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Products / 光學產品 / Windows and Diffusers / Visible Windows / λ/4 N-BK7精密窗口片
檢視所有 121 產品系列

TECHSPEC 20mm Dia., 3mm Thick, Uncoated λ/4 N-BK7 Window

Stock #45-577
NT$1,620
×
Qty 1-5
NT$1,620
Qty 6
NT$1,296
Volume Pricing
Request a Quote
Abbe Number (vd):
64.17
Clear Aperture (%):
90
Diameter (mm):
20.00 +0.0/-0.25
Dimensional Tolerance (mm):
+0.0/-0.25
Thickness (mm):
3.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
7.1
Knoop Hardness (GPa):
610
Young's Modulus (GPa):
82
Density (g/cm3):
2.51
Index of Refraction nd:
1.516
Parallelism (arcmin):
1.00
Poisson's Ratio:
0.206
Substrate:
N-BK7
Surface Flatness:
λ/4
Surface Quality:
60-40
Thickness Tolerance (mm):
±0.20
Type:
Protective Window
Wavelength Range (nm):
350 - 2200

Regulatory Compliance

Reach 197:
Compliant
×
RoHS 2015:
Compliant
×

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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