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355nm DPSS Lasers

Diode pumped air cooling technology
Good beam quality
The laser is sealed
High performance price ratio.

Brief Description: Diode end-pumped lasers adopt full sealed-off design with small volume and low power consumption as well as fiber-coupled pumping, which is easily for the integration of system and equipment. The modularized design provides the convenience for changing by customers. The laser beam is TEMoo with high beam quality, high peak power and short pulse width. Excellent resonator design can keep average la

PRODUCT DESCRIPTION

1. ST Series DPSS UV Lasers

Diode end-pumped lasers adopt full sealed-off design with small volume and low power consumption as well as fiber-coupled pumping, which is easily for the integration of system and equipment. The modularized design provides the convenience for changing by customers. The laser beam is TEMoo with high beam quality, high peak power and short pulse width. Excellent resonator design can keep average laser power and pulsed peak power stable & constant. This laser can meet the requirements of most industrial precision processing. The micro-optics design of key pumping source is the most advanced all over the world.

Features

Unique split type design
Good beam quality. It is TEM00 with M²≤1.2. It can be used to mark fine lines, suitable for high precision marking applications.
Fiber coupled diode pumping with high pumping efficiency & long lifetime (>20,000 hrs).
The laser is sealed and it is anti-dusty.
High performance price ratio.
Simple control design for easy installation and operation.

Applications

End-pumped diode laser is suitable for marking on various materials, such as nylon, ABS, PVC, PES, steel, titanium, copper, plating materials, coating materials, sprayed materials, plastic, rubber, epoxy resin etc.

Diode end-pumped laser has excellent applications in various fields, such as mobile phone, jewellery, crafts, scribing, film removing, laser marking & engraving, resistance trimming, range finding, scientific research, LED scribing, FPC cutting, micro-drilling (<10um in diameter), flexible PCB marking & scribing, silicon wafer micro-drilling and blind hole drilling etc.

MainTechnical Specifications

Product number	DPSS-355-3A	DPSS-355-3W	DPSS-355-5W
Laser wavelength	355nm	355nm	355nm
Average power	>3W@20kHz	>3W@20kHz	>5W@20kHz
Beam diameter	<0.8mm	<0.8mm	<0.8mm
Beam divergence	<1mrad	<1mrad	<1mrad
Pulse width	<15ns@20kHz	<15ns@20kHz	<15ns@20kHz
Beam mode	TEM₀₀	TEM₀₀	TEM₀₀
Beam quality	M²≤1.2	M²≤1.2	M²≤1.2
Pulse repetition rate	5kHz~100kHz	5kHz~100kHz	5kHz~100kHz
Power stability	<2%	<2%	<2%
PointingRMS	<10urad	<10urad	<10urad
Cooling	Air-ccoling	Water-cooling	Water cooling
Warm-up	3～5min	3～5min	3～5min
Input power	220VAC/50Hz	220VAC/50Hz	220VAC/50Hz
Environment temp.	15℃~30℃	15℃~30℃	15℃~30℃
Laser head dimension	290x150x110mm	380x250x84m	380x250x84m
Laser head weight	7.8kg	15kg	15kg
Driver dimension	445x405x140mm	445x405x140mm	445x405x140mm
Driver weight	12kg	9kg	9kg

Laser Beam EnergyDistribution

The beamenergy distributions along X axis and Y axis are symmetric.

2. IL Series DPSS UV Lasers

MODEL	DPSS-355-4-IL	DPSS-355-7-IL	DPSS-355-10-IL
Average power @20kHz	4W	7W	10W
Beam Mode	TEM₀₀-M²<1.2	TEM₀₀-M²<1.3	TEM₀₀-M²<1.5
Peak power@ 20kHz	13.3 kW	17.5 kW	25 kW
Pulse Energy	0.2mJ	0. 35mJ	0.5mJ
Pulse width	15ns@20kHz	20ns@20kHz	20ns@20kHz
Wavelength	355nm
Beam Diameter	1.0mm
Beam Divergence	＜2.5mrad
Polarization Ratio	100:1 Horizontal
Average Power Stability	<3%
Beam-Pointing stability	＜25μrad
Pulse Repetition Rate Range	5K - 200KHz / CW
Cooling	Water-cooling
Ambient Temperature	15~300C

3. STRFH UV Laser

STRFH ExcellentII 355 series

ExcellentⅡ355 UV series DPSS lasers include 8.0W to 10.0W models. With relativelyshort pulse width (<20ns@50K), superior beam quality（M²<1.2）and perfect beam spot quality (Beam Circularity>90% ). This series lasers are widely used in precisely markingon nonmetal materials, LED etching, glass marking and FPC cutting applications.

