When light moves from one medium to another as in the figure to the right, it changes direction. it is refracted .A double-periodic array of pairs of parallel gold nanorods is shown to have a negative ...

When evaluating a patient who is unhappy with his or her cataract surgery yet has good Snellen visual acuity, we should approach the patient like one who is unhappy with a new pair of glasses.

Engineers at the University of California, Berkeley, have created mirrors that pack the same 99.9% reflectivity as current distributed Bragg reflector (DBR) mirrors, but do so in packages 20 times ...

(Nanowerk Spotlight) Manipulating light is crucial for modern technologies, from the optical fibers transmitting internet data to the lasers in our smartphones. Despite significant advancements, our ...

Goeroptics, a world's leading AR&MR solution provider, unveiled a suite of advanced XR optical solutions at SPIE AR|VR|MR 2026. The company debut its ...

Unwanted reflections limit the performance of light-based technologies, such as solar cells, camera lenses, and light-emitting diodes (LEDs). In solar cells, for example, reflections mean less light ...

Engineers at UC Berkeley have created a new high-performance mirror that packs the same 99.9 percent reflective punch as current high-grade mirrors, but in a package that is 20 times thinner and ...

Antireflective coatings are applied to many optical materials, from everyday glasses to imaging instrumentation, to help the surface absorb light so that it doesn’t interfere with the user. In this ...