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檢視所有 6 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 25mm FL 3-5μm AR Coated, Si Aspheric Lens

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Stock #89-617
Qty 1-5
NT$21,285
Qty 6+
NT$16,632
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Diameter (mm):
25.00 +0.00/-0.10
Effective Focal Length EFL (mm):
25.00 @ 4000nm
Numerical Aperture NA:
0.50
Back Focal Length BFL (mm):
22.50
Center Thickness CT (mm):
3.80 ±0.10
Coating:
BBAR (3000-5000nm)
Coating Specification:
Ravg <3% @ 3 - 5μm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Silicon (Si)
Clear Aperture CA (mm):
22.5
Asphere Figure Error (μm RMS):
0.1
Surface Accuracy, P-V (μm):
<0.3
Surface Quality:
60-40
Edge Thickness ET (mm):
2.44
Centering (arcmin):
≤10
Centering, ETD (μm):
<21.8
Bevel:
Protective bevel as needed
f/#:
1.00
Edges:
Diamond Turned
Radius R2 (mm):
43.582
Shape of Back Surface:
Concave
Typical Applications:
3000 - 5000
Conjugate Distance:
Infinite
Focal Length Specification Wavelength (nm):
4000

Regulatory Compliance

RoHS 2015:
Reach 223:

產品系列說明

  • 繞射極限的效能
  • 低密度,低色散
  • 特別適用於對重量敏感的紅外線應用

TECHSPEC® 矽石非球面透鏡是適用於中波紅外線應用的高效能輕量級解決方案,可作為昂貴的ZnSe透鏡與易碎的鍺透鏡的理想替代方案。TECHSPEC®矽石非球面透鏡具備承受惡劣環境帶來的許多影響 (包括溫度與壓力的波動) 所需的機械與熱力學性質。由於矽石是低密度材料,因此這些透鏡也特別適用於對重量敏感的系統 (例如許多防護應用中的系統)。

 
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