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'Alopeke Filters

'Alopeke uses a dichroic beam splitter to simultaneously image in two filters. The incident light is split at 674 nm, reflecting blue light through the blue filter wheel and transmitting red light through the red filter wheel.

Filter transmission curves
Filter Name Central Wavelength (nm) Width (nm) Transmission
Dichroic 674 - data, plot
Pickoff Mirror - - data, plot
Blue Wheel
XSDSS u' 352 46 data, plot
EO 466 466 44 data, plot
XSDSS g' 479 154 data, plot
EO 562 562 54 data, plot
XSDSS r' 620 145 data, plot
Red Wheel
EO 716 716 52 data, plot
XSDSS i' 765 148 data, plot
EO 832 832 40 data, plot
XSDSS z' 947 236 data, plot