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TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

75mm Dia., 4mm Thick, VIS-NIR Coated λ/4 N-BK7 Window

Stock #84-359
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Qty 1-5
NT$5,280
Qty 6+
NT$4,224
Volume Pricing
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Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture (%):
90
Clear Aperture CA (mm):
67.50
Diameter (mm):
75.00 +0.0/-0.25
Thickness (mm):
4.00 ±0.20
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870 nm
Ravg ≤1.25% @ 890 - 1000nm
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):
400 - 1000
Young's Modulus (GPa):
82

Regulatory Compliance

RoHS 2015:
Reach 219:

產品系列說明

  • λ/4 的表面精度
  • 提供廣波段抗反射鍍膜選項
  • 提供客製鍍膜與尺寸以因應OEM量購需求
  • Also Available with Laser Line V-Coats

TECHSPEC® λ/4 N-BK7 精密窗口片非常適用於工業與低功率雷射應用。藉由精密公差設計,可以最大程度減少光束畸變與散射。廣波段鍍膜選項可延伸這些精密窗口片在可見光與近紅外光譜內的有效工作範圍。

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