Passively Q-Switched Lasers

QS Lasers offers a series of compact DPSS passively Q-switched picosecond lasers, meticulously engineered for seamless OEM integration and high-volume production. Despite their small footprint, these lasers deliver outstanding pulse-to-pulse stability and superior performance for demanding applications across a variety of industries.

Features

Up to 3 mJ pulse energy at 1064 nm

250-800 ps pulse duration

1-100 Hz repetition rate

Compact, hermetically sealed design

Low jitter <2 µs

Guaranteed >3 Gshot lifetime

Simultaneous or discrete 532 nm, 355 nm output options

Applications

Seeder for amplifier

Laser-Induced Breakdown Spectroscopy (LIBS) and imaging

Laser Flash Photolysis

Time resolved fluorescence measurements

DNA analysis

Pollution monitoring

Supercontinuum generation

Time gated Raman spectroscopy

Ultrasonic wave generation

Laser code explanation:
Platform + ABC + S or E_Harmonics
MPL – Mini pulsed laser
GSL – Gain Switch laser
APL – Active pulsed laser
A – Energy
B – Pulse width
C – Pulse repetition rate
S – Standalone version
E – OEM
2H – Second harmonic output
2H/3H – Second and third harmonic output
3H – Third harmonic
F2H – Simultaneous second harmonic and fundamental output
F3H – Simultaneous third harmonic and fundamental output
F2H/3H – Simultaneous second, third harmonics and fundamental output

MODEL *		MPL111	MPL121	MPL131	MPL211	MPL221	MPL231	MPL310	MPL320	MPL330
Output characteristics
Pulse energy (mJ)	1064 nm	1	1	1	2	2	2	3	3	3
	532 nm	0.5	0.5	0.5	1	1	1	1.5	1.5	1.5
	355 nm	0.25	0.25	0.25	0.5	0.5	0.5	0.6	0.6	0.6
Pulse duration (ps) ¹⁾		250	350	500	250	350	500	250	350	500
Pulse repetition rate (Hz) ²⁾		1-100	1-100	1-100	1-100	1-100	1-100	1-10	1-10	1-10
Pulse-to-pulse energy stability (% RMS) ³⁾	1064 nm	<1	<1	<1	<1	<1	<1	<1	<1	<1
	532 nm	<2	<2	<2	<2	<2	<2	<2	<2	<2
	355 nm	<3	<3	<3	<3	<3	<3	<3	<3	<3
Power drift (% RMS) ⁴⁾		±3	±3	±3	±3	±3	±3	±3	±3	±3
Optical pulse jitter (µs RMS) ⁵⁾		~2	~2	~2	~2	~2	~2	~2	~2	~2
Beam divergence (mrad) ⁶⁾		<6	<6	<6	<6	<6	<6	<6	<6	<6
Beam diameter (mm) ⁷⁾	1064 nm	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
	532 nm	1	1	1	1	1	1	1	1	1
	355 nm	1	1	1	1	1	1	1	1	1
Pointing stability full angle (µrad RMS)		<50	<50	<50	<50	<50	<50	<50	<50	<50
Polarization		linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modes		internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external
Beam spatial profile		close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields
Dimensions W x L x H, mm \| Standalone
Laser head		138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89
with 2nd harmonic output		138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89
with 3rd, 2nd & 3rd harmonic output		138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89
Laser controller		260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150
Dimensions W x L x H, mm \| OEM version
Laser head		99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5
Laser controller		136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127
Operating requirements
Electrical requirements		100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz
Power consumption		<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W
Cooling system		TEC	TEC	TEC	TEC	TEC	TEC	TEC	TEC	TEC
Ambient temperature		20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C
Relative humidity		10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)

* customized models available on request

1) FWHM level at 1064 nm.

2) Factory-set pulse repetition rate is set at 100 Hz unless specified otherwise.

3) Averaged from 30 seconds time interval in 5 series.

4) Over 8 hours when temperature variation is ±2 °C.

5) In respect to Q-switch sync. signal in internal trigger mode, rising edge of TTL-sync. out signal. Internal trigger mode delivers TTL-sync. out signal.

6) Full angle measured at 1/e² level; can be adjusted to customer requirements.

7) Beam diameter is measured 20 cm from laser output at 1/e².

