Method for manufacturing light waveguide branches and multi/demultiplexers according to the beam divider principle

US4541159A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Herbert Michel · Munich, DE
• Walter Rauscher · Munich, DE
• Achim Reichelt · Unterhaching, DE

Key dates

• Filing date: Jul 8, 1983
• Grant date: Sep 17, 1985
• Expiry date: Jul 8, 2003

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49799
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A method for manufacturing light waveguide branch elements and multi/demultiplexer elements, which elements operate in accordance with the beam divider principle by providing a first body having a plurality of parallel extending waveguides adjacent one side thereof, cutting the body at an angle to the waveguides to form two parts, after preparing the cut surfaces of the parts, applying a mirror or filter structure onto one of the polished surfaces and reassembling the parts to form an assembly, and forming an element by subsequently positioning and securing a second body on the assembly with the second body having light waveguides extending to one surface and the end faces of the waveguides of the one surface being adjacent to the mirror or filter structure so that light traveling in the waveguides of the first assembly will be reflected into the waveguides of the second body.