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25.4mm Dia. x 50.8mm FL, 3 - 5µm BBAR Coated, ISP Optics Silicon (Si) Aspheric Lens | HDAR35-ASPH-SI-25-50

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Stock #24-886 5-7 Days
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下載產品資料
Diameter (mm):
25.40 +0.00/-0.13
Effective Focal Length EFL (mm):
50.80
Numerical Aperture NA:
0.25
Back Focal Length BFL (mm):
48.38
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Coating:
BBAR (3000-5000nm)
Coating Specification:
Ravg <0.5% @ 3 - 5μm
Rabs <1.5% @ 3 - 5μm
Centering, ETD (μm):
<20
Surface Quality:
60-40
Clear Aperture CA (mm):
22.86
Edge Thickness ET (mm):
2.40
Center Thickness CT (mm):
3.00 ±0.20
f/#:
2.00
Bevel:
Protective bevel as needed
Shape of Back Surface:
Concave
Wavelength Range (nm):
3000 - 5000
Conjugate Distance:
Infinite
Surface Roughness (Angstroms):
<100 Ra
Irregularity (P-V) @ 632.8nm:
λ/4
Model Number:
HDAR35-ASPH-SI-25-50

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:

產品系列說明

  • 穿透範圍為 1.2 - 7μm
  • 繞射極限性能
  • 可提供無鍍膜或適用3 - 5μm範圍內的 HDAR 鍍膜

ISP Optics 矽(Si)非球面透鏡為重量敏感的中波紅外(MWIR)應用提供繞射極限性能。無鍍膜版本可用於 1.2 - 7μm 範圍內的應用,高耐久性抗反射鍍膜(HDAR)可用於3 - 5μm範圍內的應用,是惡劣環境或黑體輻射應用的理想選擇。矽的努氏硬度為1150,相比鍺,矽更硬,鍺更脆。ISP Optics 矽非球面透鏡具有 2.329g/cm3 的低密度,因此是鍺和硒化鋅的輕質替代品。

 
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