Device for optical interconnection of electronic component cards

Details Device for optical interconnection of electronic component cards Device for optical interconnection of electronic component cards

1986-02-24

1988-01-19

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250227, 350 9619, 35016223, 455607, H04B 900

Patent

active

047206349

ABSTRACT:
A device for establishing optical connection links between electronic component cards forming part of a package. The device comprises a transparent plate having parallel faces and a light source which emits a divergent beam and is implanted on a first card. The beam is reflected from a first optical diffracting element in the form of a collimated beam which undergoes multiple reflections from alternate reflecting elements to a second optical diffracting element and is converted by the second element to a convergent beam transmitted to a detector which is implanted on a second card.

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IBM Technical Disclosure Bulletin, vol. 26, No. 4, Sep. 1983, pp. 1793-1796, New York, US; L. Balliet, et al.: "Optical Transmission System for Interconnecting Electronic Units".
Applied Optics, vol. 22, No. 6, Mar. 1983, pp. 891-900, New York, US; W. B. Veldkamp: "Holographic Local-Oscillator Beam Multiplexing for Array Heterodyne Detection", Chapter IV: Holographic Phase Grating Fabrication; FIGS. 5, 6, 11.
Applied Optics, vol. 23, No. 17, Ler Sep. 1984, pp. 3004-3009, New York, US; J. M. P. Delavaux, et al.: "Design and Fabrication of Efficient Diffraction Transmission Gratings on Step-Index Optical Waveguides".
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