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All Products / Laser Optics / Laser Windows / Laser Line Windows / λ/4 N-BK7 Laser Line Windows
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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

5mm Diameter, 1550nm V-Coat, λ/4 N-BK7 Window

See More by SCHOTT Optical Components

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Stock #83-525 3-4 days
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€87,00
Qty 1-5
€87,00
Qty 6+
€70,00
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Specifications

General

Type:
Laser Line Window

Physical & Mechanical Properties

Bevel:
Protective as needed
Clear Aperture CA (mm):
4.50
Diameter (mm):
5.00 +0.00/-0.25
Thickness (mm):
2.00 ±0.20
Parallelism (arcmin):
≤1
Young's Modulus (GPa):
82
Poisson's Ratio:
0.206
Edges:
Fine Ground

Optical Properties

Coating:
Laser V-Coat (1550nm)
Coating Specification:
Rabs <0.25% @ 1550nm
Design Wavelength DWL (nm):
1550
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Flatness (P-V):
λ/4
Surface Quality:
60-40
Index of Refraction (nd):
1.516
Abbe Number (vd):
64.17

Material Properties

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

Regulatory Compliance

RoHS 2015:
Compliant
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Certificate of Conformance:
View
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Reach 235:
Compliant
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Product Details

  • <0.25% Reflection at Design Wavelength
  • Coatings Available for HeNe, Diode, and Nd:YAG Laser Sources
  • Precision N-BK7 Substrate
  • Also Available Uncoated, MgF2 Coated and VIS 0° Coated

TECHSPEC® λ/4 N-BK7 Laser Line Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Anti-reflection coatings provide <0.25% reflection at the coating's design wavelengths.

Laser Optics

Technical Information

Compatible Mounts