Optical filters designed for the fluorescence detector of the AUGER project with transmittance in the range of 300 nm to 420 nm

Petr Schovanek; Jaromir Krepelka; Miroslav Hrabovsky; Miroslav Palatka; Martin Vlcek; Ladislav Soukup; Lubomir Jastrabik; Jan Ridky; Jiri Grygar; Martina Bohacova

doi:10.1117/12.417831

7 March 2001 Optical filters designed for the fluorescence detector of the AUGER project with transmittance in the range of 300 nm to 420 nm

Petr Schovanek, Jaromir Krepelka, Miroslav Hrabovsky, Miroslav Palatka, Martin Vlcek, Ladislav Soukup, Lubomir Jastrabik, Jan Ridky, Jiri Grygar, Martina Bohacova

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Proceedings Volume 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; (2001) https://doi.org/10.1117/12.417831
Event: 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2000, Velke Losiny, Czech Republic

Abstract

The fluorescence detector, a component of the AUGER project, is designed to observe fluorescent light generated in interactions of high energy cosmic rays with nitrogen atoms in the Earth's atmosphere. This article present several designs of optical filters transmitting in the range 300 nm- 420 nm, where the fluorescent light is emitted. Two approaches are proposed: a system of thin dielectric layers and a combination of suitable glass plate. Quality of different filters is determined according to the value of transmittance in the required wavelength range, the shape of the transmittance curve at the edge of the transmitting window, long-term stability as well as feasibility and cost of their mass production. Selected types of filters were prepared, their parameters measured and compared with predicted values.

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Petr Schovanek, Jaromir Krepelka, Miroslav Hrabovsky, Miroslav Palatka, Martin Vlcek, Ladislav Soukup, Lubomir Jastrabik, Jan Ridky, Jiri Grygar, and Martina Bohacova "Optical filters designed for the fluorescence detector of the AUGER project with transmittance in the range of 300 nm to 420 nm", Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); https://doi.org/10.1117/12.417831

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KEYWORDS

Optical filters

Transmittance

Glasses

Sensors

Luminescence

Atmospheric particles

Dielectric filters

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