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檢視所有 33 產品系列

Infrared Asphere 0.56NA, 5.95mm FL, 3.0-5.0μm AR Coated

Stock #87-178
NT$14,220
Qty 1-10
NT$14,220
Qty 11
NT$12,798
Volume Pricing
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Numerical Aperture NA:
0.56
Diameter (mm):
8.00 ±0.015
Effective Focal Length EFL (mm):
5.95
Clear Aperture CA (mm):
7.60
Coating:
BBAR (3000-5000nm)
Surface Quality:
80-50
Center Thickness CT (mm):
2.50
Working Distance (mm):
5.00
Substrate:
Black Diamond™ BD-2 (Ge28Sb12Se60)
Coating Specification:
Ravg <1.0% @ 3 - 5μm
f/#:
0.89
Type:
Aspheric Lens
Wavelength Range (nm):
3000 - 5000
Index of Refraction nd @ 4μm:
2.6210
Index of Refraction nd @ 14μm:
2.5843
Index of Refraction nd @ 10μm:
2.6023
Index of Refraction nd @ 5μm:
2.6173
Transformation Temperature (°C):
285.00
Coefficient of Thermal Expansion CTE (10-6/°C):
14.00
Density (g/cm3):
4.68
Thermo-optic coefficient dn/dT:
70 x 10-6/°C from -40° to +80°C (5 - 14 μm)
Asphere Figure Error (μm RMS):
Diffraction Limited Transmitted Wavefront

Regulatory Compliance

Reach 174:
RoHS 2015:

產品系列說明

  • 波長範圍是1 - 14μm
  • 具有多種鍍膜選項
  • 提供有鏡框與無鏡框的解決方案

我們的紅外線非球面透鏡非常適用於多種中波與長波紅外應用。The low-cost, molded design offers several key benefits over Germanium substrate aspheres. With a dn/dT and CTE significantly less than that of Germanium, our lenses feature a smaller change in focal length as a function of temperature change. And, with a higher operating temperature than Germanium (which suffers 20 – 30% transmission loss at 100°C), our lenses can be used in applications that were not previously possible with Germanium.

The Mid-Wave and Long-Wave Infrared (IR) Aspheric Lenses are available with a variety of coating options. For custom requirements, including custom coatings, custom designs, or adding diffractive features to the aspheric surface, please contact our Sales Department.

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