
249-283.5nm Laser — Narrow Linewidth CW Laser
PL-NL-249-283.5Design Tools
249-283.5nm Laser Based on high-power, low-noise Yb-doped fiber lasers amplification and frequency quadrupling technology, Precilasers can provide high-power, narrow linewidth laser output with a wavelength ranging from 249 to 283.5 nm.
Features
- Narrow Linewidth Low
- High Power Power Stability
- Excellent Beam Quality
- Never Mode
- High Temperature And Vibration
- Resistance
Applications
- Helium Atom Single Photon
- Rydberg Parametric Conversion
| Models | FL-SF-XXXX-YY-CW (1) |
|---|---|
| Wavelength Range | 249-283.5nm |
| Typical Wavelength | 257nm / 266nm |
| Operation Mode | CW |
| Output Power | >0.1W / >0.5W / >1W |
| Thermal Tuning Range | >0.17nm, Never Mode-hop |
| Output Mode | Free Space Output |
| Beam Diameter | 0.8-1.2mm |
| Linewidth (2) (100us) | <40kHz |
| PER | >20dB |
| Power Stability | <1%@3hours, RMS |
| Beam Quality | M 2 <1.3 |
| Fast Frequency Tuning Range | >3GHz |
| Fast Frequency Tuning Bandwidth | >5kHz |
| AOM Tuning Range (Optional) | >±5MHz |
| AOM Tuning Bandwidth (Optional) | >500kHz |
| RIN | <0.08% (10Hz-100MHz, RMS) |
| Cooling | Air Cooling/Water Cooling |
| Temperature | 15-30 °C (Air Cooling) or 15-35 °C (Water Cooling) |
| Power Supply | 100V-240V, AC, 50/60Hz |
| Communication | RS422 |
Source: PreciLasers manufacturer datasheet. Download the brochure (PDF) from the Documents tab for full details.






