Improved spectrometer color filter array for software calibration without the need for laser

Researchers from the University of Stockholm in Sweden, the Nordic Institute for Theoretical Physics, and the University of Cafoscari in Venice, Italy have successfully demonstrated for the first time how lasers induce quantum behavior at room temperature and make non-magnetic materials magnetic. This breakthrough is expected to pave the way for faster and more energy-efficient computers, informat...

Japanese and Swiss scientists have collaborated to develop glass that can generate electricity under light, which may pave the way for sustainable energy production. Researchers from Tokyo Institute of Technology and the Swiss Federal Institute of Technology in Lausanne used femtosecond lasers to etch circuits on glass surfaces, resulting in the unexpected generation of semiconductor crystals.The ...

Typically, for lasers in optical communication systems, waveguide designs are used to achieve a single transverse mode. By adjusting the thickness of the surrounding area of the cladding layer and the etching depth of the ridge in the ridge waveguide device, a single mode device can be obtained. The importance of lasers is reflected in the following aspects:A chip without ridge waveguide design an...

Virtual and Physical Prototypes: X-ray laser direct writing 3D nanolithography.Multi-photon polymerization (MPP), also known as 3D nanoprinting, has been investigated using wavelength-tunable femtosecond lasers. At a fixed pulse width of 100 fs, any spectral color in the range of 500nm to 1200nm can be used, which reveals the interaction of more subtle photophysical mechanisms than two-photon phot...

Scientists at the Technical University of Munich have made significant progress in measuring the Earth's rotation with unprecedented accuracy. Now, the ring laser from the Wettzell Geodetic Observatory can be used to capture data at a quality level unmatched anywhere in the world. These measurements are crucial for determining the position of the Earth in space, assisting climate research, and imp...