Optical waveguide with protective tube

US6246821A · kind A · utility

Assignee

• ALCATEL · FR

Inventors

• Heinz Hemken · Foster City, US
• Wolfgang Scheideler · Leuchtenberg, DE
• Helmut Steinberg · Sulzbach-Rosenberg, DE
• Peter Zamzow · Bochum, DE

Key dates

• Filing date: Nov 12, 1999
• Grant date: Jun 12, 2001
• Expiry date: Nov 12, 2019

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/4488
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

An optical waveguide, in particular for a vehicle, with an optical fiber (1) which is composed of polymer material and with a protective layer which encloses the fiber (1). The waveguide includes a metal pipe (2) having a corrugation at an angle to its longitudinal axis (4), the pipe forming an electrical conductor, and being externally insulated (5).