3 June 2002 Holographic spectral filters recorded in the new experimental DuPont photopolymer film
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Abstract
Holographic spectral filters become popular nowadays in various kinds of wavelength selective devices. The attractive feature of holograms is the possibility to widely vary the final parameters of a filter by choosing the appropriate recording material and recording geometry. However, up to a recent time there was a kind of a gap in attainable spectral selectivity due to the thickness of available materials. The ordinary materials, such as DCG, photopolymers, silver halide etc. are usually 20-30 micrometers thick. The very thick materials, namely porous glasses, PDA and some others start from the thickness of a few hundreds of micrometers. And because of that it was rather difficult to achieve the spectral selectivity of the order form several nanometers up to 20-30 nanometers, which are magnitudes required for many applications. The new holographic photopolymer film from DuPont, 50 micrometers thick, is a good candidate to fill in the gap and to obtain filters with the desired selectivity. This paper presents results on the recording of holographic spectral filters in this material.
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Irina V. Semenova, Alexander Popov, Nadya O. Reingand, "Holographic spectral filters recorded in the new experimental DuPont photopolymer film", Proc. SPIE 4659, Practical Holography XVI and Holographic Materials VIII, (3 June 2002); doi: 10.1117/12.469285; https://doi.org/10.1117/12.469285
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