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The construction, calibration, and use of an integrating cube scattering detector used to measure scattering losses in optical fibers is described. The detector consists of six 1-cm sq silicon solar cells, each sensitive surface of which comprises one interior surface of a cube 1 cm on edge. Small holes in the center of two opposite faces of the cube permit the optical fiber to pass through the detector so that all the scattered light falls on a photosensitive surface.
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A. R. Tynes (1970) studied this question.
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