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檢視所有 38 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 50mm FL, SWIR Coated, Achromatic Lens

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Stock #85-984
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Qty 1-5
NT$3,861
Qty 6+
NT$3,036
Volume Pricing
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Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
50.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
43.29
Focal Length Specification Wavelength (nm):
880.00
Clear Aperture CA (mm):
24.00
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
8.00
Center Thickness CT 2 (mm):
4.00
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
31.69
Radius R2 (mm):
-28.45
Radius R3 (mm):
-161.05
Edge Thickness ET (mm):
8.94
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
f/#:
2.00
Numerical Aperture NA:
0.25
Coating:
BBAR (900-1700nm)
Coating Specification:
Rabs ≤1.5% @ 900 - 1700nm
Ravg ≤1.0% @ 900 - 1700nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
900 - 1700

Regulatory Compliance

RoHS 2015:
Reach 223:

產品系列說明

  • Designed to Give Increased Resolution and Smaller Spot Sizes for NIR Wavelengths (750-1100nm)
  • 單色光源的球面像差更小(不足2μm)
  • Broadband AR Coating has <1% Reflectivity Between 750–1550nm

TECHSPEC® Near-IR (NIR) Achromatic Lenses are designed to provide the smallest spot size possible for polychromatic light between 750 and 1100nm. By utilizing our NIR doublets instead of standard doublets designed for the visible, RMS spot diameter can be reduced from 43μm to 22.5μm, for example, when using polychromatic light. Spot size will be smaller when focusing monochromatic sources. Near-IR doublets also reduce spherical aberration and have superior performance when used with a monochromatic source up to 2μm in wavelength. Typical applications for these doublets include: imaging lenses for the near infrared, focusing and expanding of NIR lasers, and focusing/collimating lenses for fiber optics and NIR LEDs.

技術資訊

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