Published:2020-03-27
The effective focal length is 3000mm; the working spectrum of the reflective element is in the range 300nm~1100nm, and the working spectrum of the transmission element is in the range of 400nm~900nm;
Transmittance change: Tpv≤11.5%;
System wave aberration: RMS<λ/20 (λ=632.8nm);
The parallelism of the emergent light is superior to 0.836 ″ (Φ≤150mm); thermal stability of optical axis: Superior to 0.89″/°C (20°C±5°C).
Customer: A university
