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Appl Opt. 1998 May 20;37(15):3198-200.

Is polar bear hair fiber optic?

Author information

1
Department of Physics, St. Lawrence University, Canton, New York 13617, USA.

Abstract

New direct measurement of high optical attenuation rates in polar bear hairs--2-8 dB/mm in the visible--and reanalysis of the data of Tributsch et al. [Sol. Energy Mater. 21, 219 (1990)] seem to rule out the UV waveguiding proposed by Grojean et al. [Appl. Opt. 19, 339 (1980)]. The case against fiber-optic polar bear hairs is summarized, and four conditions are given that any variation of the model of Grojean et al. would have to satisfy.

PMID:
18273269
DOI:
10.1364/ao.37.003198

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