Metal/dielectric transmission interference filters with low reflectance. I. Design

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DOIResolve DOI: http://doi.org/10.1364/AO.34.005684
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TypeArticle
Journal titleApplied optics
ISSN00036935
Volume34
Issue25
Pages56735683; # of pages: 11
AbstractFor many applications the high reflectance of conventional multilayer interference filters is undesirable. It is possible to design and construct interference filters in which the transmittance and reflectance are independently controlled and in which the reflectance is very low. However, to do this it is necessary to employ absorbing coating materials and, as a result, a reduction in the peak transmittance must be accepted. We describe three different methods for the design of such coatings. Examples are given of a number of bandpass filters, neutral density filters, cutoff filters, and of an x¯λ tristimulus filter, all having a low reflectance. This reflectance is frequently 15 to 50 times lower than that of conventional filters.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
Identifier10010245
NPARC number12328795
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Record identifierc17ff688-a62f-4b7d-8a6b-03f1f2bb2e61
Record created2009-09-10
Record modified2016-05-09
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