Interferometers

Details Interferometers Interferometers

1985-08-01

1988-02-16

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

250227, G01B 902

Patent

active

047251417

ABSTRACT:
A Mach Zehnder interferometer with arms of equal length is formed between two optic fibres. This is achieved by locating the lightly tensioned fibres in a generally parallel configuration and forming optical couplings between them at points which lie on the center-line of the configuration. Preferably the couplings are formed by a fused biconical tapering technique.

REFERENCES:
patent: 4291940 (1981-09-01), Kawasaki et al.
patent: 4376247 (1983-03-01), Humphrey
patent: 4376248 (1983-03-01), Giallorenzi et al.
patent: 4524322 (1985-06-01), Bobb
Barnoski et al., "Fabrication of an Access Coupler with Single-strand Multimode Fiber Waveguides", Applied Optics, vol. 15, No. 11, pp. 2629-2630, 11/76.
Sheem et al., "Wavelength Monitoring of Single-mode Diode Laser Using Guided-wave Interferometer", Optics Letters, vol. 5, No. 5, pp. 179-181, 5/80.
Giallorenzi et al., "Optical Fiber Sensor Technology", IEEE J. Quant. Elec., vol. QE-18, No. 4, p. 652, 4/82.
Kawasaki et al., (OL), "Biconical-taper Single-mode Fiber Coupler", Optics Letters, vol. 6, No. 7, pp. 327-328, 7/81.

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