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See all 12 Products in Family

6" Dia. λ/10 Fused Silica Dual Surface Flat

Surface Flatness:
λ/10
Abbe Number (vd):
67.7
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
0.55
Diameter (mm):
152.40
Diameter (inches):
6.00
Diameter Tolerance (inches):
±0.04
Thickness (inches):
1.00
Construction:
Dual Surface
Density (g/cm3):
2.2
Index of Refraction nd:
1.458
Parallelism (arcmin):
1.00
Thickness (mm):
25.40
Substrate:
Fused Silica
Surface Quality:
60-40
Thickness Tolerance (inches):
±0.08
Type:
Interferometry
Wavelength Range (nm):
200 - 2200
RoHS:

Product Family Description

  • λ/10 and λ/20 Surface Flatness Options
  • Certified with a Zygo Interferometer
  • Each λ/20 Flat Includes a Certificate of Calibration
  • Single Surface Optical Flats Also Available

Our dual surface optical flats are precision ground and polished to the stated accuracies on both surfaces so that either face may be used for test applications. Both surfaces are tested and certified by our Zygo Interferometer. Each flat ships in a durable storage case for permanent protection. λ/20 flats also include a certificate of calibration.

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