TTF: a flexible approach to narrowband imaging

Jonathan Bland-Hawthorn; D. Heath Jones

doi:10.1117/12.316805

9 July 1998 TTF: a flexible approach to narrowband imaging

Jonathan Bland-Hawthorn, D. Heath Jones

Proceedings Volume 3355, Optical Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.316805
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

The Taurus Tunable Filter (TTF) is a pair of tunable narrowband interference filters covering 3700 - 6500 Angstrom (blue 'arm') and 6500 - 9600 Angstrom (red 'arm'). The TTF offers monochromatic imaging at the Cassegrain foci of both the Anglo-Australian and William Herschel Telescopes, with an adjustable passband of between 6 and 60 Angstrom. In addition, frequency switching with the TTF can be synchronized with movement of charge (charge shuffling) on the CCD which has important applications to many astrophysical problems. Here we review the different modes of TTF and suggest their use for narrowband imaging.

Citation Download Citation

Jonathan Bland-Hawthorn and D. Heath Jones "TTF: a flexible approach to narrowband imaging", Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998); https://doi.org/10.1117/12.316805

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