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arXiv · astro-ph/0004372

A Tunable Echelle Imager

I. K. Baldry·J. Bland-Hawthorn
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Abstract

We describe and evaluate a new instrument design called a Tunable Echelle Imager (TEI). In this instrument, the output from an imaging Fabry-Perot interferometer is cross-dispersed by a grism in one direction and dispersed by an echelle grating in the perpendicular direction. This forms a mosaic of different narrow-band images of the same field on a detector. It offers a distinct wavelength multiplex advantage over a traditional imaging Fabry-Perot device. Potential applications of the TEI include spectrophotometric imaging and OH-suppressed imaging by rejection.

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I. K. Baldry, J. Bland-Hawthorn. 2000-04-27. A Tunable Echelle Imager. https://doi.org/10.1086/316604

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