Product Features
BWT，founded in 2003, is committed to the mission of "let the dream drive the light", the vision of becoming the "Global leader in laser solutions", and the value of "Outstanding innovation", providing diode laser, fiber laser, ultra-fast laser products and solutions to global customers. The company pursues continuous innovation and insists on autonomous and controllable advanced process and technology. With Beijing headquarters as the core, BWT has successively established production and R&D centers in Jiangsu, Shanghai and Shenzhen, and invested in the construction of intelligent and digital production base in Tianjin. In order to build the world's highest level of technical strength and product quality, BWT set up a German subsidiary in 2020, introducing European quality standards, and taking a solid step for the internationalization of R&D, production and technological innovation.Main Features
Wavelength：915nm Output power: 250W Fiber core diameter: 135μm Optical fiber numerical aperture：0.22NA Feedback protection: 1020nm-1200nm Applications: Fiber laser pump sourceInstructions for use
- Laser diode must be used according to the specifications. - Laser diode must work with good cooling. - Operation temperature ranges from 15℃ to 35℃ . - Storage temperature ranges from -20℃ to +70℃. Minimum Order Quantity: 1 Piece/Pieces Delivery Time: 2-4weeks Payment Terms: T/TK915-A0-250.0W-13522-D
| Specifications (25°C) | Symbol | Unit | Minimum | Typical | Maximum | |
| Optical Data ( 1 ) | CW OutputPower | Po | w | 250 | - | - |
| Center Wavelength | λc | nm | 915±10 | |||
| Spectral Width(FWHM) | △λ | nm | - | 4 | 6 | |
| Wavelength Shift with Temperature | △λ/△T | nm/°C | - | 0.3 | - | |
| 0.17/0.22NA | △λ/△A | % | 90 | 95 | - | |
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | - | 50 | - |
| Operating Current | Iop | A | - | 26 | 28 | |
| Threshold Current | Ith | A | - | 1.4 | - | |
| Operating Voltage | Vop | V | - | 21 | 23 | |
| Slope Efficiency | η | W/A | - | 10.2 | - | |
| Fiber Data | Core Diameter | Dcore | μm | - | 135 | - |
| Cladding Diameter | Ddad | μm | - | 155 | - | |
| Numeric Aperture | NA | - | - | 0.22 | - | |
| Fiber Length | Lf | m | - | 2 | - | |
| Fiber Loose Tubing Diameter | - | mm | 0.9 | |||
| Minimum Bending Radius | - | mm | 62 | - | - | |
| Fiber Termination | - | - | FF | |||
| Feedback Isolation | Wavelength Range | - | nm | 1020-1200 | ||
| Isolation | - | dB | - | 30 | - | |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage Temperature( 2 ) | Tst | °C | -20 | - | 70 | |
| Lead Soldering Temp | Tls | °C | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating Case Temperature( 3 ) | Top | °C | 15 | - | 35 | |
| Relative Humidity | RH | % | 15 | - | 75 | |