B2 Fiber coupled diode laser 976nm-3W Wavelength-Stabilized

Features of wavelength-stabilized fiber coupled diode laser. BWT uses automation equipment to guarantee the performance conformity of batch products

Products Details

Product Features

Features of wavelength-stabilized fiber coupled diode laser. BWT uses automation equipment to guarantee the performance conformity of batch products; BWT adopts a separate VBG coupling process for each chip to ensure the best wavelength locked effect; BWT’s experienced Chinese and European technical team provides a solid foundation for wavelength-stabilized fiber coupled diode laser design, development and manufacturing. BWT, founded in 2003, focuses on the development and manufacturing of laser technology. BWT has more than ten years of design, development and manufacturing experience in the field of wavelength locked diode lasers, and has provided more than 100K products for hundreds of customers at home and abroad, which are used in various types of fiber lasers, solid-state lasers and ultrafast laser pump sources. The performance of the products has been widely recognized by users at home and abroad.

Main Features

Wavelength:976±0.5nm Output power: 3W Fiber core diameter: 105μm Optical fiber numerical aperture:0.22 NA Applications: Fiber laser pump source Instructions for use -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 20℃ to 30℃ . - Storage temperature ranges from -20℃ to +70℃. 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 3 - -
Center Wavelength⑵ λc nm 976±0.5
Spectral Width(FWHM) △λ nm - - 0.7
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 % - 50 -
Operating Current Iop A - 4 5
Threshold Current Ith A - 0.9 -
Operating Voltage Vop V - 1.6 1.8
Slope Efficiency η W/A - 1 -
Fiber Data Core Diameter Dcore μm - 105 -
Cladding Diameter Ddad 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 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 3W@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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