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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

12.5mm Dia. x 1mm Thick, 8-12μm AR Coated, Ge Window

Germanium (Ge) Windows

Germanium (Ge) Windows

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Specifications

概況

Type:
Protective Window

物理和機械特性

Bevel:
Protective as needed
Clear Aperture (%):
90.00
Clear Aperture CA (mm):
11.25
Diameter (mm):
12.50 +0.0/-0.1
Thickness (mm):
1.00 ±0.1
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
780
Parallelism (arcmin):
<1
Poisson's Ratio:
0.28
Young's Modulus (GPa):
102.7

光學特性

Coating:
BBAR (8000-12000nm)
Coating Specification:
Ravg <3.0% @ 8 - 12μm
Index of Refraction (nd):
4.002 @ 11µm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Germanium (Ge)
Surface Flatness (P-V):
λ/10 @ 10.6μm
Surface Quality:
60-40
Wavelength Range (nm):
8000 - 12000

材料特性

Coefficient of Thermal Expansion CTE (10-6/°C):
6.1
Density (g/cm3):
5.33

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
REACH 241:

產品概覽

  • 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
  • 由於鍺的材料供應鏈中斷,我們的鍺產品的交貨時間可能會增加,價格也會有所變動。欲了解更多訊息,請聯繫我們的客戶服務團隊
  • Edmund Optics 的該零件號剩餘庫存有限,一旦耗盡,由於沒有原材料,將無法供應。 請聯絡我們的產品支援工程師,協助您找到滿足您需求的替代解決方案。客戶服務部門可為您提供最新的價格和供應情況"。

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。

Technical Information

AR COATED GERMANIUM

Typical transmission of a 3mm thick Ge window with BBAR (3000-5000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <3% @ 3000 - 5000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick Ge window with BBAR (3000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <5.0% @ 3 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick Ge window with BBAR (8000-12000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg <3.0% @ 8 - 12μm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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