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NICI Dichroic/Beamsplitter Wheel

NICI is configured with a Dichroic/Beamsplitter wheel to provide a number of options for splitting the beam between the two science channels. However, in its initial configuration, only one beamsplitter will be available.

NICI Dichroic Wheel
Name	Channel 1 (Red) response	Channel 2 (Blue) response	Gemini ID
Open	100%	0%	--
Mirror	0%	100%	G...
H 50/50 Beamsplitter	50% over H window	50% over H window	G...

Created July 15, 2005, B. Rodgers and T. Hayward