Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1979-08-15
1984-03-27
Lee, John D.
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250227, 350 9620, 350320, G02B 726
Patent
active
044390050
ABSTRACT:
A branching device for branching a light component out of an optical waveguide characterized by a pair of carriers each supporting a waveguide, a supporting arrangement for supporting the carriers with the end surfaces of the waveguide spaced apart by a reflective layer of a beam divider sandwiched between the end surfaces and a detector arranged to receive the light coupled by the reflective layer from the waveguides. A method of forming the device preferably provides a common member having a waveguide, severing the member along a plane extending obliquely to the axis of the waveguide to form the two halves or carrier members, optically polishing the cut surfaces of the halves, applying a reflective layer of the beam divider on a polished cut surface of one of the carrier members. Then the carriers are formed into a waveguide unit with the polished, cut surfaces separated by the layer of the beam divider. The waveguide unit is then either assembled in a support carrier or directly positioned within a tubular sleeve member having an opening for the photo detector and the parts are arranged so that the light component will be received by the photo detector.
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Bloem et al., "Fiber-Optic Coupler", IBM Tech. Discl. Bull., vol. 16, No. 1, Jun. 1973, pp. 146-147.
Kuwahara et al., "A Semi-Transparent Mirror-Type . . . ", IEEE Trans. on Microwave Th. & Tech., Jan. 1975, pp. 179-180.
Mahlein et al., "An Integrated Optical TE-TM Mode Splitter", Applied Physics, vol. 7, No. 1, May 1975, pp. 15-20.
Kobayashi et al., "Micro-Optics Devices for Branching . . . ", Intl. Conf. of Int. Optics & Opt. Fiber Commun., 1977, paper B11-3, (pp. 367-370).
Lee John D.
Siemens Aktiengesellschaft
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