Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...

Terahertz radiation (THz), electromagnetic radiation with frequencies ranging from 0.1 and 10 THz, is central to the ...

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

The light of the flame was examined with a Rowland’s grating. Whenever the circuit was closed both D lines were seen to widen. Since one might attribute the widening to the known effects of the ...

For centuries, space travel has been limited by traditional propulsion methods, with chemical rockets remaining the primary ...

Women's Basketball hits the road to face the No. 12 Tar Heels in Chapel Hill, N.C. at 7 p.m. ET on ACCNX. Do you love your Hokies? Stay engaged year-round with the HokieSports mobile app to receive ...

Jan. 30, 2025 — Researchers developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot ... Optical Fiber Sensor ...