Differential absorption LiDAR (DIAL) is an advanced laser remote sensing technique that can accurately measure the concentration and distribution of pollutants, greenhouse gases, and industrial emissions.
This article discusses the importance of geometrical optics, recent developments in this field, and the application of geometrical optics for light propagation analysis in microscale structures, specifically multi-mode fibers.
By Samudrapom Dam
5 Oct 2023
Raman spectroscopy requires a concentrated source of light, such as a laser, to generate a Raman signal from a sample. The characteristics of the Raman excitation laser/Raman laser primarily affect the quality of the Raman spectrum.
By Samudrapom Dam
4 Oct 2023
In an article recently published in the journal Applied Physics Express, researchers designed and fabricated a human-safe transverse quasi-phase-matched (QPM) aluminum nitride (AlN) channel waveguide with vertical polarity inversion that can kill pathogens on surfaces.
By Samudrapom Dam
2 Oct 2023
This article explores how key optical methodologies are applied to inspection, metrology, and analysis at various stages of semiconductor research, development, and volume manufacturing.