Awg coupler for separating electromagnetic radiation of various wavelength regions, and a telecommunications system

US7187817B2 · kind B2 · utility

Assignee

• Schott AG · DE

Inventors

• Andrea Anton · Bad Kreuznach, DE
• Tobias Kalber · Mainz, DE
• Detlef Wolff · Oppenheim, DE
• Manfred Lohmeyer · Nackenheim, DE
• Matthias Brinkmann · Klein-Winternheim, DE
• Klaus Gerstner · Mainz, DE

Key dates

• Filing date: Mar 8, 2002
• Grant date: Mar 6, 2007
• Expiry date: Mar 8, 2022

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/2808
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A single free-beam region for coupling electromagnetic radiation in and out is provided in order in the case of an AWG coupler for spectrally separating electromagnetic radiation to achieve a more stable thermal characteristic and a space-saving layout.