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All Products / Laser Optics / Laser Windows / Broadband Laser Windows / Laser Grade C-Axis Sapphire Windows
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12.7mm Dia., 3.18mm Thick, BBAR (1000-1100nm), Laser Grade C-Axis Sapphire Window

Laser Grade C-Axis Sapphire Windows

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Stock #15-806 3-5 days
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S$533.60
Qty 1-10
S$533.60
Qty 11+
S$479.95
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Specifications

General

Type:
Protective Window

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture CA (mm):
11.00
Diameter (mm):
12.70 +0.00/-0.10
Thickness (mm):
3.18 ±0.20
Parallelism (arcmin):
<3
Young's Modulus (GPa):
435
Poisson's Ratio:
0.27
Edges:
Fine Ground

Optical Properties

Coating:
BBAR (1000-1100nm)
Coating Specification:
Ravg ≤0.3% @ 1000 - 1100nm
Ravg ≤0.1% @ 1020 - 1070nm
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 Clear Aperture
Wavelength Range (nm):
1000 - 1100
Birefringence (no-ne):
0
Axis Orientation:
C-axis
Index of Refraction (nd):
1.77
Abbe Number (vd):
72.24

Material Properties

Coefficient of Thermal Expansion CTE (10-6/°C):
8.8
Density (g/cm3):
3.97

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
View
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Product Details

  • 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.

Technical Information

Custom

Edmund Optics offers comprehensive custom manufacturing services for optical and imaging components tailored to your specific application requirements. Whether in the prototyping phase or preparing for full-scale production, we provide flexible solutions to meet your needs. Our experienced engineers are here to assist—from concept to completion.

Our capabilities include:

  • Custom dimensions, materials, coatings, and more
  • High-precision surface quality and flatness
  • Tight tolerances and complex geometries
  • Scalable production—from prototype to volume

Learn more about our custom manufacturing capabilities or submit an inquiry here.

Compatible Mounts