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High progress in optoelectronics technology, especially designed for infrared wavelength region (IR), is observed. The use of various spectroscopic methods allows to obtain detailed information on the chemical analysis of the leaking gas. Each of the spectroscopy methods is dedicated to different types of concentration measurements. We encourage you to read the article that explains and presents laser gas leak detection with infrared.

Spectrometry in plant science: Studying solar energy production using transient absorption, including direct kinetic and spectral measurements of photo-induced electron transfer reactions

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In this application note, Edinburgh Instruments utilises a Transient Absorption Spectrometer featuring dual detector options for direct kinetic and spectral measurements to Study a Molecular Triad’s Photoinduced Electron Transfer Reactions.

The laser operates in fundamental mode with beam quality M2 < 1.05 for both beams. The beam shape is recorded at the output of the oscillator (magnified image of the output coupler) on a WinCamD-LCM-NE 1” beam profiler at the nominal operation point of the laser with 3.7 A pump current, approx. 7.8 W total pump power and 440 mW average output power from each comb.

Single laser emits high-power dual comb femtosecond pulses

The new development paves the way for portable dual-comb light sources for applications such as spectroscopy and precision distance measurement


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