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Scientific articles, technical notes and brochures

The design and production of optical thin film filters is a complex and challenging matter. To help interested customers take a look behind the scene, Delta Optical Thin Film provides free downloads of scientific articles and technical notes authored by Delta Optical Thin Film staff, and brochures.

Scientific articles

For more than 25 years Delta Optical Thin Film staff has contributed to the scientific advancement of design and production technology of optical thin film coatings. Below please find a selection of conference papers and journal articles.

Pust, O. Innovative Filter Solutions for Hyperspectral Imaging. In: Optik & Photonik. WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (2016): 2–5. DOI: 10.1002/opph.201600012

Hodder, R. and O. Pust. New tunable filters for supercontinuum fiber lasers. In: LASER + PHOTONICS 2014. Carl Hanser Verlag, München (2014): 36–38
(PDF file)

Hansen, T. N. and H. Fabricius. A simple system for measuring small phase retardation of an optical thin film. Proc. SPIE, Vol. 7101, 71011H (2008). DOI:10.1117/12.797180

Fabricius, H. and T. N. Hansen. Optimizing the phase retardation caused by optical coatings. Proc. SPIE, Vol. 7101, 71011I (2008). DOI:10.1117/12.797186

Fabricius, H. Synthesis and functioning of SMART coatings for application in compact instruments and sensors. DOPS-Nyt 1-2001, p. 28 - 38 (2001)

Fabricius, H. Improving the ion current density distribution from a gridless ion source by optimizing the orientation. SPIE Proceedings Vol. 3738, p. 85-96 (1999). DOI:10.1117/12.360068

Fabricius, H. The gradient index filter: An overview. DOPS Nyt 4-1996, p. 14-23 (1996)

Fabricius, H. Ion assisted deposotion of oxide-materials. DOPS Nyt 4-1996, p. 33-39 (1996)

Fabricius, H. Developments in the design and production of error-sensitive smart coatings. SPIE proceedings Vol 2776, p. 58-69 (1996). DOI:10.1117/12.246845

Fabricius, H. Closed loop optimization of quasi-inhomogeneous optical coatings. SPIE proceedings, Vol 2046, p. 156-166 (1993). DOI:10.1117/12.163545

Fabricius, H. Gradient-index filters: conversion into a two-index solution by taking into account dispersion. Applied Optics Vol. 31, p. 5216-5220 (1992)

Fabricius, H. Gradient-index filters: designing filters with steep skirts, high reflection, and quintic matching layers. Applied Optics Vol. 31, p. 5191-5196 (1992)

Fabricius, H. Achromatic prism retarder for use in polarimetric sensors. Henrik Fabricius, Applied Optics Vol. 30 p. 426 (1991)

Fabricius, H., T. Skettrup and P. Bisgaard. Ultraviolet detectors in thin sputtered ZnO films. Applied Optics Vol. 25, p. 2764-2767 (1986)

Technical notes

Below you can download technical information and a presentation of Delta Optical Thin Film's most recent innovation Linear Variable Filters.

Article about Innovative Filter Solutions for Hyperspectral Imaging. In: Optik & Photonik. WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (2016): 2–5. DOI: 10.1002/opph.201600012

Article about Linear Variable Bandpass Filters for Hyperspectral Imaging (Vision Focus February 2016)

Article about Filters for Point of Care applications (BioPhotonics magazine April 2015)

Article about New tunable filters for Supercontinuum fiber lasers (LASER+PHOTONICS 2014)

Article about Upgrade of diffraction grating spectrometers for multiple purposes

Presentation on Continuously Variable Bandpass Filters for Hyperspectral Imaging

Presentation on Linear Variable Filters for Fluorescence and Hyperspectral Imaging Applications

Watch movies about Delta Optical Thin Film's Linear Variable Filters

Illumination of Linear Variable Filters with a laser beam

Linear Variable Filters and Xenon flash lamps

Linear Variable Dichroic

Angling of Linear Variable Filters

Orientation of Linear Variable Filters

Laser Optical Multilayer Attenuator (LOMA)

Ultra-Hard-Coated filters

Standard filter denomination

Standard dimensions of filters

Flatness of Ultra-Hard Coated Dichroic beamsplitters

A short presentation "What is optical density?"

What to Consider When Specifying Optical Thin Film Filters

Specification sheet for customised filters

Brochures