A property of a material that changes the speed of light, computed as the ratio of the speed of light in a vacuum to the speed of light through the material. When light travels at an angle between two ...

Toyohashi University of Technology researchers in collaboration with Massachusetts Institute of Technology (MIT), have developed a new material capable of retaining high transmissivity after thermal ...

A groundbreaking sulfur-rich polymer lens for thermal imaging optics shows high refractive index and LWIR transparency, ...

WEST LAFAYETTE, Ind. – Engineers at Purdue University are the first researchers to create a material that has a "negative index of refraction" in the wavelength of light used for telecommunications, a ...

A research team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has advanced the characterization and retrieval capability evaluation of microphysical properties of ...

Please provide your email address to receive an email when new articles are posted on . There are some differences in cross-linking in post-refractive ectasia vs. keratoconus. The ability to ...

A project at the University of Twente has carried out two investigations into the optical properties of human milk. Published ...

Please provide your email address to receive an email when new articles are posted on . LASIK, PRK and SMILE can all provide positive long-term vision results, but advancements in corneal and ...