355nm DPSS Lasers

Keywords: DPSS Laser, Diode-pumped laser, UV laser

Feb 12, 2021 View: 3237 Data Sheet

Thanks to the integrated design, the product has compact structure, small size, light weight, low power consumption, stable operation over time and good beam quality. The laser’s driver has a simple design and a user-friendly operation interface.

Online submission +65 63167112 sales@sintec.sg

STC Series 355 nm UV Solid State Lasers

(1) High Stability UV Laser at 355nm	STC-UV-F-355/ 1~10mW STC-UV-FN-360/ 1~200mW
(2) Passively Q-switched UV Laser at 355nm	STC-MPL-F-355/ 0.1~15uJ/1~100mW STC-MPL-Q-355/ 0.1~15uJ/1~150mW Pulse width 1.3ns STC-MPL-N-355/ 0.1~90uJ/ 1~800mW STC-MPL-W-355/ 25~80uJ/ 400~2000mW
(3) Actively Q-switched UV Laser at 355nm	STC-AO-S-355/ 1~40uJ/ 1~100mW STC-AO-L-355/ 40~100uJ/ 1~300mW STC-AO-V-355/ 1~100uJ/ 1~2W STC-AO-V-355-Water/ 1~250uJ/ 1~5W STC-EO-XS-355/ 1~50uJ/ 1~2W STC-EO-355-G/ 4~150uJ Good beam quality STC-EO-355-N/ 4~250uJ STC-DPS-355-E/ 1~2mJ STC-DPS-355-Q/ 2~10mJ Water cooled
(4) Picosecond Pulsed UV Laser at 355nm	STC-DPS-355-Pico/ 100~700mW STC-PS-R-355/ 1~2000mW STC-DPS-355-PS/ 1~6000mW Water cooled
(5) Lamp Pumped Q-switched Laser at 355nm	STC-LPS-355-S/ 20~80mJ STC-LPS-355-L/ 80~200mJ
(6) Fiber Laser at 355nm	STC-FL-355-PS/ 1~50mWPulse duration <10ps STC-FL-355-Pico/ 1~50mWPulse duration <900ps STC-FL-355-Nano/ 1~300mW
(7) Fiber Coupled Laser System at 355nm	STC-MPL-355 (FC)/ 1~1500mW. All STC series lasers can be fiber coupled with different core diameter MM fiber or SM fiber. Please refer to the detailed specs of each laser (such as power, stability, noise, size, etc) to decide which one is suitable for your application. The fiber connectors are FC/SMA905. We will do the coupling job according to your specific requirements.

STL Series 355nm Q-switched 355nm DPSS Lasers

Laser head and power supply are individual and the laser head is compact
The laser is controlled via built-in panel and RS232
Widely used in 3C electronic applications and laser marking of metals and non-metals, 3D printing, surface film removing etc.

Part number	STL-355-3	STL-355-5
Wavelength	355nm	355nm
Output laser power	>3W@40kHz	>5W@40kHz
Beam divergence	<2mrad	<2mrad
Pulse repetition rate	20kHz-200kHz	20kHz-200kHz
Pulse duration	<15ns@30kHz	<15ns@30kHz
Pulse to pulse stability	<3%	<3%
Average power stability	<3%	<3%
Beam spatial mode	TEM00 (M2<1.2)	TEM00 (M2<1.2)
Polarization ratio	>100:1 horizontal	>100:1 horizontal
Beam diameter	<1mm	<1mm
Beam circularity	>90%	>90%
Cooling	Water cooling	Water cooling
Warm-up time	<15min	<15min
Operation temperature	18-35oC	18-35oC
Dimension (laser head)	292.1x139.7x112.8mm	292.1x139.7x112.8mm
Dimension (power supply)	305x250x110mm	305x250x110mm

STI Series DPSS UV Lasers

Part Number	STI-355-3	STI-355-5	STI-355-12	STI-355-15S	STI-355-20S
Wavelength(nm)	355	355	355	355	355
Pulse Repetition Rate (kHz)	10-150 (Option: single shot to 200kHz)		30-150 (Option: single shot to 200kHz)	40-150
Pulse Width (ns)	>3W@30kHz	>5W@30kHz	20±2ns@50kHz		16±2ns@50kHz
Average Power (W)	≤16ns@30kHZ		>12W@50kHZ	>15W@50kHZ	>20W@50kHZ
Average Power Stability over 24hrs	<±3%	<±3%	<±3%	<±3%	<±3%
Pulse-to-Pulse Stability	<3%rms	<3%rms	<3%rms	<3%rms	<3%rms
Spatial Mode	TEM00	TEM00	TEM00	TEM00	TEM00
Beam Quality M²	<1.2	<1.2	<1.3	<1.3	<1.3
Beam Divergence Full Angle (mrad)	< 2	< 2	< 2	< 2	< 2
1/e2 Beam Dia. (mm)	0.7	0.7	0.65±0.1	1±0.1	1±0.1
Beam Roundness	>90%	>90%	>90%	>90%	>90%
Pointing Stability (urad)	<50	<50	<50	<50	<50
Polarization Direction	Horizontal	Horizontal	Horizontal	Horizontal	Horizontal
Polarization Ratio	100:1	100:1	100:1	100:1	100:1
Cooling	Water/Air	Water/Air	Water	Water	Water
Dimension (Laser Head) (mm)	375x175x125	375x175x125	505x160x117	580x210x117	580x210x117

