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Focusing Lens for YAG Laser
Focusing lens are used to focus laser beam. The objective of focusing the laser beam is to use the laser power for material processing.
Specifications
Diameter Tolerance +0/-0.13mm
Thickness Tolerance ±0.25mm
FL Tolerance <±2%
Centration <3 arc minutes
Clear Aperture >80%
Surface Figure λ/4 Per 1” Dia @632.8nm
Surface Quality 60-40 scratch and dig
AR/AR coating R<0.5% Per surface
| Part No. | Diameter (mm) | EFL (mm) | ET (mm) | Material | Wavelength (nm) |
|---|---|---|---|---|---|
| LBK-10.5-27.8-ET2.5 | 10.5 | 27.8 | 2.5 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-15-ET2 | 12.7 | 15.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-20-ET2 | 12.7 | 20.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-31-ET2 | 12.7 | 31.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-50-ET2 | 12.7 | 50.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-75-ET2 | 12.7 | 75.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-100-ET2 | 12.7 | 100.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-120-ET2 | 12.7 | 120.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-140-ET2 | 12.7 | 140.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-0.5-160-ET2 | 12.7 | 160.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-14-37.8-ET2.5 | 14.0 | 37.8 | 2.5 | BK7 | 1064/800/633/532/355 |
| LBK-15-20-ET2 | 15.0 | 20.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-15-35-ET2.5 | 15.0 | 35.0 | 2.5 | BK7 | 1064/800/633/532/355 |
| LFS-25-75-ET2 | 25.0 | 75.0 | 2.0 | Fused Silica | 1064/800/633/532/355 |
| LFS-25-80-ET2 | 25.0 | 80.0 | 2.0 | Fused Silica | 1064/800/633/532/355 |
| LFS-25-100-ET2 | 25.0 | 100.0 | 2.0 | Fused Silica | 1064/800/633/532/355 |
| LBK-1-25.4-ET2 | 25.4 | 25.4 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-35-ET2 | 25.4 | 35.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-40-ET2.16 | 25.4 | 40.0 | 2.2 | BK7 | 1064/800/633/532/355 |
| LBK-1-50-ET2 | 25.4 | 50.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-50-ET2 | 25.4 | 50.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-60-ET2 | 25.4 | 60.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-70-ET2 | 25.4 | 70.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-75-ET2 | 25.4 | 75.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-100-ET2 | 25.4 | 100.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-100-ET2 | 25.4 | 100.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-125-ET2 | 25.4 | 125.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-150-ET2 | 25.4 | 150.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-150-ET2 | 25.4 | 150.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-152-ET2 | 25.4 | 152.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-175-ET2 | 25.4 | 175.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-200-ET2 | 25.4 | 200.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-200-ET2 | 25.4 | 200.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-250-ET2 | 25.4 | 250.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-250-ET2 | 25.4 | 250.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-1-300-ET2 | 25.4 | 300.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-300-ET2 | 25.4 | 300.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-500-ET2 | 25.4 | 500.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-500-ET2 | 25.4 | 500.0 | 2.0 | Fused Silica | 1064 |
| LBK-1-1000-ET2 | 25.4 | 1000.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-1-1000-ET2 | 25.4 | 1000.0 | 2.0 | Fused Silica | 1064 |
| LBK-30-80-ET2 | 30.0 | 80.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-30-100-ET2 | 30.0 | 100.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LBK-30-120-ET2 | 30.0 | 120.0 | 2.0 | BK7 | 1064/800/633/532/355 |
| LFS-38-100-ET3 | 38.0 | 100.0 | 3.0 | Fused Silica | 1064 |
| LFS-38-150-ET3 | 38.0 | 150.0 | 3.0 | Fused Silica | 1064 |
| LFS-38-200-ET3 | 38.0 | 200.0 | 3.0 | Fused Silica | 1064 |
| LFS-38-350-ET3 | 38.0 | 350.0 | 3.0 | Fused Silica | 1064 |
| LFS-38-500-ET3 | 38.0 | 500.0 | 3.0 | Fused Silica | 1064 |
| LFS-45-4-ET1.5 | 45.0 | 101.6 | 1.5 | Fused Silica | 1064/800/633/532/355 |
| LFS-45-5-ET1.5 | 45.0 | 127.0 | 1.5 | Fused Silica | 1064/800/633/532/355 |
| LFS-45-6-ET1.5 | 45.0 | 152.4 | 1.5 | Fused Silica | 1064/800/633/532/355 |
| LBK-50-100-ET3 | 50.0 | 100.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-150-ET3 | 50.0 | 150.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-200-ET3 | 50.0 | 200.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-250-ET2 | 50.0 | 250.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-300-ET2 | 50.0 | 300.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-400-ET2 | 50.0 | 400.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-450-ET2 | 50.0 | 450.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-500-ET2 | 50.0 | 500.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-600-ET2 | 50.0 | 600.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-800-ET2 | 50.0 | 800.0 | 3.0 | BK7 | 1064/800/633/532/355 |
| LBK-50-1000-ET2 | 50.0 | 1000.0 | 2.5 | BK7 | 1064/800/633/532/355 |