A research team has successfully synthesized a new class of helical quinolizinium salts exhibiting exceptionally strong fluorescence in the orange-to-red light region (606–682 nm). Smart glasses that ...

Asahi Kasei Corporation succeeded in designing a laser diode that emits deep-ultraviolet light. The laser diode emits the world’s shortest lasing wavelength, at 271.8 nanometers (nm), under pulsed ...

Researchers say they have designed a laser diode that emits the shortest-wavelength ultraviolet light to-date, with potential applications in disinfection, dermatology, and DNA analyses. Nagoya ...

Nagoya University scientists, in cooperation with Asahi Kasei Corporation, have succeeded in designing a laser diode that emits deep-ultraviolet light, according to research published in the journal ...

中国LED车灯行业正从单一照明向智能光控系统进化，技术迭代呈现“硬科技+软协同”特征。2025年，ADB自适应远光灯渗透率预计突破45%，通过多传感器融合实现毫秒级光束动态调整，夜间会车眩光事故率降低70%；激光大灯采用氮化镓材料创新，体积缩小50%、能耗降低60%，照射距离突破800米，成为高端电动车标配。更值得关注的是，车灯与ADAS系统深度耦合，例如AFS自适应前大灯与高精地图联动，在弯道前 ...

Colloidal quantum dots (QDs) exhibit exceptional properties of narrow-band emission, tunable luminescent wavelength, high luminous efficiency, and remarkable material stability across the visible and ...

Efficient near-infrared (NIR) light-emitting diodes of perovskite have now been produced in a lab. The external quantum efficiency is 21.6%, which is a record. Efficient near-infrared (NIR) ...

Light can be produced and/or controlled electronically in a number of ways. Among the widely used of all the different types of semiconductor diodes are the Light Emitting Diodes or LEDs. It is a PN ...

When a supersonic aircraft goes faster than the speed of sound, it produces a shockwave or sonic boom. MIT researchers have found a similar optical effect in graphene that causes an optical boom and ...