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Blue Pulsed Lasers

The BlueBird series of VCSEL pumped self-seeded Single Longitudinal Mode (SLM) master oscillator Nd:YAG laser producing narrow spectrum in nanosecond regime. The highly stable telescopic E-O Q-Switched master oscillator cavity produces a TEM00 spatial mode output that results in excellent beam properties. A self-seeded laser cavity design assures stable SLM output without the use of external expensive narrow linewidth seed diodes and cavity‑locking electronics. A Piezo-driven active laser cavity tuning assures stable SLM laser operation for long time.

Download brochure: BlueBird Series brochure

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Description

The standard BlueBird lasers emits mainly 440nm (the residual 660nm can be also provided as separate output). The laser models with customized specifications such as long pulse duration (up to 250 ns) or different energy (>15mJ) is also available on request.

Applications

  • Holographic origination
  • Pulsed lithography
  • LCD and OLED display panel repair
  • LIBS

Optional Features and Add-ons

  • Customers inspired Burst mode operation feature – Energy accumulation mode: calculated energies from single pulse energy to multi-pulse accumulating hundreds of mJ or J (programmable).
  • Customers inspired Burst mode operation feature – Pulse cut off: laser emits only desired quantity of pulses (programmable).
  • Build in Beam Attenuator
  • Top-Hat beam former
  • C++ libraries for laser control software integration into customer production software.

Beam Characteristics

Specifications

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: 30/60/100Hz 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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