• High-Brightness 445 nm Blue Output
• Industrial 250 W Total Output
• 0.15 Numerical Aperture
• Narrow 105 µm Fiber Core
• Integrated Visible Aiming Beam
• High-Power HP-SMA905 Termination
• Advanced Thermal Management
• Non-Ferrous Metal Welding
• Additive Manufacturing (3D Printing)
• Scientific Research
• Industrial Coating & Cladding
• EV Battery Manufacturing
| SPECIFICATIONS ( 20°C ) | SYMBOL | UNIT | K445HR6FN-250.0W | |||
|---|---|---|---|---|---|---|
| MINIMUM | TYPICAL | MAXIMUM | ||||
| OPTICAL DATA(1) |
Total CW Output Power | Po | W | 250 | — | — |
| Center Wavelength | λc | nm | 445 ± 20 | |||
| Spectral Width (FWHM) | Δλ | nm | — | 6 | — | |
| Wavelength Shift / Temp | Δλ/ΔT | nm/°C | — | 0.1 | — | |
| Sub-module Count | — | pcs | — | 4 | — | |
| ELECTRICAL DATA |
Electrical-to-Optical Efficiency | PE | % | — | 30 | — |
| Threshold Current | Ith | A | — | 0.35 | — | |
| Operating Current (single module) | Iop | A | — | 3.5 | 3.8 | |
| Operating Voltage (single module) | Vop | V | — | 52 | 60 | |
| FIBER DATA |
Core Diameter | Dcore | μm | — | 105 | — |
| Numeric Aperture | NA | — | — | 0.22 | — | |
| Fiber Length | Lf | m | — | 2.0 | — | |
| Fiber Termination | HP-SMA905 | |||||
| THERMAL & OTHERS |
Cooling Method | Water Cooling | ||||
| Cooling Capacity | — | W | ≥500 | — | — | |
| Cooling Water Temperature | T | °C | 20 ± 5 | |||
| Water Discharge | — | L/min | — | 7 | — | |
| COMPONENTS | Thermistor (Resistance) | Rt | K Ω | 10 ± 3% | ||
| OTHERS | ESD | Vesd | V | — | — | 500 |
| Storage Temperature(2) | Tst | °C | -20 | — | 70 | |
| Operating Case Temp(3) | Top | °C | 20 | — | 30 | |
| Relative Humidity | RH | % | 15 | — | 75 | |
We offer custom laser diodes according to your needs, either high-power or low-power versions, fiber-coupled or free-space, specific wavelengths, wavelength-stabilized options, and single or multi-emitter diodes. To discuss your custom laser diode needs, you can contact us by sending an email or using the contact form.