TTF: a flexible approach to narrowband imaging

Joss Bland-Hawthorn*, D. Heath Jones

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


The Taurus Tunable Filter (TTF) is a pair of tunable narrowband interference filters covering 3700-6500 Å (blue 'arm') and 6500-9600 Å (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 Å. 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.

Original languageEnglish
Pages (from-to)855-865
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 1998
Externally publishedYes


  • Detectors
  • Instrumentation
  • Interferometric
  • Techniques


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