Apparatus for measuring the cut-off wavelength of a single-mode

Details Apparatus for measuring the cut-off wavelength of a single-mode Apparatus for measuring the cut-off wavelength of a single-mode

1985-11-13

1987-01-13

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

G01N 2184

Patent

active

046360700

ABSTRACT:
An apparatus for measuring the cut-off wavelength of a single-mode optical fiber includes two fiber bending devices one of which provides the fiber, during test, with a large radius bend and the other of which provides the fiber, during test, with a small radius bend. The outputs from the fiber during the large and small radius bending are compared in order to precisely measure the cut-off wavelength.

REFERENCES:
patent: 4468117 (1984-08-01), Hartouni

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