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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors

High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors

High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors

High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors	Glass Off-Axis Parabolic Mirror mounted in E-Series Kinematic Optical Mirror Mount (mount not included).
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  • High Quality Fused Silica Substrate
  • <10Å Surface Roughness for Low Scatter
  • 90° Offset Angle for Easy Integration

TECHSPEC® High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors feature a surface roughness of less than 10Å which is the lowest scatter available in an off-the-shelf solution. Featuring a fused silica substrate, these low scatter alternatives perform better in the UV wavelength range than traditional metallic substrate OAPs. TECHSPEC® High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors are ideal for Schlieren, MTF, and Czerny-Turner and Littrow spectrometer systems due to their low scattering.

Note: Uncoated options require a coating for use. Contact us for a custom coating quote for your specific wavelength.

Common Specifications

Surface Roughness (Å):
<10 RMS
Clear Aperture (%):
90
Y Offset (mm):
50.80
Effective Focal Length EFL (mm):
50.80
Focal Length Tolerance (%):
±1
Off-Set Angle (°):
90
Parent Focal Length PFL (mm):
25.4
Surface Figure, RMS:
λ/8 @ 632.8nm
Surface Quality:
40-20
Substrate:
Reflected Wavefront, RMS:
λ/4 @ 632.8nm

Products

Dia. (mm) EFL (mm)  Coating   Compare   Stock Number   Price  Buy
12.70 50.80 Uncoated
25.40 50.80 Uncoated
12.70 50.80 VIS
25.40 50.80 VIS

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Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.