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4" Dia. Protected Aluminum, λ/20 Flat Fused Silica | Edmund Optics

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Products / Optics / Optical Mirrors / Flat Mirrors / Precision Optical Flat Mirrors
See all 128 Products in Family

TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
4" Dia. Protected Aluminum, λ/20 Flat Fused Silica

Stock #47-574-522
€805.00
×
Qty 1-5
€805.00
Qty 6
€724.50
Volume Pricing
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Surface Flatness:
λ/20
Substrate:
Fused Silica
Back Surface:
Commercial Polish
Surface Quality:
60-40
Diameter (mm):
101.60
Diameter Tolerance (inches):
+0.0/-0.04
Coating Specification:
Ravg >85% @ 400 - 700nm
Ravg >90% @ 400 - 2000nm
Coating:
Protected Aluminum (400-2000nm)
Coating Type:
Metal
Clear Aperture CA (mm):
91.44
Note:
Flatness is specified as Peak to Valley
Thickness (mm):
19.10
Thickness Tolerance (mm):
±1.5
Type:
Flat Mirror
Typical Energy Density Limit:
0.3 J/cm2 @ 532nm & 1064nm, 10ns
Wavelength Range (μm):
0.4 - 2
Wavelength Range (nm):
400 - 2000

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 205:
Compliant
×

Product Family Description

  • Fused Silica and ZERODUR® Substrates
  • λ/10 and λ/20 Surface Flatness
  • Variety of Coating Options Offered

TECHSPEC® Precision Optical Flats are ideal for a variety of applications including interferometry, imaging systems, laser applications, optical path folding, and autocollimation. These mirrors are available in a variety of coating and substrate options, along with surface flatness options of λ/10 and λ/20. The first substrate option ZERODUR®, a yellow tinted glass ceramic, features an extremely low coefficient of thermal expansion and is the ideal choice for applications where temperature fluctuation is a concern. The second option, Fused Silica, is optically clear and features excellent resistance to abrasion and high durability, making it the best choice for applications in harsh environments.

TECHSPEC® λ/10 and λ/20 Precision Optical Flats are available for testing and measurement applications.

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