Design and performance of a F/#-conversion microlens for Prime Focus Spectrograph at Subaru Telescope

Naruhisa Takato, Yoko Tanaka, James E. Gunn +8

The PFS is a multi-object spectrograph fed by 2394 fibers at the prime focus of Subaru telescope. Since the F/# at the prime focus is too fast for the spectrograph, we designed a s…