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All Products / Optics / Optical Mirrors / Off-Axis Mirrors / High Performance Fused Silica Off-Axis Parabolic (OAP) Mirrors
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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

25.4 x 50.8mm EFL 90° Uncoated Glass Off-Axis Parabolic Mirror

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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Stock #18-660 New 3-5 days
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Type:
Off-Axis Parabolic Mirror
Diameter (mm):
25.40 +0/-0.10
Effective Focal Length EFL (mm):
50.80
Focal Length Tolerance (%):
±1
Coating:
Uncoated
Off-Set Angle (°):
90
Parent Focal Length PFL (mm):
25.4
Surface Figure, RMS:
λ/8 @ 632.8nm
Surface Roughness (Å):
<10 RMS
Clear Aperture (%):
90
Surface Quality:
40-20
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
UV Fused Silica
Y Offset (mm):
50.80
Reflected Wavefront, RMS:
λ/4 @ 632.8nm

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Family Description

  • 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. These mirrors are coated with broadband dielectric coatings for enhanced performance across the UV, VIS, and NIR spectrum. 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.