry (GAMOR) - that decreases the influence of drifts…”
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The structure of graphene oxide membranes in liquid water, ethanol and water-ethanol mixtures by Talyzin, Alexandr V, Hausmaninger, Tomas, You, Shujie, Szabó, Tamás

“…The structure of graphene oxide (GO) membranes was studied in situ in liquid solvents using synchrotron radiation X-ray diffraction in a broad temperature…”
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Gas modulation refractometry for high-precision assessment of pressure under non-temperature-stabilized conditions by Silander, Isak, Hausmaninger, Thomas, Zelan, Martin, Axner, Ove

“…The authors report on the realization of a novel methodology for refractometry—GAs modulation refractometry (GAMOR)—that decreases the influence of drifts in…”
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Differential noise-immune cavity-enhanced optical heterodyne molecular spectroscopy for improvement of the detection sensitivity by reduction of drifts from background signals by Zhao, Gang, Hausmaninger, Thomas, Ma, Weiguang, Axner, Ove

“…The detection sensitivity of noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) is often limited by background signals that…”
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Narrowing of the linewidth of an optical parametric oscillator by an acousto-optic modulator for the realization of mid-IR noise-immune cavity-enhanced optical heterodyne molecular spectrometry down to 10(-10) cm(-1) Hz(-1/2) by Hausmaninger, Thomas, Silander, Isak, Axner, Ove

“…The linewidth of a singly resonant optical parametric oscillator (OPO) has been narrowed with respect to an external cavity by the use of an acousto-optic…”
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Sensitive and broadband measurement of dispersion in a cavity using a Fourier transform spectrometer with kHz resolution by Rutkowski, Lucile, Johansson, Alexandra C, Zhao, Gang, Hausmaninger, Thomas, Khodabakhsh, Amir, Axner, Ove, Foltynowicz, Aleksandra

“…Optical cavities provide high sensitivity to dispersion since their resonance frequencies depend on the index of refraction. We present a direct, broadband,…”
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Narrowing of the linewidth of an optical parametric oscillator by an acousto-optic modulator for the realization of mid-IR noise-immune cavity-enhanced optical heterodyne molecular spectrometry down to 10^−10 cm^−1 Hz^−1/2 by Hausmaninger, Thomas, Silander, Isak, Axner, Ove

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High-resolution trace gas detection by sub-Doppler noise-immune cavity-enhanced optical heterodyne molecular spectrometry: application to detection of acetylene in human breath by Zhao, Gang, Hausmaninger, Thomas, Schmidt, Florian M, Ma, Weiguang, Axner, Ove

“…A sensitive high-resolution sub-Doppler detecting spectrometer, based on noise-immune cavity-enhanced optical heterodyne molecular spectrometry (NICE-OHMS),…”
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Depletion of the vibrational ground state of CH4 in absorption spectroscopy at 3.4 µm in N2 and air in the 1–100 Torr range by Hausmaninger, Thomas, Zhao, Gang, Ma, Weiguang, Axner, Ove

“…•Depletion of vibrational ground state of CH4 in N2 & air in absorption is shown (81)•A model for depletion in CH4 and 13CH4 in N2 and air at 1–100 Torr is…”
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Sensitive and broadband measurement of dispersion in a cavity using a Fourier transform spectrometer with kHz resolution: erratum by Rutkowski, Lucile, Johansson, Alexandra C, Zhao, Gang, Hausmaninger, Thomas, Khodabakhsh, Amir, Axner, Ove, Foltynowicz, Aleksandra

“…We correct the values of the group delay dispersion of the cavity mirrors and N , as well as the concentration of CO , obtained from the measurement of the…”
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Doppler-broadened NICE-OHMS beyond the cavity-limited weak absorption condition – I. Theoretical description by Ma, Weiguang, Silander, Isak, Hausmaninger, Thomas, Axner, Ove

“…Doppler-broadened (Db) noise-immune cavity-enhanced optical heterodyne molecular spectrometry (NICE-OHMS) is conventionally described by an expression (here…”
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Depletion of the vibrational ground state of CH 4 in absorption spectroscopy at 3.4 μm in N 2 and air in the 1-100Torr range by Hausmaninger, Thomas, Zhao, Gang, Ma, Weiguang, Axner, Ove

“…A model presented in an accompanying work predicts that mid-IR absorption signals from methane in trace concentrations in various buffer gases detected at…”
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Doppler-broadened NICE-OHMS beyond the cavity-limited weak absorption condition – II: Experimental verification by Hausmaninger, Thomas, Silander, Isak, Ma, Weiguang, Axner, Ove

“…Doppler-broadened (Db) noise-immune cavity-enhanced optical heterodyne molecular spectrometry (NICE-OHMS) is normally described by an expression, here termed…”
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Noise-immune cavity-enhanced analytical atomic spectrometry — NICE-AAS — A technique for detection of elements down to zeptogram amounts by Axner, Ove, Ehlers, Patrick, Hausmaninger, Thomas, Silander, Isak, Ma, Weiguang

“…Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) is a powerful technique for detection of molecular compounds in gas phase…”
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Narrowing of the linewidth of an optical parametric oscillator by an acousto-optic modulator for the realization of mid-IR noise-immune cavity-enhanced optical heterodyne molecular spectrometry down to 10⁻¹⁰ cm⁻¹ Hz by Hausmaninger, Thomas, Silander, Isak, Axner, Ove

“…The linewidth of a singly resonant optical parametric oscillator (OPO) has been narrowed with respect to an external cavity by the use of an acousto-optic…”
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A transportable refractometer for assessment of pressure in the kPa range with ppm level precision by Forssén, C., Silander, I., Szabo, D., Jönsson, G., Bjerling, M., Hausmaninger, T., Axner, O., Zelan, M.

“…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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Model for molecular absorption spectroscopy in the 1-100 Torr range in the presence of vibrational depletion - Applied to $\text{CH}_4$ in $\text{N}_2$ and dry air by Hausmaninger, Thomas, Ma, Weiguang, Axner, Ove

“…When molecules whose collision induced vibrational decay rates are small are probed by molecular absorption spectroscopic (MAS) techniques the absorption…”
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Gas equilibration gas modulation refractometry (GEq-GAMOR) for assessment of pressure with sub-ppm precision by Silander, Isak, Hausmaninger, Thomas, Forssén, Clayton, Zelan, Martin, Axner, Ove

“…A novel realization of Gas Modulation Refractometry (GAMOR) that outperforms the original realization [Single Cavity Modulated GAMOR (SCM-GAMOR)], is…”
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Fast Switching Dual Fabry-Perot-Cavity-based Optical Refractometry for Assessment of Gas Refractivity and Density - Estimates of Its Precision, Accuracy, and Temperature Dependence by Zelan, Martin, Silander, Isak, Hausmaninger, Thomas, Axner, Ove

“…Dual Fabry-Perot-Cavity-based Optical Refractometry (DFCB-OR) have been shown to have excellent potential for characterization of gases, in particular their…”
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