Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1998-01-07
2000-07-04
Moore, Margaret G.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 43, 385143, 385145, 359288, 359139, C08G 7724, C08G 7718, G02B 610
Patent
active
060840501
ABSTRACT:
In a digital thermo-optic switch and an optical ADM filter of the present invention, functional components such as a splitter and a grating structure part formed in the course of an optical circuit as a component are composed of silicone materials which are superior in heat resistance, reduced loss, and low birefringence, thereby achieving sufficiently practical thermal stability, low loss at 1.55 to 1.58 .mu.m band, wavelength selectivity, and cost reduction.
REFERENCES:
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Keil N. et al., Rearrangeable Nonblocking Polymer Waveguide Thermo-Optic 4.times.4 Switching Matrix With Low Power Consuption at 1.55 .mu.m, Electronic Letters, vol. 31 No. 5, Mar. 1995.
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Horsthuis and Lytel, Prospects for Integrated Optic Polymer Components, Akzo Nobel Electronic Products, The Netherlands, Apr. 1995.
Borreman, et al, Polymeric 8.times.8 Digital Optical Switch Matrix, Akzo Nobel Central Research, 22nd European Conference on Optical Communication, The Netherlands, ECOC 1996.
Keil, et al, A Novel Type of 2.times.2 Digital Optical Switch Realized by Polymer Waveguide Technology, Heinrich-Hertz Institu fur Nachrichtentechnik Berlin, GmbH, Materials Technology Department, Berlin Germany, 22nd European Conference on Optical Communication, ECOC 1996.
Diemeer, et al, Polymeric Phased Array Wavelength Multiplexer Operating Around 1550 nm, Electronics Letters, pp. 1132-1133, Jun. 6, 1996, vol. 32, No. 12.
Takiguchi, et al, Fabrication of the Add/Drop Multiplexer (ADM) and Tests, 1995 General Meeting of the Institute of Electronics, Information and Communication Engineers, p. 254, 1995.
Hayashida Shoichi
Imamura Saburo
Inoue Yasuyuki
Ishii Tetsuyoshi
Kurihara Takashi
Moore Margaret G.
Nippon Telegraph and Telephone Corporation
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