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See all 35 Products in Family

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

50.8mm Dia., 343nm, λ/10 Ultra-Low Reflectivity Window

λ/10 Ultra-Low Reflectivity Windows

Stock #11-242

S$418.50

Qty 1-5
S$418.50

Qty 6
S$376.65

Volume Pricing
Request a Quote

Curves eDrawings: eprt IGES PDF Drawings STEP: step

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Angle of Incidence (°):

Clear Aperture (%):

Coating:

Laser Ultra V-Coat (343nm)

Coating Specification:

R_abs <0.10% @ 343nm

Diameter (mm):

50.80 +0.00/-0.10

Thickness (mm):

9.53 ±0.20

Damage Threshold, Pulsed:

7.5 J/cm² @ 343nm, 20ns, 20Hz

Design Wavelength DWL (nm):

343

Parallelism (arcmin):

Substrate:

Fused Silica (Corning 7980)

Surface Flatness:

λ/10

Surface Quality:

10-5

Type:

Laser Line Window

Young's Modulus (GPa):

Knoop Hardness (GPa):

522

Coefficient of Thermal Expansion CTE (10^-6/°C):

0.52

Density (g/cm³):

2.2

Index of Refraction n_d:

1.458

Poisson's Ratio:

0.16

Abbe Number (v_d):

67.8

Regulatory Compliance

RoHS 2015:

Compliant

Reach 209:

Compliant

Product Family Description

<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.

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