Main characteristics:

Laser wavelength 354.7nm. Repetition rates covera wide range (single pulse to 200 kHz).
Short pulse width （<20ns@50K）, small thermal effect on operation field.
Superior beam quality （M2<1.2）, absolutely assured in all repetition rates.
ORHAC (online refreshment for harmonic coupling) technology, long term powerstability.
Unique Q-switching technology, adapts a variety of control requirements oflaser applications.
Whole process intelligent digital power control technology, which cancontrol lasers through RS232 external controller.
Industrial production process control technology, provides quality stableproducts.
Higher powers require chiller

Applications

Glass Scribing and marking
Milipore punching
removal of metal and non-metal coating
flexible PCB marking and scribing
material micromachining

Excellent II 355 Series	Parameter	Unit	Description
Laser wavelength	354.7	nm
Average Output Power ¹	8.0-10.0	W	@30kHz
Pulse Width ¹	<20	ns	@30kHz
Pulse Repetition Rate	10-120	kHz
Spatial Mode	TEMoo
M²	<1.2
Beam Diameter	2.5+/-0.2	mm	Measured from window
Beam Full Divergence Angle	<0.5	mrad
Beam Circularity	>0.90
Pulse-to-Pulse Stability	<3	%	RMS/@40KHz
Average Power Stability	<5	%	RMS/8hr
Beam-Pointing Drift ²	<25	μrad/℃
Polarization Ratio	>100:1
Polarization Orientation	Horizontal
Operating Temp. & RH	10 to 30 <80	℃ %
Storage Temp. & RH	-20 to 65 <90	℃ %
Electricity Requirement Power Consumption	100-240 50/60 <800	VAC Hz W	Single phase
Warranty	12	months

1. Laser power and other characteristics can be optimized in different repetition rates.

2. The temperature referred is ambient temperature.

STRFHMburn355 DPSS series

MBurn355 UV series DPSS lasers include modelsfrom 1.5W to 5W. With shorter pulse width (<6ns@40K), superior beam quality (M²<1.2) and perfect beam spot quality (Beam Circularity>95%). This series lasers are especially suitable for preciselymarking on nonmetal materials, high-speed etching and cutting thin materials.

Main characteristics:

Laser wavelength 354.7nm. Repetition rates covera wide range (single pulse to 200 kHz).
Short pulse width （<16ns@40K）, small thermal effect on operation field.
Superior beam quality （M²<1.2）, absolutely assured in all repetition rates.
ORHAC (online refreshment for harmonic coupling) technology, long term powerstability.
Unique Q-switching technology, adapts a variety of control requirements oflaser applications.
Whole process intelligent digital power control technology, which cancontrol lasers through RS232 external controller.
Industrial production process control technology, provides quality stableproducts
Higher powers require chiller

MBurn 355 Series
Parameter	Value	Description
Laser wavelength	354.7 nm
Average Output Power ¹	1.5-5.0 W	@30kHz
Pulse Width ¹	<6.0 ns	@30kHz
Pulse Repetition Rate	10-100 kHz
Spatial Mode	TEMoo
M²	<1.2
Beam Diameter	2.0+/-0.2 mm	Measured at window
Beam Full Divergence Angle	<0.5 mrad
Beam Circularity	>0.90
Pulse-to-Pulse Stability	<3 %	RMS
Average Power Stability	<5 %	RMS/8hr
Beam-Pointing Drift ²	<30 μrad/℃
Polarization Ratio	>100:1
Polarization Orientation	Horizontal
Operating Temp. & RH	10 to 30℃ <80 %
Storage Temp. & RH	-20 to 65℃ <90%
Electricity Requirement Power Consumption	100-240VAC 50/60Hz <300W	Single phase
Warranty	12 months

1. Laser power and other characteristics can be optimized in different repetition rates.

2. The temperature referred is ambient temperature.

STRFHExpertII 355 DPSS series

Expert 355 Series	Parameter	Unit	Description
Laser wavelength	354.7	nm
Average Output Power ¹	3.0 - 5.0	W	@30kHz
Pulse Width¹	<25	ns	@30kHz
Pulse Repetition Rate	10-200	kHz
Spatial Mode	TEMoo
M²	<1.2
Beam Diameter	1.8+/-0.1	mm	Measured at window
Beam Full Divergence Angle	<2.0	mrad
Beam Circularity	>0.9
Pulse-to-Pulse Stability	<3	%	RMS
Average Power Stability	<5	%	RMS/8hr
Beam-Pointing Drift ²	<30	μrad/℃
Polarization Ratio	>100:1
Polarization Orientation	Horizontal
Operating Temp. & RH	10 to 35 <80	℃ %
Storage Temp. & RH	-20 to 65 <90	℃ %
Electricity Requirement Power Consumption	100-240 50/60 <500	VAC Hz W	Single phase
Warranty	10,000 or 18	Hr months	Whichever comes first.