Remark: Single shot to 200kHz for pulse repetition rate available upon request.

Typical Measured Data of STI-355-20:

PRR (kHz)	50	70	90	110	130	150
Power (W) @12.1A	26.03	25.95	22.45	19.25	16.38	14.05
Pulse width (ns)	14	18	22	26	30	34

Diode current (A)	11.3	11.5	11.7	11.9	12.1
Power (W) @50kHz	21.6	23.07	24.51	25.48	26.03

Applications

ITO film etching, ceramic cutting, scribing and marking, glass cutting and marking, polymeric material marking and cutting, material microprocessing, wafer cutting, laser rapid prototyping, scientific research.

As example, the performance of 15W laser is shown as follows.

STJ Series 355nm DPSS Lasers

1. STJ Lark-Series 355nm DPSS Lasers

STJ Lark-Series Lasers Includes UV and green light, it adopts a thermal method combining conduction heat dissipation and air convection heat dissipation. The pulse width is narrower, the repetition frequency is higher, the beam quality is high, and the spot roundness is high. In terms of structural design, it is smaller in size, lighter in weight and more beautiful in appearance. In the electronic control design, strong anti-electromagnetic interference capability, high thermal management efficiency, user-friendly GUI interface.

Technical specifications:

Model	STJ-Lark-355-3S	STJ-Lark-355-5S
Wavelength	355nm
Average Power	>3W@40kHz	>5W@60kHz
Pulse Width	<10ns@40kHz	<10ns@60kHz
Pulse Repetition Rate	20kHz-200kHz	30kHz-200kHz
Spatial Mode	TEM₀₀
Beam Quality M²	M²≤1.2
Beam Roundness	>90%
Beam Divergence	≤2mard
Beam Diameter	Non-expanding0.7±0.1mm
Polarization Ratio	> 100:1
Polarization Dircetion	Vertical
Average Power Stability	RMS≤3% @ 24hs
Pulse Stability	RMS≤3% @ 40hs	RMS≤3% @ 60hs
Operating Temp & RH	10-35℃;<80%
Storage Temp & RH	-15~50℃;<90%
Cooling	Air
Supply Voltage	DC 12V
Average Power Consumption	< 300W	< 350W
Size	236×118×110
weight	Laser Head：4kg
	Power Control：7kg

2. STJ Seal-Series 355nm DPSS Lasers

The STJ Seal-Series Lasers includes both UV and green lasers with excellent beam quality and perfect spot characteristics. The whole machine adopts integrated structure design, and the optical path and external drive circuit are integrated, which makes the product have strong anti-interference ability. Optimize and upgrade the fully sealed structure to prevent external dust. At the same time, the isolation of external water molecules make the machine have strong resistance of humidity, making the SEAL series adaptable to harsher industrial environments. In addition, a self-cleaning system in the cavity allows longer lifetime of the machine.

Technical specifications:

Model	STJ-Seal-355-3S	STJ-Seal-355-5S	STJ-Seal-355-10S	STJ-Seal-355-15S
Wavelength	355nm
Average Power	>3W@40kHz	>5W@60kHz	>10W@80kHz	>15W@80kHz
Pulse Width	<10ns@40kHz	<10ns@60kHz	<12ns@80kHz
Pulse Repetition Rate	30kHz-200kHz		40kHz-300kHz
Spatial Mode	TEM₀₀
Beam Quality M²	M²≤1.2
Beam Roundness	>90%
Beam Divergence	≤2mard
Beam Diameter	Non-expanding:0.7±0.1mm		Non-expanding: 0.8±0.1mm
Polarization Ratio	> 100:1
Polarization Direction	Horizontal
Average Power Stability	RMS≤3% @ 24hs
Pulse Stability	RMS≤3% @ 40kHz	RMS≤3% @ 60kHz	RMS≤3% @ 80kHz
Operating Temp & RH	10~40℃;<80%
Storage Temp & RH	-15~50℃;<90%
Cooling	Water
Supply Voltage	DC 12V
Average Power Consumption	< 300W	< 350W		< 450W
Size	302×180×114mm		337×180×114mm
Weight	9kg		13kg