published:2020-03-28
a 1.5-meter large-aperture collimator customized for a research institute with a clear aperture of φ1500mm; focal length of the system: 52m (±2%); system field of view: ≥6′; band: 0.4μm-5μm
the primary mirror rms is superior to λ/40; focal length of system: 52m (±2%)
customer: an institute of precision machinery and physics
