Physicists at Harvard University in the US have built a silicon waveguide that exhibits a refractive index of, or close to, zero when operating at near-infrared telecom wavelengths. The waveguide can ...

Please provide your email address to receive an email when new articles are posted on . The past year has been a momentous one in the area of wavefront analysis, most notably marked by a significant ...

The phenomenon of zero refractive index, exhibited by ZIMs, has proven highly useful, especially in the fields of waveguiding and optics. Silicon carbide, classified as a polaritonic material, ...

The Optilab ® differential refractive index (dRI) detector may be used in conjunction with any HPLC, FPLC, GPC or FFF separation system, plus a Wyatt DAWN ® or miniDAWN ® multi-angle light scattering ...

Please provide your email address to receive an email when new articles are posted on . NASHVILLE, Tenn. — Wave-guided optics application technology may now help patients with keratoconus, according ...

There has been interest in the Negative Refraction Index (NRI) material at optical frequencies. There are two approaches to optical frequencies. 1)Volumetric structure: it is based on the spherical ...

The original goal was to investigate biological samples on a molecular scale – but this soon led to stubborn technical problems. Eventually, however, the researchers realized that the very source of ...