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

λ/10 Ultra-Low Reflectivity Windows

λ/10 Ultra-Low Reflectivity Windows

λ/10 Ultra-Low Reflectivity Windows

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  • <0.1% Reflectivity Laser Line Coatings
  • Nd:YAG and Yb:YAG Wavelength Options
  • Reduce Typical Laser System Losses by 3% (Compared to a 0.25% Specified System with 10 Transmissive Optics)
  • Increased Transmission Reduces Back Reflections, Ghost Images, and Stray Light

TECHSPEC® λ/10 Ultra-Low Reflectivity Windows feature anti-reflection coatings with reflection lower than 0.1% at the design wavelength. These windows feature high quality fused silica substrates with λ/10 surface flatness and 10-5 surface quality to minimize scatter. With ultra-low reflectivity and high damage thresholds, these windows are ideal for integration into laser systems to virtually eliminate surface reflections. TECHSPEC λ/10 Ultra-Low Reflectivity Windows are available in a range of laser V-Coats from 266nm to 1064nm for compatibility with Nd:YAG and Yb:YAG laser sources. Imperial diameter sizes from 12.7mm to 50.8mm are available.

Common Specifications

Bevel:
Protective as needed
Parallelism (arcmin):
<3
Young's Modulus (GPa):
73
Poisson's Ratio:
0.16
Edges:
Fine Ground
Angle of Incidence (°):
0
Substrate:
Fused Silica (Corning 7980)
Surface Flatness (P-V):
λ/10
Surface Quality:
10-5
Index of Refraction (nd):
1.458
Abbe Number (vd):
67.8
Fused Silica Grade:
7980 0F
Coefficient of Thermal Expansion CTE (10-6/°C):
0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)
Density (g/cm3):
2.20

Products

 Coating  Dia. (mm)  Thickness (mm)  DWL (nm)  Compare   Stock Number   Price  Buy
Laser Ultra V-Coat (266nm) 38.10 6.35 266
Laser Ultra V-Coat (343nm) 25.40 6.35 343
Laser Ultra V-Coat (515nm) 50.80 9.53 515
Laser Ultra V-Coat (532nm) 12.70 6.35 532
Laser Ultra V-Coat (532nm) 19.10 6.35 532
Laser Ultra V-Coat (532nm) 38.10 6.35 532
Laser Ultra V-Coat (532nm) 50.80 9.53 532
Laser Ultra V-Coat (1030nm) 12.70 6.35 1030
Laser Ultra V-Coat (1030nm) 38.10 6.35 1030
Laser Ultra V-Coat (1030nm) 50.80 9.53 1030
Laser Ultra V-Coat (1064nm) 19.10 6.35 1064

Technical Information

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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.