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Design and Development of a Highly Efficient, Ultra-Narrowband Optical Filter for Use in Astronomical Applications

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Abstract

We are currently developing an extremely narrowband (~0.08 nm), highly efficient (>30%) optical filter for astronomical viewing systems where solar background must be eliminated such as imaging the sun’s coronal region. The optical filter is based upon a volume holographic diffraction grating written into a photopolymeric material, MEMPLEX® from Hybrid Technologies.

© 2003 Optical Society of America

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