Scanning electron microscopy, confocal Raman microscopy, and X-ray photoelectron spectroscopy were employed to examine the morphology of the diffraction grating on the sample surface following ...

Up to now, optical combining elements such as gratings and dichroic mirrors for wavelengths around 2 µm were only available for laser powers of a few hundred watts. “However, our colleagues at the ...

MTG-S1 will carry several scientific instruments, including the Copernicus Sentinel-4 spectrometer. This instrument collects detailed hourly data on the three-dimensional distribution of trace gases ...

Using specialized diffraction gratings, a laser, and a few lines of code, he explores a unique way of projecting hologram-like images on his path to the chocolate hologram. There’s a lot of ...

Abstract: This paper presents an effective method to achieve multiwavelength collinear laser scanning using micromachined vibratory grating scanners, which have the potential to scan at high ...

laser power fluctuation, speckle noise, electronic noise, etc. Given the above background, we proposed a modified LTDS using a diffraction grating to improve the dynamic range and precision ...

transmission are not the last words in diffraction grating selection ... material in a selective manner to the substrate to a laser-generated optical interference pattern of exceptional uniformity.

Multi-petawatt laser technology opens the door to groundbreaking ... MLD gratings can substantially enhance the diffraction efficiency of grating compressors over a large bandwidth, or range of ...

An invisible grating made only of air is not only immune to damage from the laser light ... can be used to make optical components known as diffraction gratings. The resulting lightweight ...