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檢視所有 71 產品系列
TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25mm Dia. x 2mm Thick, 3-5μm AR Coating, Ge Window

Germanium (Ge) Windows

Germanium (Ge) Windows

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Stock #89-564
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Qty 1-10
NT$10,593
Qty 11+
NT$9,323
Volume Pricing
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Bevel:
Protective as needed
Clear Aperture (%):
90.00
Clear Aperture CA (mm):
22.50
Diameter (mm):
25.00 +0.0/-0.1
Thickness (mm):
2.00 ±0.1
Coating:
BBAR (3000-5000nm)
Coating Specification:
Ravg <3% @ 3 - 5μm
Coefficient of Thermal Expansion CTE (10-6/°C):
6.1
Density (g/cm3):
5.33
Edges:
Fine Ground
Index of Refraction nd:
4.002 @ 11µm
Knoop Hardness (kg/mm2):
780
Parallelism (arcmin):
<1
Poisson's Ratio:
0.28
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Germanium (Ge)
Surface Flatness:
λ/10 @ 10.6μm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
3000 - 5000
Young's Modulus (GPa):
102.7

Regulatory Compliance

RoHS 2015:
Reach 223:

產品系列說明

  • 提供未鍍膜或鍍抗反射鍍膜選項,適用於各種红外應用
  • 低色散帶來最小的色像差
  • 非常適用於需要堅固光學裝置的紅外應用
  • 也供應 DLC 鍍膜鍺窗鏡

TECHSPEC®鍺(Ge) 窗鏡現貨供應,可選三種抗反射鍍膜: 3 - 5μm波段適用於中紅外應用,3 - 12μm波段適用於寬帶多光譜應用, 8 - 12μm波段適用於熱成像應用。由於鍺窗口片的折射率很高 (對於2 - 14μm的光大約為4.0),因此建議在這些鍺窗口片上使用抗反射鍍膜,以便在所需範圍內實現充足的穿透。鍺受温度影響嚴重,穿透率隨温度的升高而降低,因此,只能適用於100°C以下溫度的應用。在設計對重量有嚴格要求的系统時要考慮鍺的高密度(5.33 g/cm3)。鍺的努氏硬度是780,大約是氟化鎂硬度的兩倍,非常適用於需要堅固光學特性的紅外應用。

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