Technical Digest, Symposium on Optical Fiber Measurements, 1980 (Classic Reprint) - Hardcover

G. W. Day

9780265843789: Technical Digest, Symposium on Optical Fiber Measurements, 1980 (Classic Reprint)

Hardcover

ISBN 10: 0265843782 ISBN 13: 9780265843789

Publisher: Forgotten Books, 2018

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Excerpt from Technical Digest, Symposium on Optical Fiber Measurements, 1980

Because of chromatic aberrations of the microscope objective lenses, the launch optics has to be readjusted for na-dependent loss measurements in the 1.3um wavelength region. The loss-versus-na de pendencies of several sub - 1 db/km ge-p - doped fibers measured at pm are similar to those observed at 0.82um some with a steadily increasing, and some with a parabolic dependence) (fig. MW data were typically within to 0.2db/km (max. Difference) of the steady - state losses determined with matched-beam launch optics.

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