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Proceedings Paper

Precise waveguide loss measurement by a modified two-prism method
Author(s): Peter Dannberg; Andreas H. Braeuer
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Paper Abstract

Outcoupling of guided modes via a high index liquid acting as movable coupling prism allows for the direct detection of guided power versus propagation distance without the drawbacks of the common two prism method. We present a setup based on this principle which is capable of performing precise loss measurements of plane and strip waveguides. Furthermore, excess losses of devices caused by local defects, bending etc. can be distinguished from the fundamental loss background.

Paper Details

Date Published: 25 August 1994
PDF: 6 pages
Proc. SPIE 2212, Linear and Nonlinear Integrated Optics, (25 August 1994); doi: 10.1117/12.185155
Show Author Affiliations
Peter Dannberg, Fraunhofer-Institut fuer Angewandte Optik (Germany)
Andreas H. Braeuer, Fraunhofer-Institut fuer Angewandte Optik (Germany)


Published in SPIE Proceedings Vol. 2212:
Linear and Nonlinear Integrated Optics
Giancarlo C. Righini; David Yevick, Editor(s)

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