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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

12.5mm Dia. Enhanced Aluminum, λ/4 Mirror

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Stock #45-601 20+ In Stock
Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
C$89.60
Volume Pricing
Qty 1-5 C$89.60 each
Qty 6-25 C$71.40 each
Qty 26-49 C$67.55 each
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Specifications

General

Type:
Flat Mirror

Physical & Mechanical Properties

Diameter (mm):
12.50
Thickness (mm):
2.00 ±0.25
Back Surface:
Commercial Polish
Bevel:
Protective as needed
Clear Aperture (%):
85
Dimensional Tolerance (mm):
±0.25
Edges:
Fine Ground

Optical Properties

Wavelength Range (μm):
0.45 - 0.65
Coating Type:
Metal
Coating:
Enhanced Aluminum (450-650nm)
Surface Flatness (P-V):
λ/4
Wavelength Range (nm):
450 - 650
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
BOROFLOAT®
Coating Specification:
Ravg >95% @ 450 - 650nm
Surface Quality:
60-40
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.2 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 247:
Compliant
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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.

Product Details

  • Available in a Wide Range of Sizes and Shapes
  • Precision Metallic Mirror Coatings
  • Contact Us for Custom Sizes

TECHSPEC® λ/4 First Surface Mirrors feature a high reflectivity coating deposited on the front surface of the glass substrate. The coated surface should be oriented to reflect incident light. TECHSPEC λ/4 First Surface Mirrors are offered in circular, square, and rectangular dimensions. First surface mirrors are ideal for applications requiring the mirror to be mounted at 45° in order to produce a 90° bend in the light path. These first surface mirrors easily mount into a range of optical mounts to facilitate application integration. The mirrors have available coatings of enhanced aluminum, protected aluminum, protected silver, and protected gold.

Note: Surface flatness is measured before coating. 

A range of mounts specifically compatible with individual TECHSPEC® First Surface Mirrors can be found on product web pages.    

Coating Curves

Compatible Mounts

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