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Applied Optics

Applied Optics


  • Vol. 24, Iss. 8 — Apr. 15, 1985
  • pp: 1180–1182

Design of a broadband dichroic filter for transmitting visible and reflecting infrared bands

Qiongrui Li and Hengyi Li  »View Author Affiliations

Applied Optics, Vol. 24, Issue 8, pp. 1180-1182 (1985)

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On the basis that metal films possess the properties of high reflection for infrared and induced transmission for visible bands, the authors have designed a broadband dichroic filter capable of transmitting visible and reflecting infrared bands through stacking to form a combined dielectric–metal–dielectric thin-film system. Experimental results show its transmittance in the visible region is 80–88%, while its reflectance in the intermediate and far-infrared regions is 90%.

© 1985 Optical Society of America

Original Manuscript: November 6, 1984
Published: April 15, 1985

Qiongrui Li and Hengyi Li, "Design of a broadband dichroic filter for transmitting visible and reflecting infrared bands," Appl. Opt. 24, 1180-1182 (1985)

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  1. M. Born, E. Wolf, Principles of Optics (Pergamon, Oxford, 1975), Sec.13.
  2. B. Carli, “Reflectivity of Metallic Films in the Infrared,” J. Opt.Soc. Am. 67, 908 (1977). [CrossRef]
  3. P. W. Baumeister, “Radiant Power Flow and Absorptance in Thin Films,” Appl. Opt. 8, 423 (1969). [CrossRef] [PubMed]

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