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LightPath 390028 | 12.22mm Dia., 0.56 NA, BBAR (3000-5000nm), Mounted IR Aspheric Lens

Stock #87-182
NT$15,480
Qty 1-10
NT$15,480
Qty 11
NT$13,932
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Diameter (mm):
12.22 ±0.10
Effective Focal Length EFL (mm):
5.95
Numerical Aperture NA:
0.56
Focal Length Specification Wavelength (nm):
4100
Focal Length Specification Wavelength (μm):
2.30
Center Thickness CT (mm):
5.40
Coating:
BBAR (3000-5000nm)
Coating Specification:
Ravg <1.0% @ 3 - 5μm
Substrate:
Black Diamond™ BD-2 (Ge28Sb12Se60)
Clear Aperture CA (mm):
7.60
Surface Quality:
80-50
Bevel:
Protective bevel as needed
f/#:
0.89
Coefficient of Thermal Expansion CTE (10-6/°C):
14.00
Density (g/cm3):
4.68
Index of Refraction nd @ 10μm:
2.6023
Index of Refraction nd @ 14μm:
2.5843
Index of Refraction nd @ 4μm:
2.6210
Index of Refraction nd @ 5μm:
2.6173
Lightpath Lens Code:
390028
Mount:
Stainless Steel, M12 x 0.5 Thread
Thermo-optic coefficient dn/dT:
70 x 10-6/°C from -40° to +80°C (5 - 14 μm)
Transformation Temperature (°C):
285.00
Type:
Aspheric Lens
Wavelength Range (nm):
3000 - 5000
Working Distance (mm):
5.00
Conjugate Distance:
Infinite

Regulatory Compliance

RoHS 2015:
Reach 209:

產品系列說明

  • 波長範圍是1.8 - 12μm
  • 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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