Speed of Light and Angle of Propagation in an Absorbing Medium

William H. Southwell

doi:10.1364/OIC.2010.TuA8

Optical Interference Coatings
OSA Technical Digest (Optica Publishing Group, 2010),
paper TuA8
•https://doi.org/10.1364/OIC.2010.TuA8

Speed of Light and Angle of Propagation in an Absorbing Medium

William H. Southwell

Optical Interference Coatings 2010

Tucson, Arizona United States
6–11 June 2010
ISBN: 978-1-55752-891-9

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Design I and Theory (TuA)

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W. H. Southwell, "Speed of Light and Angle of Propagation in an Absorbing Medium," in Optical Interference Coatings, OSA Technical Digest (Optica Publishing Group, 2010), paper TuA8.

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Abstract

We show that light travels faster than c as it traverses thin layers of silver and gold and other materials. Also presented is an expression for the real angle of refraction in absorbing media.

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