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MULDEX FUER OPTISCHE UEBERTRAGUNGSSYSTEME.

Optical signal multiplexer-demultiplexer unit - incorporates regular etched structure forming optical filter.
 
: Nolting, H.; Hoffmann, D.; Schlichting, M.; Maerz, R.

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DE 1985-3500532 A: 19850107
EP 1986-900600 AW: 19860107
WO 1986-DE3 A: 19860107
H04J0015
Deutsch
Patent, Elektronische Publikation
Fraunhofer HHI ()

Abstract
DE 3500532 A UPAB: 19930922 The multiplexer-demultiplexer (MULDEX) system is used for optical data transmission. It achieves multiple use of a given wavelength range used as a transmission channel. The light source for the single mode transmission system may be a monomode laser. The light is transmitted via monomode optical fibres. Two optical channels (A,B) run adjacent to each other, and there is a discontinuous connection between them over N sections (S) with etched fits (g). The fits give reduced coupling and a measure of optical isolation in a regular array between coupling areas, and the whole assembly acts as an optical filter. USE - For road band optical data transmission. 4/9

: http://publica.fraunhofer.de/dokumente/PX-75596.html