Q2HE Series – high-energy air-cooled DPSS nanosecond lasers technical details

Specifications | Description

Specifications1)

Model

Q2HE

New

D50

D100

E50

F10

F20

G10

Wavelength

1064 or 1053 nm

1064 nm

1064 or 1053 nm

1053 nm

Pulse repetition rate 2)

50 Hz

100 Hz

50Hz

10 Hz

20 Hz

10 Hz

Pulse energy 3)

40 mJ

70 mJ

100/120 mJ

80/100 mJ

160 mJ

Pulse duration 4)

< 7 ns

< 6 ns<

Pulse to pulse energy stability

<0.5 % RMS 5)

Power drift

± 3.0 % 6)

Beam profile

Bell-shaped, >75 % fit to Gaussian

Beam divergence 7)

< 1 mrad

Polarization

Linear, horizontal

Typical beam diameter 8)

3.0 mm

3.5 mm

4.5 mm

5.5 mm

Jitter 9)

< 0.5 ns RMS 9)

Optional harmonics generator 10)

Pulse energy 3)

532/526.5 nm

20 mJ

35 mJ

50/60 mJ

40/50 mJ

80 mJ

355/351 nm

12 mJ

20 mJ

30/40 mJ

25/30 mJ

50 mJ

266/263 nm

5 mJ

10 mJ

15/20 mJ

12/15 mJ

27 mJ

213/211 nm

1.5 mJ

3 mJ

4/5 mJ

3.5/4 mJ

7 mJ

Optional attenuator 11)

Transmission range

1% – 95 %

Dimensions

Laser head (W×L×H)

190 × 408 × 155 mm3

Controller unit(W×L×H)

108× 191 × 59 mm3

AC/DC power adapter, typical (W×L×H)

422 × 330 × 89 mm3

192×178×46 mm3

Operating requirements

Cooling requirements

Air cooled

Ambient temperature

15 – 30 ºC

Relative humidity (non-condensing)

10 – 80 %

Mains voltage

90-230 VAC, single phase, 47-63 Hz. 12)

Average power consumption

100 W

150 W

70W

120W
  1. Due to continuous improvements all specifications are subject to change. Unless stated otherwise all specifications are measured at fundamental wavelength and maximum pulse repetition rate. The parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture.
  2. Factory-set pulse repetition rate is fixed at max repetition rate shown in the table. In internal triggering mode repetition rate can be divided by integer number down to f/2, f/3, f/4,.. 1 Hz. Pulse repetition rate up to 200 Hz are available by request.
  3. When pulse energy is presented in xx/yy format, first number is for 1064 nm wavelength version, second – for 1053 nm version.
  4. At FWHM level at 1064 nm, measured with 350 ps rise time photodiode.
  5. Measured during 30 seconds operation after warm-up.
  6. Over 8 hour period after 20 minutes of warm-up when ambient temperature variation is less than ±2 °C.
  7. Full angle measured at the at the 4σ level.
  8. Beam diameter is measured 20 cm from laser output at the 4σ level.
  9. In respect to falling edge of pump diode triggering pulse.
  10. Q2HE is compatible with our attachable second harmonic generator and all models of stand-alone H-SMART harmonics generator. Pulse energies presented here are maximum values. Please refer to harmonic generator datasheets for detailed specifications.
  11. Motorized attenuator intended to be attached to the laser housing. Transmission can be changed remotely trough laser web-server control interface.
  12. Laser can be powered from appropriate 28 VDC power source. Please inquire for details.

Description

The Q2HE series represents the next generation of high-energy diode-pumped solid-state (DPSS) Q-switched nanosecond lasers, engineered for applications that demand superior beam quality and maximum pulse energy.
This air-cooled laser system integrates innovative water-free crystal cooling technology, ensuring long-term stability, low maintenance, and reliable operation even in challenging environments. The advanced design enables the generation of high-quality laser beams with up to 120 mJ pulse energy and up to 5 W average output power, setting a new benchmark in the Q-switched laser market.

The Q2HE DPSS laser can operate with Nd:YLF (1053 nm) or Nd:YAG (1064 nm) crystals, providing flexibility for diverse scientific and industrial applications.
With pulse durations below 7 ns and excellent beam divergence, the Q2HE delivers high peak power that supports efficient harmonic generation — enabling wavelength conversion down to 211 nm using optional harmonic generator modules.
This makes it ideal for spectroscopy, micromachining, nonlinear optics, and UV applications where short pulse duration and high pulse energy are essential.

Totally Air-Cooled and Reliable 

The Q2HE air-cooled laser eliminates the need for external chillers or bulky power supplies.
All major electronics are built into the laser housing, with only a compact controller box and 28 VDC power adapter (50–150 W) required for operation.
The result is a compact, user-friendly turnkey system designed for easy installation and minimal maintenance.

Smart Control

Laser operation is fully managed via a built-in Ethernet interface and web server — no software installation needed.
Users can control and monitor the laser directly from any PC or mobile device with a modern web browser.
An API is available for integration with external instruments or automation setups.
For precise synchronization, low-jitter trigger outputs are available in internal triggering mode, while external triggering allows direct control from a delay generator.

Key Features

  • High Energy DPSS Q-switched laser
  • Air-cooled, water-free design for easy maintenance
  • Up to 120 mJ pulse energy, 5 W average power
  • Nd:YLF (1053 nm) or Nd:YAG (1064 nm) operation
  • <7 ns pulse duration, low beam divergence
  • Compatible with harmonic generator modules (up to 5th harmonic, 211 nm)
  • Ethernet control with built-in web server and API integration
  • Compact turnkey system with minimal footprint

Optional extensions are available by request:

  • Attachable second harmonic generator.
  • Attachable motorized attenuator for fundamental wavelength beam.
  • Attachable motorized attenuator for fundamental wavelength beam.
  • Attachable pulse energy monitor with analog and/or digital output.
  • Attachable beam guiding module.
  • External two-channel pulse generator for variable pulse repetition rate.
  • External seeder for SLM operation.
  • Optional stand-alone air purging unit for operation in harsh environment