Product Features:
976nm 140W High power and brightness wavelength locked diode laser is widely used in industrial pump sources. Features high power and high brightness. The laser product realizes a high-brightness laser output of 140 watts on the basis of multi-single-tube fiber coupling technology, and adopts volume grating wave locking technology, and the wavelength is controlled within the range of ±1 nanometers. BWT has more than ten years of design, development and manufacturing experience in the field of wavelength-locked semiconductor lasers. Every product that leaves the factory has been tested for aging, and its quality and performance are stable. BWT can also provide customized services for wavelength locking products.Main Features
Wavelength：976±1nm Output power: 140W Fiber core diameter: 106.5μm Optical fiber numerical aperture：0.22 NA Feedback protection：1020nm-1200nm Applications: Fiber laser pump sourceInstructions for use
- Soldering point should be close to the middle of the pins. Soldering temperature should be lower than 260℃ and time shorter than 10 second. - 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. Minimum Order Quantity: 1 Piece/Pieces Delivery Time: 2-4weeks Payment Terms: T/TK976BN1RN-140.0W
| Specifications (25°C) | Symbol | Unit | Minimum | Typical | Maximum | |
| Optical Data ( 1 ) | CW OutputPower | Po | w | 140 | - | - |
| Center Wavelength⑵ | λc | nm | 976±1 | |||
| Spectral Width(FWHM) | △λ | nm | - | - | 1 | |
| Wavelength Shift with Temperature | △λ/△T | nm/°C | - | 0.02 | - | |
| Wavelength Shift with Current | △λ/△A | nm/A | - | 0.03 | - | |
| Electrical Data | Electrical-to-Optical Efficiency | PE | % | - | 48 | - |
| Operating Current | Iop | A | - | 13 | 14 | |
| Threshold Current | Ith | A | - | 0.9 | - | |
| Operating Voltage | Vop | V | - | 22.4 | 23.8 | |
| Slope Efficiency | η | W/A | - | 11.6 | - | |
| Fiber Data | Core Diameter | Dcore | μm | - | 106.5 | - |
| Cladding Diameter | Ddad | μm | - | 125 | - | |
| Numeric Aperture | NA | - | - | 0.22 | - | |
| Fiber Length | Lf | m | - | 2 | - | |
| Fiber Loose Tubing Diameter | - | mm | 0.9 | |||
| Minimum Bending Radius | - | mm | 50 | - | - | |
| Fiber Termination | - | - | None | |||
| Feedback Isolation | Wavelength Range | - | nm | 1020-1200 | ||
| Isolation | - | dB | - | 30 | - | |
| Others | ESD | Vesd | V | - | - | 500 |
| Storage Temperature( 3 ) | Tst | °C | -20 | - | 70 | |
| Lead Soldering Temp | Tls | °C | - | - | 260 | |
| Lead Soldering Time | t | sec | - | - | 10 | |
| Operating Case Temperature( 4 ) | Top | °C | 20 | - | 30 | |
| Relative Humidity | RH | % | 15 | - | 75 | |