Professional Design 4 pin laser diode - 976nm 140W High power and brightness wavelength locked diode laser – BWT

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Professional Design 4 pin laser diode - 976nm 140W High power and brightness wavelength locked diode laser – BWT Detail:

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

K976BN1RN-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
Feedback Isolation	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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