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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

25mm Dia x 50mm FL 3-12μm Coated, Ge Aspheric Lens

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Stock #89-613
Qty 1-5
NT$22,275
Qty 6+
NT$17,424
Volume Pricing
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Diameter (mm):
25.00 +0.0/-0.1
Effective Focal Length EFL (mm):
50.00 @ 4000nm
Numerical Aperture NA:
0.25
Back Focal Length BFL (mm):
48.44
Center Thickness CT (mm):
3.00 ±0.10
Coating:
BBAR (3000-12000nm)
Coating Specification:
Ravg <5.0% @ 3 - 12μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Germanium (Ge)
Clear Aperture CA (mm):
22.5
Asphere Figure Error (μm RMS):
0.1
Surface Quality:
60-40
Edge Thickness ET (mm):
2.45
Centering (arcmin):
≤5
Bevel:
Protective bevel as needed
f/#:
2.00
Edges:
Diamond Turned
Radius R2 (mm):
142.9
Shape of Back Surface:
Concave
Wavelength Range (nm):
3000 - 12000
Conjugate Distance:
Infinite
Focal Length Specification Wavelength (nm):
4000

Regulatory Compliance

RoHS 2015:
Reach 223:

產品系列說明

  • 繞射極限效能
  • 多種鍍膜選項
  • 提供完整產品說明資料

TECHSPEC®鍺紅外線非球面透鏡能針對中波與長波紅外區域內的廣泛光譜範圍,提供繞射極限的聚焦效能。這些透鏡特別適用於單色光源 (例如量子串級雷射),可作為標準平凸透鏡的高效能替代方案。

每個非球面透鏡都提供無鍍膜或 BBAR 鍍膜選項。無鍍膜鍺的光線穿透率不足 50%,因此若指定使用無鍍膜透鏡,應考慮採用自訂抗反射 (AR) 鍍膜。每個 BBAR 鍍膜透鏡都能提供超過 95% 的穿透率,特別適合整合到多種 OEM 應用中。如需自訂設計或鍍膜選項,請聯絡我們的銷售部門

 
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