Precision Opto-Mechanical System
Beam Expander & Collimator
Capable to research and develop null corrector beam expander and collimator with aperture less than 300mm. The wave-front is better than PV λ/8，RMS λ/70（λ=632.8nm）.
Null Corrector Beam Expander System with 300mm aperture
f800 Reflector Collimator with 250mm aperture, f1500
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