Physics - Optics & Photonics news

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’ ...

dateMar 07, 2011 in Optics & Photonics
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Building a more versatile laser

(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...

dateNov 16, 2009 in Optics & Photonics feature
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First, fast, and faster

(Phys.org) -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks ...

dateApr 06, 2012 in Optics & Photonics
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