940nm 30W Fiber Coupled Diode Laser for pumping
Product Features:
940nm 30W fiber-coupled semiconductor laser products are produced by BWT fully automated production equipment to ensure consistent performance, and have been put on the market in batches for many years. In addition to this product, BWT also provides 405nm-1940nm, 2mW-4kW products. Provide customers with customized products and services.
Today, BWT is gradually developing into a global leader in the field of laser solutions, with products in more than 70 countries and regions around the world. There are more than 10 million lasers running online in the world, and the applications involve many fields such as industry, medical treatment, business, scientific research, information, etc., bringing new changes to the development of the industry and the enhancement of customer value.
Main Features
Wavelength: 940nm
Output power: 30W
Fiber core diameter: 105μm
Optical fiber numerical aperture: 0.22 NA
Feedback protection: 1400nm~1600nm
Applications:
Fiber laser pump source
Instructions for use
-Make sure the fiber output end is properly cleaned before operation of laser. Follow safety protocols to avoid injury when handling and cutting the fiber.
-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 35℃ .
-Storage temperature ranges from -20℃ to +70℃.
| Specifications（25℃） | Symbol | Unit | K940DA3HN-30.00W | |||
| Minimum | Typical | Maximum | ||||
| Optical Data(1) | CW Output Power | PO | W | 30 | - | - |
| Center Wavelength | lc | nm | 940±3 | |||
| Spectral Width(FWHM) | △l | nm | - | 3 | 6 | |
| Wavelength Shift with Temperature | △l/△T | nm/℃ | - | 0.3 | - | |
| Wavelength Shift with Current | △l/△A | nm/A | - | 0.6 | - | |
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | - | 52 | - |
| Operating Current | Iop | A | - | 12 | 13 | |
| Threshold Current | Ith | A | - | 1.2 | - | |
| Operating Voltage | Vop | V | - | 4.8 | 5.4 | |
| Slope Efficiency | η | W/A | - | 2.7 | - | |
| Fiber Data | Core Diameter | Dcore | μm | - | 105 | - |
| Cladding Diameter | Dclad | μm | - | 125 | - | |
| Numeric Aperture | NA | - | - | 0.22 | - | |
| Fiber Length | Lf | m | - | 1 | - | |
| Fiber Loose Tubing Diameter | - | mm | 0.9 | |||
| Minimum Bending Radius | - | mm | 50 | - | - | |
| Fiber Termination | - | - | None | |||
| Feedback Isolation | Wavelength Range | - | nm | 1400~1600 | ||
| Isolation | - | dB | - | 30 | - | |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage Temperature(2) | Tst | ℃ | -20 | - | 70 | |
| Lead Soldering Temp | Tls | ℃ | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating Case Temperature(3) | Top | ℃ | 15 | - | 35 | |
| Relative Humidity | RH | % | 15 | - | 75 | |
