Scientists have discovered novel optical properties in arsenic trisulfide (As2S3), a crystalline van der Waals semiconductor.

Crystalline arsenic trisulfide shows record photorefractive response and can be laser-patterned at 500-nm resolution without ...

A light-sensitive crystal is opening the door to a new era of “light-written” technology. Arsenic trisulfide can be reshaped ...

Researchers successfully conducted a room-temperature continuous-wave lasing of a deep-ultraviolet laser diode (wavelengths down to the UV-C region). A research group led by 2014 Nobel laureate ...

Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table—the "silicon group." The rapid ...

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing applications; however, previous UV-B laser diodes were limited to pulsed operation ...

Please provide your email address to receive an email when new articles are posted on . Dr. Noemi Lois is a clinical professor at Queen’s University Belfast and a consultant ophthalmologist and ...

Please provide your email address to receive an email when new articles are posted on . WAILEA, Hawaii — In this Healio Video Perspective from Hawaiian Eye 2024, Joan Stauffer, director of marketing ...

From X-ray imaging to UV lasers, new chip research highlights the need for precision operations, technician pipelines, and ...

A compact ultraviolet-B (UV-B) semiconductor laser diode emitting at 318 nm under continuous-wave operation at room-temperature. The device demonstrates stable UV-B lasing on a low-cost sapphire ...