Product Features
The R7 blue diode laser is an upgraded version of the original R6 series blue laser. The performance of modified laser products is in the leading position in the world. Its wavelength is 445nm, the power is 50W, the beam quality is higher, and it has the advantage of conduction cooling. Due to its high photon energy advantage, blue diode laser has the characteristics of high absorption rate and no spatter in the processing of copper and other metal materials. It has irreplaceable advantages in the field of material processing. R7 series blue diode lasers will continue to launch new products, please stay tuned.Main Features
445nm wavelength 50W output power 113µm fiber core diameter，0.15NA BPP=8 mm. mrad Applications: Material Processing 3D Printing Scientific ResearchInstructions for use
- The K445HR7FN Series blue laser consists of up to 2 submodules（25W per module）. Power can be supplied separately or in series. - Optional functions. - Use constant current power supply to avoid surge current during operation. - Laser diode must be used according to the specifications. - Laser diode must work with good cooling. - Operation temperature ranges from 15℃ to 30℃. - Storage temperature ranges from -20℃ to +70℃.| Specifications(20℃) | Symbol | Unit | K445HR7FN-50.00WN1N-11315 | |||
| Minimum | Typical | Maximum | ||||
| Optical Data(1) | Total CW Output Power | Pbol (4) | W | 50 | - | - |
| Number of submodules | pcs | - | - | 2 | - | |
| Submodule CW Output Power | Po | W | - | 25 | - | |
| Center Wavelength | lc | nm | 445±20 | |||
| Spectral Width (FWHM) | △l | nm | - | 6 | - | |
| Wavelength Shift with Temperature | △l/△T | nm/℃ | - | 0.1 | - | |
| Wavelength Shift with Current | △l/△A | nm/A | - | 1 | - | |
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | - | 30 | - |
| Operating Current | Ibol (4) | A | - | 2.5 | 3.5 | |
| Threshold Current | Ith | A | - | 0.35 | - | |
| Operating Voltage（single module） | Vop | V | - | 35 | 40 | |
| Slope Efficiency（single module） | η | W/A | - | 11.5 | - | |
| Power Supply Mode | - | - | - | 2 modules | - | |
| Fiber Data | Core Diameter | Dcore | µm | - | 113 | - |
| Numerical Aperture | NA | - | - | 0.15 | - | |
| Minimum Bending Radius | - | mm | 50 | - | - | |
| Fiber Termination | - | - | - | SMA905 | - | |
| Thermistor | - | Rt | (KΩ)/β(25℃) | - | 10±3%/3450 | - |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage Temperature (2) | Tst | ℃ | -20 | 70 | ||
| Lead Soldering Temp | Tls | ℃ | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating Temperature (3) | Top | ℃ | 15 | - | 30 | |
| Relative Humidity | RH | % | 15 | - | 75 | |