NASA NTRS · 19770034675
Recent advances in birefringent filters
Abstract
In the past several years, important developments have been made in the construction and theory of birefringent filters. Tunable filters that operate from 4500 to 7000 A with full widths at half maximum of 0.05 A and maximum transmissions of almost 20 percent have been constructed. Inexpensive large-aperture (at least 15 cm) achromatic waveplates have been fabricated which allow full use of resolution-solid angle products that are 100 times that of Fabry-Perots and 10,000 times that of grating systems.
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Title, A. M., Schoolman, S. A.. 1976-01-01. Recent advances in birefringent filters. https://ntrs.nasa.gov/citations/19770034675
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