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In traditional seeing-limited observations the spectrograph aperture scaleswith telescope aperture, driving sizes and costs to enormous proportions. Wepropose a new solution to the seeing-limited spectrograph problem. A massivelyfiber-sliced configuration feeds a set of small diffraction-limitedspectrographs. We present a prototype, tunable, J-band, diffraction grating,designed specifically for Astronomical applications: The grating sits at theheart of a spectrograph, no bigger than a few inches on a side. Throughputrequirements dictate using tens-of-thousands of spectrographs on a single 10 to30 meter telescope. A full system would cost significantly less than typicalinstruments on 10m or 30m telescopes.

Small Solutions to the Large Telescope Problem: A Massively Replicated MEMS Spectrograph