Laser Focus Lens

Laser Focus Lens
Laser Focus Lens
Laser Focus Lens
Laser Focus Lens
Laser Focus Lens
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The laser focus lens features CVD ZnSe imported from America, boasting low material absorption rate, excellent high-power density endurance, firm surface membrane, and great scratch resistance. The imported CVD ZnSe double-side antireflection film is mainly used to decrease or eliminate the reflective lights from optical lens, prisms, plane mirrors, etc. so as to increase light penetration and decline or eliminate stray lights. To adapt to increasingly expanded applications, various antireflection films are developed, like single-wavelength antireflection film, dual-wavelength antireflection film, bandwidth antireflection film, super wide bandwidth antireflection film, dual-waveband antireflection film, etc. In the common working band (10.6 um) of CO2 laser industry, the transmittance of the CO2 laser focus lens can reach stunning 99.8%. This single chip focus lens is often used as laser cutting machine focus lens, laser engraving machine focus lens, etc.

All the CVD ZnSe focus lenses with common diameters like 18mm, 19.05mm, 20mm, and 25mm are available in Eastern Laser, and we also provide trailer-made laser focus lenses with various diameters to satisfy any requirement.

Model Number Format for Laser Focus Lens
FL: focus lens with single focus
10.6: 10.6um in wavelength
F:Focal length (mm)
D: Diameter (mm)
T:Thickness(mm)
yy: other applications

Technical Parameters of Laser Focus Lens
No. Model Diameter
(mm)
Focal length (mm) Thickness (mm) Material
01 D12.7ET2FL2 12.7 50.8 1.8 ZnSe/CaAs
02 D14.5ET2FL1.5 14.5 38.1 1.8 ZnSe/CaAs
03 D14.5ET2FL2.0 14.5 50.8 1.8 ZnSe/CaAs
04 D15.26ET2FL1.5 15.26 38.1 2.0 ZnSe/CaAs
05 D15.26ET2FL2.0 15.26 50.8 2.0 CVD /PVD ZnSe
06 D15.26ET2FL2.5 15.26 63.5 2.0 CVD/PVD ZnSe
07 D18ET2FL1.5 18.0 38.1 2.0 CVD /PVD ZnSe
08 D18ET2FL2.0 18.0 50.8 2.0 CVD /PVD ZnSe
09 D18ET2FL2.5 18.0 63.5 2.0 CVD /PVD ZnSe
10 D18ET2FL3.0 18.0 76.2 2.0 CVD /PVD ZnSe
11 D18ET2FL4.0 18.0 101.6 2.0 CVD /PVD ZnSe
12 D20ET2FL1.5 20.0 38.1 2.0 CVD /PVD ZnSe
13 D20ET2FL2.0 20.0 50.8 2.0 CVD /PVD ZnSe
14 D20ET2FL2.5 20.0 63.5 2.0 CVD /PVD ZnSe
15 D20ET2FL3.0 20.0 76.2 2.0 CVD /PVD ZnSe
16 D20ET2FL4.0 20.0 101.6 2.0 CVD /PVD ZnSe
17 D19.05ET2FL1.5 19.05 38.1 2.0 CVD /PVD ZnSe
18 D19.05ET2FL2.0 19.05 50.8 2.0 CVD /PVD ZnSe
19 D19.05ET2FL2.5 19.05 63.5 2.0 CVD /PVD ZnSe
20 D19.05ET2FL3.0 19.05 76.2 2.0 CVD /PVD ZnSe
21 D19.05ET2FL4.0 19.05 101.6 2.0 CVD /PVD ZnSe
22 D25.4ET3FL50.8 25.4 50.8 3.0 CVD ZnSe
23 D25.4ET3FL63.5 25.4 63.5 3.0 CVD ZnSe
24 D25.4ET3FL76.2 25.4 76.2 3.0 CVD ZnSe
25 D25.4ET3FL101.6 25.4 101.6 3.0 CVD ZnSe
26 D25.4ET3FL127 25.4 127 3.0 CVD ZnSe
27 D27.94ET3FL50.8 27.94 50.8 3.0 CVD ZnSe
28 D27.94ET3FL63.5 27.94 63.5 3.0 CVD ZnSe
29 D27.94ET3FL76.2 27.94 76.2 3.0 CVD ZnSe
30 D27.94ET3FL101.6 27.94 101.6 3.0 CVD ZnSe
31 D27.94ET3FL127 27.94 127 3.0 CVD ZnSe
32 D30ET3FL50.8 30.0 50.8 3.0 CVD ZnSe
33 D30ET3FL63.5 30.0 63.5 3.0 CVD ZnSe
34 BL30ET3FL76.2 30.0 76.2 3.0 CVD ZnSe
35 BL30ET3FL101.6 30.0 101.6 3.0 CVD ZnSe
36 D30ET3FL127 30.0 127 3.0 CVD ZnSe
37 D38.1ET2FL5 38.1 127 7.87 CVD ZnSe
38 D38.1ET2FL7.5 38.1 190.5 7.87 CVD ZnSe
When using infrared optical elements (like laser focus lens), please take the following precautions seriously:
  • When using optical elements, you should always wear powder-free finger cots or rubber / latex gloves in that dirt and oil stains will seriously contaminate optical elements, resulting in a significant decline in performance.
  • Do not use any tool to manipulate optical elements, including tweezers.
  • For the purpose of protection, optical elements should always be placed on provided lens paper.
  • Do not place optical elements on hard or rough surfaces because infrared optical elements can be easily scratched.
  • Do not clean or touch the surface of exposed gold or copper.
  • All materials used to produce infrared optical elements are fragile, whether they are single crystal or polycrystalline, whether the grains are large or small. The materials are not as strong as glass, and they can not bear the same procedures as those of glass optical elements
  • Because when you clean optical elements installed on frames, a variety of problems may occur, it is recommended that you only resort to the cleaning proced
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