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 ...

Diode arrays, such as a SIP diode array, are a single inline or system packaged diode array ... It can be used with green LEDs for optical heart rate detection and red LEDs for pulse oximetry ...

Our favourite celebrity red carpet moments. From glamorous evening gowns at the Golden Globes, Oscars and the BAFTAs to the standout beauty looks at glittering movie premieres, we have all the ...

Sun Haiding from the University of Science and Technology of China (USTC) developed a vertically integrated micro-scale light-emitting diode (micro-LED) array which was then applied in deep ...

A constant current diode provides good temperature stability and does not require any biasing. Some specifications of a laser driver current limit diode (LCLD) include current ranges of 0 to ± 20mA, ± ...

Red light therapy uses light-emitting diodes (LEDs) to treat medical and cosmetic conditions. Some people use it to reduce wrinkles, scars, and acne. It can also be used for dental pain, hair loss, ...

A newly developed air defense laser has 100 percent of incoming threats during a new trial, the U.K. government has said, as several militaries forge ahead with efforts to get lasers operational ...

The key is a possibly gray market very large green laser array. It appears to have at least 24 lasers and some pretty serious lenses. He tested the array first with a power supply and it looked ...