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NL200 series
Compact Q-switched DPSS Lasers
Compact high repetition rate nanosecond lasers
Up to 4 mJ energy
Up to 2500 Hz repetition rate
Up to 213 nm harmonics modules
Motorized attenuators
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NL200 series

Compact Q-switched DPSS Lasers
  • Compact high repetition rate nanosecond lasers
  • Up to 4 mJ energy
  • Up to 2500 Hz repetition rate
  • Up to 213 nm harmonics modules
  • Motorized attenuators
NL200 series nanosecond compact Q-switched DPSS laser

Features & Applications

FEATURES

  • Up to 4 mJ pulse energy at 1064 nm
  • Up to 2500 Hz variable repetition rate
  • 532 nm, 355 nm, 266 nm, 213 nm wavelengths as standard options
  • <10 ns pulse duration at 1064 nm
  • Electro-optical Q-switching
  • Turn-key operation
  • Rugged sealed cavity
  • Extremely compact size
  • Simple and robust
  • Air cooled
  • External TTL triggering
  • Remote control via USB/RS232
  • Remote control pad

APPLICATIONS

  • Spectroscopy
  • OPO pumping
  • Remote sensing
  • Material processing
  • Marking
  • Micromachining
  • Engraving
  • Laser deposition
  • Laser cleaning
  • Ablation

Description

NL200 series DPSS Q-switched nanosecond lasers offer high pulse energy at kHz repetition rates. End-pumped design makes this laser compact and easy to integrate. Harmonic generation modules for 532 nm, 355 nm, 266 nm and 213 nm wavelengths are easily attached to the laser frame.

Featuring short pulse duration, variable repetition rate and external TTL triggering, nanosecond diode pumped NL200 series Q-switched lasers are excellent cost effective sources for specific applications like pulsed laser deposition, ablation through mask or intravolume marking of transparent materials, when higher pulse energy is required.

Excellent energy stability and a wide range of wavelength options make this laser a perfect tool for spectro­scopy and remote sensing applications. Mechanically stable and hermetically sealed design ensures reliable operation and long lifetime of laser components.

Specifications

ModelNL201 2)NL202 3)NL204 3)
MAIN SPECIFICATIONS 1)
Pulse energy
    at 1064 nm0.9 mJ2.0 mJ4.0 mJ
    at 532 nm0.3 mJ0.9 mJ2.0 mJ
    at 355 nm0.2 mJ0.6 mJ1.3 mJ
    at 266 nm0.08 mJ0.2 mJ0.6 mJ
    at 213 nm0.04 mJ0.1 mJ0.2 mJ
Pulse to pulse energy stability (StdDev) 4)
    at 1064 nm< 0.5 %
    at 532 nm< 2.5 %
    at 355 nm< 3.5 %
    at 266 nm< 4.0 %
    at 213 nm< 5.0 %
Typical pulse duration 5)7 – 10 ns
Power drift 6)± 2 %
Pulse repetition rate10 – 2500 Hz10 – 1000 Hz500 – 1000 Hz
Beam spatial profileClose to Gaussian in near and far fields
Elipticity0.9 – 1.1 at 1064 nm
M2<1.3
Beam divergence 7)<3 mrad
Polarizationlinear
Typical beam diameter 8)0.7 mm
Beam pointing stability (StDev) 9)≤ 10 µrad
Optical jitter (StdDev) 10)0.5 ns
PHYSICAL CHARACTERISTICS
Laser head (W × L × H) 11)164 × 320 × 93 mm
Power supply unit (W × L × H)365 × 415 × 290 mm
Umbilical length3 m
OPERATING REQUIREMENTS
Coolingair cooled
Ambient temperature18 – 30 °C
Realtive humidity20 – 80 % (non-condensing)
Power requirements100 – 240 V AC, single phase, 50/60 Hz
Power consumption<600 W
  1. Due to continuous improvement, all specifications are subject to change. Parameters marked typical are illustrative; they are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise all specifications are measured at 1064 nm and for basic system without options.
  2. Unless stated otherwise all specifications are measured at 2500 Hz pulse repetition rate.
  3. Unless stated otherwise all specifications are measured at 1000 Hz pulse repetition rate.
  4. Averaged from pulses emitted during 30 sec time interval.
  5. FWHM at 1064 nm.
  6. Measured over 8 hour period after 20 min warm-up when ambient temperature variation is less than ±2 °C.
  7. Full angle measured at the 1/e² level at 1064 nm.
  8. Beam diameter is measured at 1064 nm at the 1/e² level.
  9. Beam pointing stability is evaluated as movement of the beam centroid in the focal plane of a focusing element.
  10. With respect to QSW IN or SYNC OUT pulse.
  11. Without optional harmonics module.

Note: Laser must be connected to the mains electricity all the time. If there will be no mains electricity for longer that 1 hour then laser (system) needs warm up for a few hours before switching on.

Performance & Drawings

Ordering Information