MIRFI: A Mid-Infrared Fabry-Perot Imager

Details MIRFI: A Mid-Infrared Fabry-Perot Imager MIRFI: A Mid-Infrared Fabry-Perot Imager

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pasp..108.1033w&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.108, p.1033-1041

Astronomy and Astrophysics

Astronomy

5

Instrumentation: Spectrographs

Scientific paper

We have constructed a mid-infrared Fabry-Perot imager (MIRFI) at Nagoya University. At present, MIRFI is tuned to the 12.813 micron fine structure line of [Ne II], and it provides line images with a spectral resolving power of R ~ 2500 over a 5X5 pixel Si-P photoconductive detector array. This array has a plate scale of 1.3" pixel^-1 and a field of 8"x8" when mounted on the 3-m NASA Infrared Telescope (IRTF). The Fabry-Perot driving mechanism utilized solenoid magnets and is cooled by liquid He. MIRFI achieves background limited performance, and its noise equivalent line flux sensitivity is currently 1.6 x 10^-20 W cm^-2 pixel^-1 per spectral resolution element for a 17-sec on-source integration on the IRTF. Future upgrade plans for MIRFI are also described. (SECTION: Astronomical Instrumentation)

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