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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

Plasma monitoring with modular, high-resolution spectroscopy

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A modular spectroscopy setup based on an Ocean Insight HR series high resolution spectrometer was used to monitor changes in argon plasma emission following the introduction of different gases to a plasma chamber. The measurements demonstrated the viability of modular spectroscopy components to acquire plasma emission spectra in real time from a plasma chamber. Plasma characteristics determined from these emission spectra can be used for monitoring and controlling plasmabased processes.

Every grain counts

How will the world feed 10 billion people by 2050 with no new land for agriculture? Greg Blackman speaks to machine builder Bühler about how optical sensing can maximise yield in grain processing


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