The ZJNU project has developed an alternative approach based on saturated absorption cavity ring-down (SCAR) spectroscopy, and published the results in Optics Express. Ring-down methods, based on ...

of the Chinese Academy of Sciences recently developed a neural network-based absorbance recovery method to improve the ...

Spectroscopy with quantum light enhances sensitivity and precision, revolutionizing material analysis, environmental ...

Multiphoton absorption is highly dependent on the laser peak power ... However, for research and spectroscopy in which flexibility in wavelength, pulse duration and power are essential, the ...

The objective of the research in the atomic and molecular laser spectroscopy laboratory is to gain knowledge about the basic properties of ions and neutral atoms and molecules, with a particular ...

laser induced fluorescence line narrowing, time resolved site selection spectroscopy, and Raman spectroscopy at temperatures ranging from liquid helium temperature (4 K) to 500 K and excitation with ...

"Notably, upon turning a single racetrack laser on ... such as dual-comb spectroscopy. Both frequency combs emitted from the coupled lasers can probe gas absorption lines, and by mixing the ...

In a previous study, for example, Liang and his colleagues used this laser absorption detection principle to screen human breath samples for signs of SARS-CoV-2 infections. Frequency combs are ...

A research team led by Prof. Gao Xiaoming from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences ...

Nonlinear optical frequency conversion is an important enabling technology for a variety of applications, especially laser spectroscopy. Molecular spectroscopy experiments typically require light in ...

When laser spectroscopy is combined with microscopy, spatial variations of the chemical compositions of both organic and inorganic samples can be precisely determined. One of the spectroscopic ...