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UNSWIRF: the University of New South Wales Infrared Fabry-Perot
 

Summary: UNSWIRF: the University of New South Wales Infrared
Fabry-Perot
Lori E. A11en', Michael C. B. Ash1ey', Michael G. Burtona,
Stuart D. Ryder", John W. Storey', and Yin-Sheng Sun'1
'1Depment of Astrophysics and Optics, School of Physics
University of New South Wales, Sydney 2052, Australia
bjoint Astronomy Centre, 660 N. A'Ohoku Place
Hilo, HI 96720, USA
ABSTRACT
We describe an imaging Fabry-Perot instrument, and give examples of its astronomical applications. The salient features of the
instrument are: wide wavelength coverage (1 .5 to 2.4 m) with a single etalon, operation near the focal plane in a converging
beam, resolving power R'4OOO, relatively easy portability to other telescopes.
Keywords: Fabry-Perot etalon, near-infrared
1. INTRODUCTION
The UNSW Infrared Fabry-Perot (UNSWIRF) is a narrow-band (R'4OOO) tunable filter for the near-infrared (1.5 to 2.4 pm),
designed to work with array cameras in an f/18 (or slower) beam, with a diameter of <70 mm. Currently, UNSWIRF is used in
conjunction with the IRIS camera at the f136focus of the Anglo-Australian Telescope (AAT). The etalon is a model ET7OWF
from Queensgate Instruments Ltd, with unique coatings that are able to operate all the way from 1 .5 to 2.4 pm. Potential
applications of the instrument range from the study of nearby star forming regions,1'2 planetary nebulae3 and supernova
remnants, to the nuclei and disks of nearby and active galaxies.4

  

Source: Ashley, Michael C. B. - School of Physics, University of New South Wales

 

Collections: Physics