F-Theta Field Scanning Lenses
The Quartz F-Theta Field Scanning Lens Series is specifically designed for high-power, short-pulse laser material processing at 355 nm. Manufactured from high-purity fused silica, these lenses provide exceptional thermal stability, minimal focal shift, and high laser-damage resistance, making them ideal for demanding UV laser applications.This lens series is widely used in UV laser micromachining, PCB processing, semiconductor fabrication, glass and sapphire processing, and precision marking, where consistent spot size and positioning accuracy are critical.
Features
- Optimized for 355 nm UV laser systems
- Fused silica construction for high damage threshold
- Minimal thermal focus shift under high power
- AR-coated lens surfaces for reduced reflection and absorption
- True F-Theta performance for linear scanning accuracy
- Designed for short-pulse and ultrafast laser processing
- Compatible with galvanometer scanning systems
- Robust mechanical design with M85×1 threaded interface
Applications
- UV laser micromachining
- Semiconductor wafer processing
- PCB drilling and cutting
- Glass and sapphire processing
- Precision laser marking and engraving
- Thin-film and microelectronics fabrication
- High-power short-pulse laser systems
Specifications
Technical Specifications – 355 nm Quartz F-Theta Lenses
| Model | Effective Focal Length (mm) | Scanning Format (mm) | Entrance Pupil (mm) | Scanning Angle (°) | Threaded Interface | Flange Distance (mm) | Working Distance (mm) | M² Bottom End of Thread | Focused Beam Diameter (µm) Centre / Edge |
|---|---|---|---|---|---|---|---|---|---|
| WDA-355-50-100 | 100 | 50 × 50 | 10 | ±20.7 | M85 × 1 | 166.75 | 130.05 | 37 | 7.36 – 14.38 |
| WDA-355-60-100 | 100 | 60 × 60 | 6 | ±25 | M85 × 1 | 164.03 | 136.94 | 48.41 | 9 – 11 |
| WDA-355-60-110 | 110 | 60 × 60 | 6 | ±23.8 | M85 × 1 | 175.20 | 137.40 | 21.65 | 21 – 24 |
| WDA-355-105-170-A | 170 | 105 × 105 | 10 | ±25 | M85 × 1 | 206.80 | 218.10 | 44 | 13.4 – 15.8 |
| WDA-355-105-170-B | 170 | 105 × 105 | 6 | ±27 | M85 × 1 | 242.96 | 216.06 | 37.72 | 15 – 19 |
Download
Download data sheet
