D300-aperture off-axis Cassegrain collimator

Published:2020-03-28

Technical indicators:

Clear aperture: D=300mm

Focal length: f=3000mm±20mm

FOV angle: 2w=20′

System wavefront: RMS<λ/25, (λ=632.8nm)

Temperature change: 25°±2°

Structure form: Off-axis R-C structure

Final field acceptance accuracy: RMS=0.037 λ, λ=632.8nm

Customer: A research center of space optical communication technology at a university


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