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Proceedings Paper

Non-Polarizing Edge Filters For The Near Infrared
Author(s): R Herrmann; A Thelen; W Zueltzke
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Paper Abstract

Optical communication systems need non-polarizing edge filters for the construction of wavelength division multiplexer (WDM). We report about our investigations to produce such filters by using the material combination Si02/Si. The advantage of this combination is the high refractive index difference allowing the production of steep edges. On the other hand,the silicon layers could only be made fairly non-absorbing by depositing them onto heated substrates (300°C) and subjecting them afterwards to an additional heat treatment. So these layer systems can up to now not be deposited onto cemented optical fiber components.

Paper Details

Date Published: 23 December 1986
PDF: 4 pages
Proc. SPIE 0678, Optical Thin Films II: New Developments, (23 December 1986); doi: 10.1117/12.939553
Show Author Affiliations
R Herrmann, R & D Department Thin Film Technology (Germany)
A Thelen, R & D Department Thin Film Technology (Germany)
W Zueltzke, R & D Department Thin Film Technology (Germany)


Published in SPIE Proceedings Vol. 0678:
Optical Thin Films II: New Developments
Richard Ian Seddon, Editor(s)

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