Excimer Laser Focusing Lens / ETL_EDL_NEDL
These lenses are manufactured with a synthetic fused silica material and it has a high transmittance value in the ultra-violet wavelength of 180 − 400nm. They have excellent performance and are idealfor focusing and imaging applications. There is no adhesive or heat absorption material used to produce these lenses, as a result they show high resistance to the ultraviolet light.
Common Specifications
| Material | Synthetic fused silica for Excimer Laser |  |
|---|---|---|
| Material of Frame | Aluminum Finishing: Black anodized | |
| Design Wavelength | 248nm | |
| Coating | Uncoated | |
| Acceptance Angle | ±1° |
| Schematic | Outline Drawing |
|---|---|
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| Part Number | Focal Length ｆ | Length L | Numerical aperture (NA) | Working distance (WD) |
|---|---|---|---|---|
| ETL-30-40P | 39.6mm | 22mm | 0.34 | 31.1mm |
| ETL-30-50P | 49.8mm | 22mm | 0.27 | 41.6mm |
| ETL-30-60P | 59.7mm | 22mm | 0.23 | 52.4mm |
| ETL-30-80P | 79.8mm | 22mm | 0.17 | 73.2mm |
| NEDL-30-100P | 99.9mm | 12mm | 0.14 | 94.6mm |
| NEDL-30-150P | 149.3mm | 12mm | 0.09 | 144.6mm |
| NEDL-30-200P | 199.3mm | 12mm | 0.07 | 194.7mm |
| EDL-50-100P | 100.4mm | 20mm | 0.24 | 87.1mm |
| EDL-50-150P | 149.6mm | 20mm | 0.16 | 137.9mm |
| EDL-50-200P | 199.1mm | 20mm | 0.12 | 187.8mm |
| EDL-50-250P | 249.0mm | 20mm | 0.09 | 238mm |
| EDL-50-300P | 298.6mm | 20mm | 0.08 | 288mm |
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