MPL231 Typical pulse duration

MPL231 Typical output

MPL231 Typical beam profile

MPL211-3H Typical output

MPL211 Typical output

MPL131-F2H Typical simultaneous output

MPL121-F2H Typical simultaneous output

MPL OEM
version

MPL Standalone version with 2 output apertures

MPL Standalone version with 3 output apertures

Laser Code Generator

Specifications

MODEL *		MPL111	MPL121	MPL131	MPL211	MPL221	MPL231	MPL310	MPL320	MPL330
Output characteristics
Pulse energy (mJ)	1064 nm	1			2			3
	532 nm	0.5			1			1.5
	355 nm	0.25			0.5			0.6
Pulse duration (ps) ¹⁾		250	350	500	250	350	500	250	350	500
Pulse repetition rate (Hz) ²⁾		1-100						1-10
Pulse-to-pulse energy stability (% RMS) ³⁾	1064 nm	<1
	532 nm	<2
	355 nm	<3
Power drift (% RMS) ⁴⁾		±3
Optical pulse jitter (µs RMS) ⁵⁾		~2
Beam divergence (mrad) ⁶⁾		<6
Beam diameter (mm) ⁷⁾	1064 nm	1.5
	532 nm	1
	355 nm	1
Pointing stability full angle (µrad RMS)		<50
Polarization		linear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modes		internal / external
Beam spatial profile		close-to-Gaussian in near and far fields
Dimensions W x L x H, mm \| Standalone version
Laser head		138 x 200 x 89
with 2nd harmonic output		138 x 200 x 89
with 3rd, 2nd & 3rdharmonic output		138 x 295 x 89
Laser controller		260 x 333 x 150
Dimensions W x L x H, mm \| OEM version
Laser head		99 x 175 x 45.5
Laser controller		136 x 261 x 127
Operating requirements
Electrical requirements		100-240 V AC, single phase 50-60 Hz
Power consumption		<50 W
Cooling system		TEC
Ambient temperature		20-30 °C
Relative humidity		10-80% (non-condensing)

MODEL *		MPL111	MPL121	MPL131	MPL211	MPL221	MPL231	MPL310	MPL320	MPL330
Output characteristics
Pulse energy (mJ)	1064 nm	1	1	1	2	2	2	3	3	3
	532 nm	0.5	0.5	0.5	1	1	1	1.5	1.5	1.5
	355 nm	0.25	0.25	0.25	0.5	0.5	0.5	0.6	0.6	0.6
Pulse duration (ps) ¹⁾		250	350	500	250	350	500	250	350	500
Pulse repetition rate (Hz) ²⁾		1-100	1-100	1-100	1-100	1-100	1-100	1-10	1-10	1-10
Pulse-to-pulse energy stability (% RMS) ³⁾	1064 nm	<1	<1	<1	<1	<1	<1	<1	<1	<1
	532 nm	<2	<2	<2	<2	<2	<2	<2	<2	<2
	355 nm	<3	<3	<3	<3	<3	<3	<3	<3	<3
Power drift (% RMS) ⁴⁾		±3	±3	±3	±3	±3	±3	±3	±3	±3
Optical pulse jitter (µs RMS) ⁵⁾		~2	~2	~2	~2	~2	~2	~2	~2	~2
Beam divergence (mrad) ⁶⁾		<6	<6	<6	<6	<6	<6	<6	<6	<6
Beam diameter (mm) ⁷⁾	1064 nm	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
	532 nm	1	1	1	1	1	1	1	1	1
	355 nm	1	1	1	1	1	1	1	1	1
Pointing stability full angle (µrad RMS)		<50	<50	<50	<50	<50	<50	<50	<50	<50
Polarization		linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm	linear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modes		internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external	internal / external
Beam spatial profile		close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields	close-to-Gaussian in near and far fields
Dimensions W x L x H, mm \| Standalone
Laser head		138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89
with 2nd harmonic output		138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89	138 x 200 x 89
with 3rd, 2nd & 3rd harmonic output		138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89	138 x 295 x 89
Laser controller		260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150	260 x 333 x 150
Dimensions W x L x H, mm \| OEM version
Laser head		99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5	99 x 175 x 45.5
Laser controller		136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127	136 x 261 x 127
Operating requirements
Electrical requirements		100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz	100-240 V AC, single phase 50-60 Hz
Power consumption		<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W	<50 W
Cooling system		TEC	TEC	TEC	TEC	TEC	TEC	TEC	TEC	TEC
Ambient temperature		20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C	20-30 °C
Relative humidity		10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)	10-80% (non-condensing)

* customized models available on request

1) FWHM level at 1064 nm.

2) Factory-set pulse repetition rate is set at 100 Hz unless specified otherwise.

3) Averaged from 30 seconds time interval in 5 series.

4) Over 8 hours when temperature variation is ±2 °C.

5) In respect to Q-switch sync. signal in internal trigger mode, rising edge of TTL-sync. out signal. Internal trigger mode delivers TTL-sync. out signal.

6) Full angle measured at 1/e² level; can be adjusted to customer requirements.

Passively Q-Switched Lasers

Features

Applications

MPL231 Typical pulse duration

MPL231 Typical output

MPL231 Typical beam profile

MPL211-3H Typical output

MPL211 Typical output

MPL131-F2H Typical simultaneous output

MPL121-F2H Typical simultaneous output

MPL OEM version

MPL Standalone version with 2 output apertures

MPL Standalone version with 3 output apertures

MPL231 Typical pulse duration

MPL231 Typical output

MPL231 Typical beam profile

MPL211-3H Typical output

MPL211 Typical output

MPL131-F2H Typical simultaneous output

MPL121-F2H Typical simultaneous output

MPL OEM version

MPL Standalone version with 2 output apertures

MPL Standalone version with 3 output apertures

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MPL OEM
version

MPL OEM
version