Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1994-05-10
1996-02-06
Pascal, Leslie
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
H04B 1004
Patent
active
054900085
ABSTRACT:
A non-contacting optical data transmission system, suitable for transmitting data between relatively movable mechanical parts, includes a waveguide, having an high-frequency generator connected at one end and an high-frequency receiver connected at an opposite end, the basic dielectric material of the waveguide being entirely or partially replaced by photosensitive material. An illumination pattern is generated on the waveguide with a light source and a mask, the reflection behavior of the waveguide being modified by this illumination pattern and thereby causing the amplitude of the signal transmitted through the waveguide to be modulated by keying the light source according to the data to be transmitted.
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patent: 5367588 (1994-11-01), Hill et al.
"Optically Addressed Spatial Light Modulators by MBE--Grown nipi MQW Structures, " Maserjian et al, Applied Optics, vol. 28, No. 22 (Nov. 15, 1989), pp. 4801-4807.
Gawlik Peter
Guempelein Reinhold
Pascal Leslie
Siemens Aktiengesellschaft
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