Blue Bird

Blue Pulsed Lasers

Those our lasers are used by embossed holograms manufacturers for hologram origination.

Geolas BlueBird series lasers emit 440nm and are particularly designed to replace CW lasers in embossed holograms master originating process. Having SLM with coherence length greater than 3 meters, peak power of up to 300kW, continuous power of up to 450mW and low maintenance cost. BlueBirds are reliable replacement for HeCd CW lasers.

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Geolas BlueBird series lasers emit 440nm and are particularly designed to replace CW lasers in embossed holograms master originating process. Having SLM with coherence length greater than 3 meters, peak power of up to 300kW, continuous power of up to 450mW and low maintenance cost. BlueBirds are reliable replacement for HeCd CW lasers.

Because of just 50ns laser pulse duration, no vibration will affect your photoresist exposure.

BEAM CHARACTERISTICS

BlueBird Laser Radiation Distribution In Far Field
BlueBird Laser Pulse Duration

SYSTEM FEATURES

  • Optimized laser characteristics for hologram recording;
  • Pure Solid State laser design;
  • Low maintenance costs;
  • Low electrical consumption;
  • No water consumption;
  • Active cavity stabilization system;
  • Long coherence length > 3m source;
  • 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
  • Laser output (integrated) energy meter;
  • Programmable (PC) energy attenuator;
  • Programmable (PC) shutter – from single pulse to 300 seconds exposure;
  • Model with two colors output 440nm and 660nm;
  • Laser output beam – Top-Hat profile;
  • C++ libraries for laser controll software integration into customer production software.
Technical specifications
Model specifications
Blue Bird 1 Blue Bird 2 Blue Bird 3
Output Wavelength: 440 nm
Max Output Energy: 3/2 mJ 6 mJ 15 mJ
Peak Power (at 50 ns): 60/40 kW 120 kW 300 kW
CW Power: 90/120 mW 180 mW 450 mW
Pulse repetition rate: 30/60Hz 30Hz 30Hz
Pulse duration FWHM: 30ns
Energy Stability (StDev)
for 20.000 shots at 30 Hz repetition rate:
3 %
Beam Divergence: Near Diffraction Limit for beam size
Line width: < 0.003 cm-1
Beam Diameter (1/e²): ~ 3 … 8 mm
Beam Profile: Gaussian in far field (Top-Hat optional)
Beam Pointing: < 150 urad
Polarization: Vertical, > 98%
Q-Switching Type: Passive
Triggering: External/Internal
Cooling Air/watter
Dimensions
Laser Head standard: (L x W x H) 860x250x180 mm 860x350x180 mm 860x400x180 mm
Power Cabinet: (L x W x H) 600 x 550 x 550 mm
Umbilical Length: 2.5 m
Environmental requirements
Room temperature: 22 – 25oC
Relative Humidity (non-condensing): < 70 %
Mains Voltage: 210…240 VAC, single phase 50/60 Hz
Power Consumption: ~ 1.5 … 4 kW

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

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