Three-mirror telescope design for shortwave IR spectrometer Description: f/2.8 three-mirror anastigmatic telescope (TMA) for 1-5µm NIRSPEC near-infrared spectrometer built by the UCLA Astronomy Dept. for installation at the Keck II telescope on Mauna Kea, Hawaii. Operates cryogenically and in vacuum. See figure on NIRSPEC system. My Role: Optical design, fabrication and alignment support.