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.

8. FAQ

Q: What wavelength would you like?

A: We have 808nm 830nm 880nm 915nm 975nm.

Q: What output power would you like?

A: Box Optronics can customize according to your requirements.

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