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'Quantum Pointer' Improves Measurements

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Daniel S. Burgess

An optical system called a "quantum laser pointer," developed by scientists at Australian National University in Canberra and at Université Pierre et Marie Curie in Paris, promises to improve measurements of the position of a laser beam. The system may have implications for microscopy and for the characterization of such phenomena as refractive index gradients. Nicolas Treps of the university in France explained that the quantum laser pointer is a beam of light in which the photons are spatially ordered. In a demonstration of the technique, the researchers mixed 1064-nm laser radiation in...Read full article

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    Published: October 2003
    Australian National UniversityBasic ScienceLaser BeamMicroscopymode-mixing cavityphotonsquantum laser pointerResearch & TechnologySensors & Detectors

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