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

50mm Sq., 4mm Thick, YAG-BBAR Coated, λ/4 N-BK7 Window

Stock #13-329 New
×
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Qty 1-5
C$145.13
Qty 6+
C$116.10
Volume Pricing
Request Quote
Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture (%):
90
Dimensions (mm):
50.00 x 50.00
Thickness (mm):
4.00
Coating:
YAG-BBAR (500-1100nm)
Coating Specification:
Rabs <0.25% @ 532nm
Rabs <0.25% @ 1064nm
Ravg <1.0% @ 500 - 1100nm
Coefficient of Thermal Expansion CTE (10-6/°C):
7.1 (-30 to +70°C)
8.3 (+20 to +300°C)
Density (g/cm3):
2.51
Edges:
Fine Ground
Index of Refraction nd:
1.516
Knoop Hardness (kg/mm2):
610
Parallelism (arcmin):
<1
Poisson's Ratio:
0.206
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Flatness:
λ/4
Surface Quality:
60-40
Type:
Protective Window
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
500 - 1100
Young's Modulus (GPa):
82
Length (mm):
50.00
Width (mm):
50.00

Regulatory Compliance

RoHS:

Product Family Description

  • λ/4 Surface Flatness
  • Broadband Anti-Reflection Coating Options Available
  • Custom Coatings and Sizes Available for Volume OEM Quantities
  • Also Available with Laser Line V-Coats

TECHSPEC® λ/4 N-BK7 Precision Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Broadband coating options extend the range of these precision windows through the visible and near-infrared spectra.

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