A review of signal enhancement and noise reduction techniques for tunable diode laser absorption spectroscopy

J Li, B Yu, W Zhao, W Chen - Applied Spectroscopy Reviews, 2014 - Taylor & Francis
Tunable diode laser absorption spectroscopy (TDLAS), as a noninvasive spectroscopic
method, permits high-resolution, high-sensitivity, fast, in situ absorption measurements of …

Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy: Current status and future potential

A Foltynowicz, FM Schmidt, W Ma, O Axner - Applied Physics B, 2008 - Springer
As a result of a combination of an external cavity and modulation techniques, noise-immune
cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) is one of the …

Introduction to cavity enhanced absorption spectroscopy

D Romanini, I Ventrillard, G Méjean, J Morville… - Cavity-Enhanced …, 2014 - Springer
In this introductory chapter we will begin with an historical outline of the development of
cavity enhanced absorption methods, with just enough attention to the applications that …

Advances in cavity-enhanced methods for high precision molecular spectroscopy and test of fundamental physics

L Gianfrani, SM Hu, W Ubachs - La Rivista del Nuovo Cimento, 2024 - Springer
Cavity-enhanced spectroscopic techniques are highly sensitive laser-based methods for
interrogating the atomic and molecular constituents of any gaseous medium that is confined …

Theoretical description of Doppler-broadened noise-immune cavity-enhanced optical heterodyne molecular spectroscopy under optically saturated conditions

W Ma, A Foltynowicz, O Axner - JOSA B, 2008 - opg.optica.org
A theoretical description of Doppler-broadened noise-immune cavity-enhanced optical
heterodyne molecular spectroscopy (NICE-OHMS) under optically saturated conditions is …

Shot-noise-limited Doppler-broadened noise-immune cavity-enhanced optical heterodyne molecular spectrometry

G Zhao, T Hausmaninger, W Ma, O Axner - Optics Letters, 2018 - opg.optica.org
Shot-noise-limited Doppler-broadened (Db) noise-immune cavity-enhanced optical
heterodyne molecular spectrometry (NICE-OHMS) has been realized by implementation of …

Sub-Doppler dispersion and noise-immune cavity-enhanced optical heterodyne molecular spectroscopy revised

O Axner, W Ma, A Foltynowicz - JOSA B, 2008 - opg.optica.org
An expression for the peak-to-peak sub-Doppler optical phase shift of two
counterpropagating modes of light, to which the noise-immune cavity-enhanced optical …

NICE-OHMS—frequency modulation cavity-enhanced spectroscopy—principles and performance

O Axner, P Ehlers, A Foltynowicz, I Silander… - Cavity-Enhanced …, 2014 - Springer
Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy (NICE-OHMS)
is a sensitive technique for detection of molecular species in gas phase. It is based on a …

Characterization of fiber-laser-based sub-Doppler NICE-OHMS for quantitative trace gas detection

A Foltynowicz, W Ma, O Axner - Optics Express, 2008 - opg.optica.org
The potential of fiber-laser-based sub-Doppler noise-immune cavity-enhanced optical
heterodyne molecular spectrometry for trace gas detection is scrutinized. The non-linear …

[HTML][HTML] Fiber-laser-based noise-immune cavity-enhanced optical heterodyne molecular spectrometry instrumentation for Doppler-broadened detection in the 10-12 …

P Ehlers, I Silander, J Wang, O Axner - Journal of the Optical Society …, 2012 - diva-portal.org
A fiber-laser-based noise-immune cavity-enhanced optical heterodyne molecular
spectrometry (FL-NICE-OHMS) system for white-noise-limited Doppler-broadened detection …