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All Products / Optics / Optical Mirrors / Flat Mirrors / Precision Polished Metal Coatings / λ/8 Precision Elliptical Flat 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

Elliptical Mirror 22.23mm Minor Axis Protected Silver

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Stock #89-455 Contact Us
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A$156.80
Qty 1-5
A$156.80
Qty 6+
A$125.60
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Minor Axis (mm):
22.23
Major Axis (mm):
31.42
Surface Flatness (P-V):
λ/8
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
BOROFLOAT®
Surface Quality:
60-40
Dimensional Tolerance (mm):
±0.38
Dimensional Tolerance (inches):
±0.015
Coating Specification:
Ravg >98% @ 450 - 2000nm
Ravg >98% @ 2000 - 10,000nm
Coating:
Protected Silver (450-10000nm)
Coating Type:
Metal
Clear Aperture CA (mm):
20.02 (Minor Axis)
28.27 (Major Axis)
Note:
Flatness specification is Peak to Valley
Thickness (mm):
6.35
Thickness Tolerance (inches):
±0.030
Thickness Tolerance (mm):
±0.76
Type:
Flat Mirror
Wavelength Range (μm):
0.45 - 10
Wavelength Range (nm):
450 - 10000
Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.5 J/cm2 @ 532nm & 1064nm, 10ns

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
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REACH 241:
Compliant
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Product Description

See Figure B in Technical Information tab for dimensional diagram.

Product Family Description

  • Circular Profile When Oriented at 45°
  • Ideal for Redirecting Light
  • Multiple Sizes and Coatings Offered

TECHSPEC® λ/8 Precision Elliptical Flat Mirrors are ideal for research and astronomical applications. Because of their elongated major axis, they are suited to bending and folding light at precise angles with minimum wavefront distortion. These mirrors have a circular profile when they are oriented at 45º. TECHSPEC® λ/8 Precision Elliptical Flat Mirrors feature a BOROFLOAT® substrate. Multiple sizes and coating options are offered to best suit a wide range of applications.

Technical Information

Dimensions
Fig. Minor Axis (mm) Major Axis (mm) Thickness (mm)
Stock No.
Uncoated Protected Aluminum UV Enhanced Aluminum Enhanced Aluminum Protected Gold Protected Silver
B 12.70 17.96 3.81 #32-270 #32-271 #43-573 #32-272 #32-273 #89-454
B 22.23 31.42 6.35 #32-093 #30-836 #43-574 #32-131 #32-085 #89-455
B 26.97 38.15 6.35 #32-094 #30-837 #43-575 #32-132 #32-086 #89-456
A 31.75 44.91 9.53 #32-095 #30-205 #43-576 #32-133 #32-087 #89-457
A 38.10 53.87 9.53 #32-096 #30-258 #43-577 #32-134 #32-088 #89-458
A 47.63 67.36 11.68 #32-097 #30-840 #43-578 #32-135 #32-089 #89-459
B 57.15 80.82 15.88 #32-098 #41-131 #43-579 #32-136 #32-090 #89-460
B 66.68 94.28 15.88 #32-099 #42-583 #43-580 #32-137 #32-091 #89-461
B 76.20 107.77 19.05 #32-100 #42-584 #43-581 #32-138 #32-092 #89-462