Workshop on Advanced Optical Spectroscopy for Gas Detection

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Co-Hosts: Tuomas Hieta (Gasera) & Geoff Barwood (NPL)

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Preliminary programme (20-minute talks + 5-minute questions)

09:15 Welcome

Introduction – sensing applications and laser spectroscopy

09:30 “Optical gas sensing applications”

Tuomas Hieta, Gasera

09:55 “Introduction to laser spectroscopy”

Geoff Barwood, NPL

Cavity-based techniques

10:20 “Cavity ring-down spectrometer based on a widely tunable MIR OPO” Heleen Meuzelaar, VSL

10:45 “Noise-immune cavity enhanced optical heterodyne molecular spectroscopy (NICE-OHMS) – ultra-sensitive gas sensing”

Nicola Black, NPL

11:10 Virtual tea/ coffee break

Single laser frequency spectroscopic techniques

11:30 “Optical detection of reactive gases”

Timo Rajamäki, VTT & Optoseven

11:55 “Progressing optical gas standard concepts – from environmental measurements to industrial process control and AMC monitoring”

Zhechao Qu, PTB

12:20 “Industrial applications of laser dispersion spectroscopy”

Richard Kovacich, Mirico

12:45 “Cantilever enhanced photoacoustics (CEPAS) in gas sensing”

Tuomas Hieta, Gasera

13:00 Lunch

Comb-based techniques

14:00 “Watt-level, super-octave mid-IR frequency combs”

Sergey Vasilyev, IPG Photonics

14:25 “High-resolution gas phase spectroscopy with quantum cascade laser frequency combs”

Markus Mangold, IR Sweep

14:50 “Gas sensing using Fourier transform spectroscopy based on optical frequency combs”

Lucile Rutkowski, Université de Rennes

15:15 “Photo-acoustic spectroscopy and hyperspectral gas imaging with dual-frequency combs”

Tobias Herr, Swiss Centre for Electronics and Microtechnology

15:40 Closing Remarks

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