High Power 940nm 20W CW Laser Diode Chip

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Product Description

The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.

Product Detail

1. Summary of High Power 940nm 20W CW Laser Diode Chip

The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.

2. Introduction of High Power 940nm 20W CW Laser Diode Chip

The High Power 940nm 20W CW Laser Diode Chip, output power 20W, long lifetime, high efficiency, widely used in Industrial pump, Laser illumination, R&D and other fields.

3. Features of High Power 940nm 20W CW Laser Diode Chip

Wavelength 940nm;

Output power 20W;

Working life > 20000h;

Low dark current, Low capacitance;

High reliability, Long operation life;

4. Application of High Power 940nm 20W CW Laser Diode Chip

Industry;

Pump;

Illumination;

Medical treatment.

5. Characteristics of High Power 940nm 20W CW Laser Diode Chip

Parameter	Symbol	Min.	Typ.	Max.	Unit
Operation
Center wavelength	λc	939	942	945	nm
Optical output power	Po	-	20	-	W
Operation mode	-	CW			-
Power modulation	-	-	100	-	%
Electro Optical Data
Fast axis divergency (FWHM)	θ⊥	-	29	-	deg
Slow axis divergency (FWHM)	θ‖	-	9	-	deg
Spectral bandwidth (FWHM)	Δλ	-	4	-	nm
Pulse wavelength	λ	927	930	933	nm
Slope efficiency	η	0.95	1.0	-	W/A
Conversion efficiency	-	50	54	-	%
Threshold current	ITH	-	1.3	1.6	A
Operating current	IOP	-	23.0	24.5	A
Operating voltage	VOP	-	1.75	1.95	V
Temperature characteristics(dλ/dT)	-	-	0.34	-	nm/℃
Polarization	-	-	TE	-	-
LD Operating temperature	-	-	25	-	℃
Geometrical
Emitter width	W	-	190	-	µm
Emitter pitch	P	490	500	510	µm
Cavity length	L	3990	4000	4010	µm
Thickness	D	110	130	150	µm

6. LIV Curve of High Power 940nm 20W CW Laser Diode Chip

7. Deliver,Shipping And Serving of High Power 940nm 20W CW Laser Diode Chip

All products have been tested before shipping out;

All products have 1-3 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)

We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items);

If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;

If the items are defective, please notify us within 3 days of delivery;

Any items must be returned in their original condition to qualify for a refund or replacement;

The buyer is responsible for all the shipping cost incurred.