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Gemini Mid-Infrared Imager Procurement (1Sep95)
(from USGP, NOAO Newsletter No. 43, September 1995)

Work is in progress to prepare for the procurement of the Gemini
Mid-IR Imager.  The US Gemini Program will conduct an open competition
within the United States to select one or more contractors to perform
a conceptual design study .  It is anticipated that a second open
competition will follow the conceptual design study to select a single
contractor to finalize the design as well as to fabricate and
commission the instrument.

The Mid-IR Imager has been specified by the international Gemini
Science Committee as follows:

ú    Wavelength Range:          5-25um
ú    Array:                     ~256 x 256 Si:As IBC
ú    High Throughput Scale:     ~0.13"/pixel
ú    Instrument Background:     < 1% effective emissivity
ú    Filter Requirements:       20-30 cold filters
ú    Desirable Options:         Dichroic feed to InSb array for NIR
                                guiding/simultaneous imaging. Optical
                                design consistent with 2x upgrade in
                                array size

Expect the Announcement of Opportunity to be released in
September/October of this year, followed by the Request for Proposals
in November/December.  Please contact the US Gemini Program at NOAO
(usgp.noao.edu or (520) 318-8175) if you are possibly interested in
bidding for this contract.

Kathy Wood

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