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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

12.7 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 #18-658 In Stock
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Product Details

Type:
Off-Axis Parabolic Mirror

Physical & Mechanical Properties

Diameter (mm):
12.70 +0/-0.10
Surface Roughness (Å):
<10 RMS
Clear Aperture (%):
90
Y Offset (mm):
50.80

Optical Properties

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 Quality:
40-20
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
UV Fused Silica
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. 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.