Apparatus for measuring transmission characteristics of an optic

Details Apparatus for measuring transmission characteristics of an optic Apparatus for measuring transmission characteristics of an optic

1985-11-08

1988-08-30

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

250213VT, 356319, G01N 2184, G01D 342

Patent

active

047672072

ABSTRACT:
An apparatus for measuring transmission characteristics of a short optical fiber comprises a streak tube having a photoelectron-emitting surface for receiving through a connector light pulses transmitted simultaneously through a reference optical fiber and an optical fiber under test. The light pulses are generated by a laser and cause the streak tube to generate an optical output signal indicating time-wise changes in the luminance of the pulses transmitted through each of the optical fibers such that differences in light transmission characteristics between the reference optical fiber and the optical fiber under test may be determined.

REFERENCES:
patent: 4309105 (1982-01-01), Lebduska
patent: 4352127 (1982-09-01), Tsuchiya
patent: 4611920 (1986-09-01), Tsuchiya
Cohen et al., "Interferometric Measurements of Minimum Dispersion in Short Lengths of Single Mode Fibre", Electronics Letters, 6/82, pp. 564-566, vol. 18, #13.
Gulyaev et al., "Method of Measuring the Dispersion in Multimode Optical Fibers", Sov. J. of Quan Electronics 10(8) Aug. 1980, pp. 986-989.
Barthelemy et al., "New Method for Precise Characterisation of Multimode Fibers", Electronics Letters, Mar. 18, 1982, vol. 18, #6, pp. 247-249.

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