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Products / 光學產品 / Optical Lenses / Plano-Convex Lenses / VIS-NIR 鍍膜平凸（PCX）透鏡
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
18.0mm Dia. x 20.0mm FL, VIS-NIR Coated, Plano-Convex Lens

Stock #38-521
NT$1,512
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Qty 1-9
NT$1,512
Qty 10
NT$1,361
Volume Pricing
Request a Quote
Diameter (mm):
18.00 +0.0/-0.025
Effective Focal Length EFL (mm):
20.00
Back Focal Length BFL (mm):
17.59
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Substrate:
N-SF11
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Tolerance (%):
±1
Centering (arcmin):
<1
Center Thickness CT (mm):
4.30
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
1.46
Radius R1 (mm):
15.70
Clear Aperture CA (mm):
17.0
f/#:
1.11
Numerical Aperture NA:
0.45
Focal Length Specification Wavelength (nm):
587.6
Type:
Plano-Convex Lens
Bevel:
Protective bevel as needed
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 1000

Regulatory Compliance

RoHS:
Compliant
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產品系列說明

  • 採用抗反射鍍膜，可為 400 - 1000nm 的光提供每個表面小於 1.25% 的反射率
  • 880nm光的反射率小於0.25%
  • 針對 0° 入射角而設計
  • 多種鍍膜選擇: 無鍍膜, MgF2, VIS 0°, NIR I, NIR II, VIS-EXT及YAG-BBAR

平凸（PCX）鏡片具有正焦距，是成像應用收光和聚光的理想選擇。它們也可用於多種其他包括發射器、偵測器、雷射和光纖的應用。帶有鍍膜的鏡片能提供最佳透光性。具有各種不同直徑和焦距可供選擇。

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