Off-Axis Replicated Parabolic Mirrors
  • Low scatter for UV applications
  • Integral mount
  • Achromatic focusing and collimation
  • Light-weight
  • UV-IR and NIR-IR coating options
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General Description Models

Specifications
 Material  Aluminum
 Active Area  ≥90% of diameter
 Focus Base Distance  0.800 in.
 Surface Quality  E/E (60/40) per MIL-F-48616
 Surface Roughness  25 Å (typical)
 Wavefront Distortion  ≤2λ @ 633 nm (typical)
 Coating Adhesion  MIL-F-48616
 Coating Hardness (Protected Aluminum)  MIL-F-48616 modified to 0.5lb
 Humidity Resistance  MIL-F-48616
 Operating Temperature Range  -80°F to 160°F
 Reflectance  ≥85% average

 Model  Effective Focal Length
(in.)		  Focal Length
(in.)		  Height
[in. (mm)]		  Coating
 50328AL  0.800  0.400  1.600 (40.64)  Protected Aluminum
 50328AU  0.800  0.400  1.600 (40.64)  Bare Gold
 50329AL  2.000  1.000  1.691 (42.95)  Protected Aluminum
 50329AU  2.000  1.000  1.691 (42.95)  Bare Gold
 50338AL  4.000  2.000  1.620 (41.15)  Protected Aluminum
 50338AU  4.000  2.000  1.620 (41.15)  Bare Gold
 50331AL  6.000  3.000  1.597 (40.56)  Protected Aluminum
 50331AU  6.000  3.000  1.597 (40.56)  Bare Gold
 50332AL  8.000  4.000  1.585 (40.26)  Protected Aluminum
 50332AU  8.000  4.000  1.585 (40.26)  Bare Gold



Typical reflectance curves of metallic reflective coatings.