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NL300D series - double pulse PIV lasers

Stable output specifications, intelligent triggering and easy operating make NL300D series nanosecond Nd:YAG lasers an excellent choice for most liquid and many air-based PIV (particle image velocimetry) applications. Extremely low jitter of optical pulse with respect to sync pulse allows reliable synchronization with external equipment.

Features

  • High output energy: up to 360 mJ at 532 nm
  • Intelligent triggering:- Internal/external synchronization- Triggering for each laser independently

    - Single/double electrical pulse triggering

  • Low pulse timing jitter
  • 10, 20 or 50 Hz repetition rate
  • Diode pumped version - up to 1000 Hz repetition rate
  • Wide region of adjustable delay between pulses: 30 ns – 8 ms
  • Excellent pulse energy stability
  • Single power supply
  • PC control using RS232 and LabView drivers
  • Remote control via keypad
  • Low-energy adjustment mode
  • Water-water or water-air cooling options

Stable output specifications, intelligent triggering and easy operation make NL300D series nanosecond lasers an excellent choice for most liquid and many air-based PIV (particle image velocimetry) applications. Extremely low jitter of optical pulse with respect to sync pulse allows reliable synchronization with external equipment.

Optional double UV (355 nm) pulse models allow pumping of double-pulse optical parametric oscillators.

Operating convenience is achieved through versatile triggering capabilities and adjustable delay between pulses.

Simple and proven design allows offering of models for the most common as well as novel research needs. Excellent pulse energy stability and beam quality establish Ekspla lasers as ideal for tasks where high precision and exceptional performance are required.

Compact power supply and cooling units easily fit under tables thus saving valuable laboratory space.

For customer convenience the laser is controlled through either its RS232 type PC interface with LabView drivers (included) or a user-friendly remote control keypad. Both options ensure easy control of laser settings.

Model NL220D NL301D NL301D50 NL303D
Max. pulse energy at 532 nm, mJ 5 180/150 4) 50 360/310 4)
Pulse energy stability, % 1) 2 1.5 3 1.5
Long term energy drift, % 2) 3 5 5 5
Pulse duration (FWHM), ns 3) 26-28 4-6 4-6 4-6
Max. repetition rate, Hz 1000 10/20 50 10/20
Polarization at 532 nm linear
Optical pulse jitter, ns 5) ± 0.5
Beam profile TEM00 "Hat-Top" in near and near Gaussian in far fields
Beam diameter, mm ~2.5 ~6 ~6 ~6
Beam height, mm 65 145-165 145-165 145-165
Beam divergence, mrad 6) <1.5 <0.5 <0.5 <0.5
Beam pointing stability at 532 nm, µrad ± 50 ± 50/± 100 4) ± 100 ± 50/± 100 4)

1) At 532 nm, StDev, after 5 seconds of warm up time
2) StDev, 8 hours after 5 seconds of warm up time
3) At 532 nm, FWHM
4) 20 Hz version
5) With respect to syncpulse, Std. Dev.
6) Full angle at 1/e2

Physical characteristics

Model NL220D NL301D NL301D50 NL303D
Laser head size (WxHxL), mm 210x145x730 225x255x780 225x255x780 225x255x780
Power supply/cooling cabinet size
cooling water-water (WxHxL), mm - 330x580x510 550x525x600 550x525x600
cooling water-air (WxHxL), mm depends on chiller - - -
Umbilical length 2.5

Operating requirements

Model NL220D NL301D NL301D50 NL303D
Water consumption (max 20 °C), l/min - <10 <10 <10
Room temperature, °C 15-30
Relative humidity (noncondensing), % 20-80
Voltage, 208-240 VAC, 50/80 Hz single phase single phase three phases single phase
Power, kW 1 2.5/4 4 2.5/4

Specifications are subject to changes without advance notice

Requests for custom made products are welcome.