News tagged with refractive index

Related topics:

Absorbing acoustics with soundless spirals

Researchers at the French National Centre for Scientific Research, CNRS, and the University of Lorraine have recently developed a design for a coiled-up acoustic metasurface which can achieve total acoustic absorption in ...

dateFeb 09, 2016 in General Physics
shares2096 comments 4

Optical fibre with Einstein effect

Researchers at the Max Planck Institute for the Science of Light in Erlangen have discovered a new mechanism for guiding light in photonic crystal fibre (PCF). PCF is a hair-thin glass fibre with a regular array of hollow ...

dateFeb 14, 2017 in Optics & Photonics
shares2206 comments 6

Bending light the 'wrong' way

(PhysOrg.com) -- Scientists have tried this with sophisticated meta-materials, but at the Vienna University of Technology (TU Vienna) it has now been done with simple metals; materials with a negative refractive index bend ...

dateAug 18, 2011 in General Physics
shares0 comments 9

Scientists reverse Doppler Effect

(PhysOrg.com) -- Researchers from Swinburne University and the University of Shanghai for Science and Technology have for the first time ever demonstrated a reversal of the optical ‘Doppler Effect’ – an advance ...

dateMar 07, 2011 in Optics & Photonics
shares0 comments 1