Actively Q-Switched Lasers

Actively Q-switched DPSS picosecond laser series by QS Lasers is reliable and precision-driven solution for demanding applications across industrial, scientific, and research fields. Its innovative laser cavity design ensures exceptionally stable output parameters, all within the compact size of the device. The air-cooled design further contributes to its energy-efficient operation and smooth integration to OEM systems.

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Active Q-Switch-1
DSCF3666

Features

Up to 2 mJ pulse energy at 1064 nm
500-700 ps pulse duration
1 Hz to 1 kHz repetition rate
Compact, hermetically sealed design
Ultra-low jitter <0.2 ns
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
Time of flight measurements
Pollution monitoring
Light detection and ranging (LiDAR)
Supercontinuum generation
Raman spectroscopy

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 *APL120APL220APL320APL131APL231APL331
Output characteristics
Pulse energy at 1064 nm (mJ)0.5120.511.5
Pulse duration (ps) 1)500-700500-700500-700700700700
Pulse repetition rate (Hz) 2)1-1001-1001-100100010001000
Pulse-to-pulse energy stability (% RMS) 3)1064 nm<1<1<1<1<1<1
532 nm<1.5<1.5<1.5<1.5<1.5<1.5
355 nm<2<2<2<2<2<2
Power drift (% RMS) 4)±3±3±3±3±3±3
Optical pulse jitter (µs RMS) 5)0.20.20.20.20.20.2
Beam divergence (mrad) 6)<5<5<5<5<5<5
Beam diameter (mm) 7)1.21.21.21.21.21.2
Pointing stability full angle (µrad RMS)<50<50<50<50<50<50
Polarizationlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modesinternal / externalinternal / externalinternal / externalinternal / externalinternal / externalinternal / external
Beam spatial profileclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fields
Dimensions W x L x H (mm)
Laser head135 x 270 x 70135 x 270 x 70135 x 270 x 70135 x 270 x 117135 x 270 x 117135 x 270 x 117
Laser controller260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150
Operating requirements
Electrical requirements100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz
Power consumption<50 W<50 W<50 W<200 W<200 W<200 W
Cooling systemTECTECTECTECTECTEC
Ambient temperature20-30 °C20-30 °C20-30 °C20-30 °C20-30 °C20-30 °C
Relative humidity10-80% (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.

APL220 Typical pulse duration

APL331 Typical beam profile

APL331-3H Typical energy output

APL331-F2H3H Typical simultaneous output

APL 100 Hz version

APL 1 kHz version

Brochure
Laser Code Generator

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 *APL120APL220APL320APL131APL231APL331
Output characteristics
Pulse energy at 1064 nm (mJ)0.5120.511.5
Pulse duration (ps) 1)500-700700
Pulse repetition rate (Hz) 2)1-1001000
Pulse-to-pulse energy stability (%) 3)1064 nm<1
532 nm<1.5
355 nm<2
Power drift (% RMS) 4)±3
Optical pulse jitter (ns RMS) 5)0.2
Beam divergence (mrad) 6)<5
Beam diameter (mm) 7)1.2
Pointing stability full angle (µrad RMS)<50
Polarizationlinear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modesinternal / external
Beam spatial profileclose-to-Gaussian in near and far fields
Dimensions W x L x H (mm)
Laser head135 x 270 x 70135 x 270 x 117
Laser controller260 x 333 x 150
Operating requirements
Electrical requirements100-240 V AC, single phase 50-60 Hz
Power consumption<50 W<200 W
Cooling systemTEC
Ambient temperature20-30 °C
Relative humidity10-80% (non-condensing)
MODEL *APL120APL220APL320APL131APL231APL331
Output characteristics
Pulse energy at 1064 nm (mJ)0.5120.511.5
Pulse duration (ps) 1)500-700500-700500-700700700700
Pulse repetition rate (Hz) 2)1-1001-1001-100100010001000
Pulse-to-pulse energy stability (% RMS) 3)1064 nm<1<1<1<1<1<1
532 nm<1.5<1.5<1.5<1.5<1.5<1.5
355 nm<2<2<2<2<2<2
Power drift (% RMS) 4)±3±3±3±3±3±3
Optical pulse jitter (µs RMS) 5)0.20.20.20.20.20.2
Beam divergence (mrad) 6)<5<5<5<5<5<5
Beam diameter (mm) 7)1.21.21.21.21.21.2
Pointing stability full angle (µrad RMS)<50<50<50<50<50<50
Polarizationlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nmlinear, horizontal at 1064 & 532 nm, vertical at 355 nm
Triggering modesinternal / externalinternal / externalinternal / externalinternal / externalinternal / externalinternal / external
Beam spatial profileclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fieldsclose-to-Gaussian in near and far fields
Dimensions W x L x H (mm)
Laser head135 x 270 x 70135 x 270 x 70135 x 270 x 70135 x 270 x 117135 x 270 x 117135 x 270 x 117
Laser controller260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150260 x 333 x 150
Operating requirements
Electrical requirements100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz100-240 V AC, single phase 50-60 Hz
Power consumption<50 W<50 W<50 W<200 W<200 W<200 W
Cooling systemTECTECTECTECTECTEC
Ambient temperature20-30 °C20-30 °C20-30 °C20-30 °C20-30 °C20-30 °C
Relative humidity10-80% (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.

APL220 Typical pulse duration

APL331 Typical beam profile

APL331-3H Typical energy output

APL331-F2H3H Typical simultaneous output

APL 100 Hz version

APL 1 kHz version

Brochure