离轴抛物面反射镜

离轴抛物镜


Off-Axis Parabolic Mirror
离轴抛物面反射镜

Minimize System Sizes
Minimize System Weight
Both "Wedged" and Equi-thick Mirrors are Available
Minimize System Cost

Target Simulators 
Collimators 
MTF measuring systems and other optics test devices 
Spectroscopic and FTIR systems 
Radiometers 
Beam Expanders 
Laser Divergence measuring systems 

To fully describe OAP one has to specify 5 parameters: 
1.Parent focal length PFL (or Slant Focal Length SFL)
2.Zonal Radius ZR (or Off-axis Distance OAD)
3.CA (clear aperture)
4.SA (surface accuracy)
5.SQ (surface quality)

Off-axis Parabolic Mirror draft


Typical Interferometer Graph of OAP Mirror


Surface Error Profile Reconstruction


Typical Reflection Spectrum for Protected Aluminum (Al + SiO2) Coating