IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Spot-size and incident angle dependence of filtering characteristics of narrow pass-band dielectric multilayer filters
Satoshi SudaFumio Koyama
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2004 Volume 1 Issue 14 Pages 442-446

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Abstract

We present the spot size and incident angle dependence of filtering characteristics of dielectric multilayer thin-film filters. Experimental results on amplitude responses and dispersion characteristics of narrow pass-band (50GHz) SiO2/Ta2O5 filters are presented, which are in good agreement with theory. Although noticeable deterioration on amplitude filter responses has been seen, the chromatic dispersion is reduced with decreasing the spot size of input light.

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© 2004 by The Institute of Electronics, Information and Communication Engineers
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