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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

3" Dia. λ/20 Fused Silica Dual Surface Flat

Stock #48-131
A$1,360.00
Qty 1
A$1,360.00
Volume Pricing
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Surface Flatness:
λ/20
Abbe Number (vd):
67.8
Clear Aperture CA (mm):
68.58
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52
Diameter (mm):
76.20 ±1.0
Diameter (inches):
3.00 ±0.04
Thickness (inches):
0.75 ±0.06
Construction:
Dual Surface
Density (g/cm3):
2.2
Index of Refraction nd:
1.458
Parallelism (arcmin):
1.00
Poisson's Ratio:
0.16
Thickness (mm):
19.05 ±1.5
Surface Quality:
60-40
Type:
Interferometry
Wavelength Range (nm):
200 - 2200
Young's Modulus (GPa):
73

Regulatory Compliance

RoHS 2015:
Reach 209:

Product Description

λ/20 flats include a certificate of calibration.
Title  Compare Stock Number  Price Buy
108.0mm Max Optic Dia., Jaw Clamp #53-038 A$878.40
Qty 5+ A$790.80 Request a Quote
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108.0mm Max Optic Dia., Jaw Clamp and 6" Kinematic Mount #53-040 A$1,320.00
Qty 5+ A$1,254.00 Request a Quote
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118mm English Bar-Type Lens / Filter Holder #03-666 A$152.40
Qty 10+ A$137.20 Request a Quote
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19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount #03-670 A$138.80
Qty 10+ A$125.20 Request a Quote
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75.0/76.2mm Optic Dia., Optical Cell Assembly #36-466 A$210.00
Qty 10+ A$189.20 Request a Quote
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75.0/76.2mm Optic Dia., Optical Cell Kinematic Mount #53-965 A$592.00
Qty 10+ A$574.40 Request a Quote
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5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp #16-078 New
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A$544.00
Qty 5+ A$489.60 Request a Quote
  • 3-5 days
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75.0/76.2mm Optic Dia., E-Series Kinematic Mount #15-868 New
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A$316.80
Qty 10+ A$300.80 Request a Quote
  • 3-5 days
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