Introduction to rugate filter technology

Walter E. Johnson; Robert L. Crane

doi:10.1117/12.163554

2 November 1993 Introduction to rugate filter technology

Walter E. Johnson, Robert L. Crane

Proceedings Volume 2046, Inhomogeneous and Quasi-Inhomogeneous Optical Coatings; (1993) https://doi.org/10.1117/12.163554
Event: Optics Quebec, 1993, Quebec City, Canada

Abstract

Fundamental descriptive rugate filter parameters and concepts are shown. A simple rugate filter is derived from the Fourier analysis of a high/low refractive index pair used in a conventional non quarter-wave stack design. Progress in both design and fabrication is demonstrated by representative rugate filters which function in either the visible or infrared. Numerous examples are cited to show the utility of refractive index profile tailoring and the advantages of using this technology.

Citation Download Citation

Walter E. Johnson and Robert L. Crane "Introduction to rugate filter technology", Proc. SPIE 2046, Inhomogeneous and Quasi-Inhomogeneous Optical Coatings, (2 November 1993); https://doi.org/10.1117/12.163554

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