High reliability 940nm wavelength 20W 0.15NA 105um multi-mode fiber diode laser-DFB laser | SLED Module

High reliability 940nm wavelength 20W 0.15NA 105um multi-mode fiber diode laser

20W 940nm Uncooled multimode laser diodes has been designed to provide the high power and reliability required for pumping.

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Features

940nm Single emitting laser;

20W Output power;

105/125μm 0.15NA Fiber;

High brightness;

RoHS Compliance.

Applications

Medical care;

Pump source;

Material processing.

Electro-Optical Parameters

Parameter	Symbol	Min	Typical	Max	Unit
Operating output power	P_out	20.0	-	-	W
Range of available wavelength	λ	930	940	950	nm
Spectral width @ FWHM	Δλ		3.5	7.0	nm
Threshold current	Ith	-	0.5	0.9	A
Operating current at Pout	I_op		12.0	13.0	A
Forward voltage at Pout	V_f		3.65	-	V
Power conversion efficiency	-		45%		-
Slope efficiency	η		2.5		W/A
Wavelength temperature coefficient	Δλ/ΔT	-	0.3	-	nm/℃
Fiber core/cladding diameter	D_COR		105/125		µm/µm
Fiber numerical aperture	NA		0.15		-

Package

Original Carton Package;

As customers‘ requirement.

Shipping

5-10 Working days after receive the payment;

Shipment: Air transportation(DHL / UPS / TNT / Fedex / EMS / CHINA POST);

Shipping fee depends on the weight and size.

Payment

For large orders: T/T, Credit card;

For small orders: Paypal are accepted.

Warranty

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.)

Refund & Replacement

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.