WA-4 Series Water Cooled Diode Laser Array
WA-4 Series water cooled diode laser array is a narrow linewidth, high peak power diode laser array product developed by RealLight. The WA-4 series is composed of 4 stacks arranged in a linear configuration, with 1-3 bars in each stack, and each bar has a power of 120W/250W. Other powers, wavelengths and packaging forms can be customized.
Product Parameters
| Optical Parameters | ||
| Center Wavelength λc（nm） | 790-812 | |
| Wavelength Tolerance δλc（nm） | ±3 | |
| Output Power per Bar（W） | 120 | 250 |
| Number of Stacks | 4 | |
| Stack-to-Stack Pitch（mm） | 0.5 | |
| Maximum Peak Power（W） | 1500 | 2000 |
| Number of Bars per Stack | 1-3 | 1-2 |
| Bar-to-Bar Pitch（mm） | 0.43 | 0.55 |
| Spectral Width（FWHM）（nm） | <6 | |
| Fast Axis Divergence Angle（FWHM）（°） | ≤40 | |
| Slow Axis Divergence Angle（FWHM）（°） | ≤10 | |
| Wavelength Temperature Coefficient（nm/℃） | ~0.3 | |
| Electrical Parameters | ||
| EO Conversion Efficiency（%） | ≥50 | |
| Threshold Current Ith（A） | ≤20 | ≤30 |
| Operating Current Iop（A） | 120 | 220 |
| Operating Voltage Vop of each Bar（V） | ≤2.1 | |
| Duty Cycle（%） | ≤3 | |
| Pulse Width（μs） | ≤300 | |
| Repetition Rate（Hz） | ≤100 | |
| Environment Parameters | ||
| Water Flow Rate（L/min） | ≥3 | |
| Water Pressure（Mpa） | ≤0.5 | |
| Operating Temperature（℃） | 10-40 | |
| Storage Temperature（℃） | -20~60 | |
Notes：
1.Wavelengths from 940nm to 960nm available upon request.
2. Custom number of bars and bar-to-bar pitch are available upon request.
3. The installation and wiring can be customized to meet the customer’s requirements.
Application
Pumping source
Scientific research
Key Features
AuSn solder for packaging
Compact design
High peak power
High reliability
