QCW Fiber Lasers

Keywords: YAG laser, QCW, fiber laser

Jan 24, 2021 View: 3893 Data Sheet

The Quasi-Continuous Fiber Laser Series ranges from 75W to 600W, with higher electro-optical conversion efficiency, better optical quality and lower maintenance cost.

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1940nm QCW Fiber Lasers

Small, air-cooled form factor with QCW power up to 650W.

Our 1940nm series Continuous Wave (CW) and Quasi-Continuous Wave (QCW) fiber lasers deliver CW power up to 100 W and QCW pulsed power up to 625 W from a compact, air cooled, 48 V DC powered package. These highly reliable and energy efficient lasers operate at 1940nm wavelength and provides up to 7J of energy for your most demanding applications. Options include a high-power multi-mode output or a medium power single mode output, ideal for a diverse set of medical, industrial, scientific, aerospace and defense applications.

Features:

• 60W to 100W CW models provide power level and pulse energy options to support a range of applications.

• Customizable interface location and fiber length for ease of system integration.

• 625W of peak power & pulse widths as short as 50 us

• Equipped with air cooled package, eliminating need for a water chiller

QCW Fiber Laser Specifications:

Models	STN-TFL-60	STN-TFL-60-M	STN-TFL-100
Optical Specifications
Central laser wavelength	1940nm± 10 nm	1940nm± 10 nm	1940nm± 10 nm
Mode of Operation	CW / QCW	CW / QCW	CW / QCW
Polarization	Random	Random	Random
Maximum Peak Power	625 W	625 W	625 W
Maximum CW Power	60 W	60 W	60 W
Power Tunability	3 – 100%	3 – 100%	3 – 100%
Modulation Frequency	≤ 10 kHz	≤ 10 kHz	≤ 10 kHz
Rise and Fall Times	≤ 10 μs	≤ 10 μs	≤ 10 μs
Maximum Pulse Energy	7 J	7 J	7 J
Output Beam	Single mode, 22 μm MFD	Multi-mode, 75 μm core	Multi-mode, 75 μm core
Beam Quality M2	<1.3	4 typ, (spec. <5)	<5
Electrical Specifications
Operating Voltage, DC	48 V	48 V	48 V
Control Interface	External hardware	External hardware	External hardware
Mechanical Specifications
Dimensions	540 x 481 x 179 mm	540 x 481 x 179 mm	540 x 481 x 179 mm
Optical Fiber	0.9 m, FC/A connector	0.9 m, FC/A connector	0.9 m, FC/A connector
Cooling Method	Air	Air	Air
Environmental Specifications
Operating Temperature	+15 to +30°C	+15 to +30°C	+15 to +30°C
Storage Temperature	-10 to +60°C	-10 to +60°C	-10 to +60°C
Relative Humidity	10 to 80%	10 to 80%	10 to 80%

STR Series High Power QCW Fiber Lasers

The Quasi-Continuous Fiber Laser Series ranges from 75W to 600W, with higher electro-optical conversion efficiency, better optical quality and lower maintenance cost. This series product is a perfect alternative of existing light-pumped YAG laser and is an ideal choice for spot welding, seam welding, boring and other industrial applications needing wide pulse and high peak due to its persified compatibility and the convenience for most YAG systems to use it with simple transformation.

Features:

High electro-optical conversion efficiency> 30%
Two work modes: continuous and pulse
Extremely stable output performance
Excellent light beam quality
Optional QCS / QBH output connector and output length

Technical specifications:

Model	STR-QCW150/1500	STR-QCW300/3000	STR-QCW450/4500	STR-QCW600/6000
Operation mode	CW/Modulation	CW/Modulation	CW/Modulation	CW/Modulation
Average power(CW), (W)	250	500	750	800
Average power(Pulse), (W)	150	300	450	600
Maximum output power, (W)	1500	3000	4500	6000
Maximum pulse energy,(J)	15	30	45	60
Wavelength (nm)	1080±5	1080±5	1080±5	1080±5
Repetition rate (Hz)	0-5000	0-5000	0-5000	0-5000
Pulse width (ms)	0.05-50	0.05-50	0.05-50	0.05-50
Output power stability	<3%	<3%	<3%	<3%
Red laser	Yes	Yes	Yes	Yes
Beam delivery connector	QBH	QBH	QBH	QBH
BBP (mrad)	0.4, 2, 5	5, 10	5, 10	5, 10
Power supply	200-240	340-420	340-420	340-420
Control mode	RS232/AD	RS232/AD	RS232/AD	RS232/AD
Power output range (%)	10-100	10-100	10-100	10-100
Power consumption (W)	1000	2000	3000	3500
Size (mm)	485x240x680	650x890x1000	650x1000x1450	650x1000x1450
Weight (kg)	<50	<150	<200	<250
Cooling	Air	Water	Water	Water
Operation temperature (°C)	10-40	10-40	10-40	10-40