976nm 140W High power and brightness wavelength locked diode laser

976nm 140W High power and brightness wavelength locked diode laser is widely used in industrial pump sources.

Products Details

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 source

Instructions 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/T


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
(1) Data measured under operation output at 140W@25°C. (2) Wavelength-Stabilized : Percentage of power in band of 974.5nm to 977.5nm ≧90%. (3) A non-condensing environment is required for operation and storage. (4) Operating temperature defined by the package case. Acceptable operating range is 20°C~30°C, but performance may vary.

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