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 ...

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 ...

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 ...

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 ...