Saunders, Will; Smith, Greg; Gilbert, James; Muller, Rolf; Goodwin, Michael; Staszak, N; Brzeski, Jurek; Miziarski, Stan; Colless, Matthew
We present a concept for a 4000-fibre positioner for DESpec, based on the Echidna 'tilting spine' technology. The DESpec focal plane is 450mm across and curved, and the required pitch is ∼6.75mm. The size, number of fibers and curvature are all comparab
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