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50.8mm Dia., 3.18mm Thick, Uncoated, Laser Grade C-Axis Sapphire Window

Laser Grade C-Axis Sapphire Windows

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Stock #15-805
£438.70
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Qty 1-5
£438.70
Qty 6+
£387.45
Volume Pricing
Request Quote
Bevel:
Protective as needed
Clear Aperture CA (mm):
45.00
Coating:
Uncoated
Diameter (mm):
50.80 +0.00/-0.10
Thickness (mm):
3.18 ±0.20
Parallelism (arcmin):
<3
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Sapphire (Al2O3)
Surface Quality:
10-5
Transmitted Wavefront, P-V:
≤λ/10 over 25.4mm of Clear Aperture
Type:
Protective Window
Wavelength Range (nm):
200 - 5500
Birefringence (no-ne):
0
Axis Orientation:
C-axis
Young's Modulus (GPa):
435
Coefficient of Thermal Expansion CTE (10-6/°C):
8.8
Density (g/cm3):
3.97
Index of Refraction nd:
1.77
Poisson's Ratio:
0.27
Abbe Number (vd):
72.24
Edges:
Fine Ground

Regulatory Compliance

RoHS:

Product Family Description

  • C-Axis Cut Sapphire to Eliminate Birefringence
  • 10-5 Surface Quality and λ/10 TWFD
  • Uncoated or IBS AR Coated for 1000-1100nm
  • Ideal for High Power Laser Applications

Laser Grade C-Axis Sapphire Windows are precision optical windows cut to the C-axis of sapphire to eliminate the inherent birefringent properties of the material. C-axis sapphire, also referred to as C-plane sapphire or zero degree sapphire, provides high transmission from the ultraviolet (UV) to the mid-infrared, excellent chemical resistance, and high surface hardness second only to diamond. Featuring laser grade 10-5 surface quality and λ/10 transmitted wavefront distortion (TWFD), these windows are ideal for use in laser applications or for integration into laser systems. Laser Grade C-Axis Sapphire Windows are available uncoated or with an ion-beam sputtered (IBS) antireflection (AR) coating for 1000 - 1100nm, ideal for Nd:YAG, Yb:doped fiber, or Yb:YAG laser applications. Standard imperial sizes facilitate drop-in replacement into existing laser systems; please contact us if your application requires a Laser Grade C-Axis Sapphire Window with a custom size or coating.

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