Vacuum ultraviolet thin films. 2: Vacuum ultraviolet all-dielectric narrowband filters

We report the design and performance of narrowband transmission filters employing the rapidly changing extinction coefficient that is characteristic of BaF(2) and SiO(2) films within certain wavelength intervals in the vacuum ultraviolet. We demonstrate the design concept for two filters centered at...

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Bibliographic Details
Published in:Applied optics (2004) 1990-10, Vol.29 (28), p.4293-4302
Main Authors: Zukic, M, Torr, D G, Spann, J F, Torr, M R
Format: Article
Language:English
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Summary:We report the design and performance of narrowband transmission filters employing the rapidly changing extinction coefficient that is characteristic of BaF(2) and SiO(2) films within certain wavelength intervals in the vacuum ultraviolet. We demonstrate the design concept for two filters centered at 135 nm for BaF(2) and at 141 nm for SiO(2). It is found that these filters provide excellent narrowband spectral performance when combined with narrowband reflection filters. The filter centered at 135 nm has a peak transmittance of 24% and a bandwidth of 4 nm at full width at half-maximum for collimated incident light. The transmittance for lambda(0)
ISSN:1559-128X
DOI:10.1364/AO.29.004293