Custom Pulsed Lasers

Unlike many companies, we can design custom pulsed lasers according to your exact requirements or modify our standard lasers in order to satisfy your needs.

The G-MINI series are family of compact flash lamp or DPSS pumped Nd:YAG, Nd:YLF or Nd:YAP lasers producing emissions in the nanosecond regime. Lasers are based on Single Longitudinal Mode linear, telescopic or ring type master-oscillator design. Single Longitudinal Mode module is installed that narrows spectral linewidth and provides long pulse coherence length. The lasers produces TEMoo near diffraction limited radiation at a variety of energies, wavelengths and repetition rates.

Energy range is 2-50milliJoules, pulse duration – 1-50 nanoseconds, standard repetition rate – 1-50Hz. Fundamental lasing is at either 1047, 1053, 1064, 1079, 1313, 1319, 1338 or 1342 nm.

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The G-MINI series brochure

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Lasers are based on Single Longitudinal Mode linear, telescopic or ring type master-oscillator design. Single Longitudinal Mode module is installed that narrows spectral linewidth and provides long pulse coherence length. All the lasers produce TEM00 near diffraction limited radiation at a variety of energies, wavelengths and repetition rates. Design features include a highly stable passively or EO Q-switched oscillators. SuperINVAR based resonator framing is accomplished with multi-point active temperature distribution control of laser breadboard giving output energy stability only expected with more expensive compact diode pumped lasers.

The G-MINI series lasers usually are being manufactured for particular client application, maximum fulfilling laser functionality and its adaptability in each specific case.

Fundamental lasing is of wide choice and frequency conversion to the 2nd, 3rd and 4th harmonics gives variety of lasing wavelengths.

Fundamental, nm 1047 1053 1064 1079 1313 1319 1338 1342
 Harmonics, nm 2nd 524 527 532 540 657 660 669 671
3rd 349 351 355 360 438 440 446 447
4th 262 263 266 270 328 330 335 336

 

TYPICAL LASER ABLATION SPOTS AND ENERGY STABILITY DIAGRAMS

G MINI Laser Pulses Stability Diagram
G MINI  Laser Pulses Stability Diagram

SYSTEM FEATURES

  • Unique SLM Master-oscillator design based on self seeding technique (E-O);
  • The Mode Hoping option providing that only one mode exist on the shot is applicable as option;
  • Flash lamp or Diode pump design;
  • Active cavity stabilization systems;
  • Low maintenance cost;
  • Low electrical consumption.
  • PC control via RS232 using advanced Geola software or LabView drivers;
  • Lasers are CE marked according to IEC 60825-1:2001/EN 60825-1:2001

Base Design G-MINI
Output Wavelengths(1): 1356 nm 678 nm 452 nm
1342 nm 671 nm 447 nm
1338 nm 669 nm 446 nm
1319 nm 660 nm 440 nm
1313 nm 657 nm 438 nm
1079 nm 540 nm 360 nm
1064 nm 532 nm 355 nm
1053 nm 527 nm 351 nm
1047 nm 524 nm 349 nm
Output energy(2): 1-50 mJ 0.5-25 mJ 0.3-16mJ
Energy Stability (Std.Dev.)(4): 1 % 2 % 3 %
Pulse duration FWHM(3): 1 … 50 ns
Beam Divergence:
Line width(5): < 0.1 … 0.001 cm-1
Beam Diameter (1/e²): ~ 1 … 6 mm
Beam Profile: Near Gaussian
Pulse Repetition Rate(6): 1 … 50 Hz
Beam Pointing: ~ 150 urad
Optical Pulse buildup time(7): < 200 ns
Polarization: Horizontal or Vertical, > 1:100
Q-Switching Type: Passive or E-O
Optical Pulse Jitter(8):
Triggering: External/Internal
Dimensions
Laser Head: (L x W x H) < 30 x 18 x 18 cm … < 100 x 25 x 18 cm
Power & Cooling Cabinet: (L x W x H) ~ 55 X 55 X 60 cm
Umbilical Length: 2,5 m
Environmental requirements
Room temperature: 22-24oC (recommended)
Relative Humidity (non-condensing): < 70 %
Mains Voltage: 210…240 VAC, single phase 50/60 Hz
Power Consumption: ~ 0.5… 2.5 kW

(Geola Digital reserves the right to change specification without notice)

(1) Select required wavelength from the list.
(2) Choose required energy level from the range.
(3) Choose required pulse duration from the range.
(4) Std.Dev., for 1000 shots at 10Hz repetition rate.
(5) The Mode Hoping option providing that only one mode exist on the shot is possible.
(6) Choose required repetition rate from the range.
(7) In respect to External sync pulse signal.
(8) In respect to External sync pulse signal.

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