finesse pure

The finesse pure has recently been upgraded to offer an even greater performance. Similar to the finesse, it contains PowerLoQ™ technology that ensures long term stability of the laser output to below 0.05% with typical values of 0.02%. With field replaceable diodes, pointing stability below 2 µrad/°C and the user optimisation capability, the finesse pure is an ideal laser for applications such as oscillator pumping.


Power4 W - 16 W
Wavelength532 nm
Spectral Bandwidth50 GHz
Coherence Length~6 mm
Power Stability<0.05% RMS (<10 W <0.1%)
Noise<0.02% RMS (<10 W <0.03%)
Noise Bandwidth10 Hz - 100 MHz
Pointing Stability<2 µrad/°C
Spatial ModeTEM00
Divergence<0.4 mrad
Beam Diameter2.25 mm ± 0.25 mm
Polarisation Ratio>100:1
Polarisation DirectionHorizontal (vertical available upon request)
Beam Angle<1 mrad
Operating Temperature20 - 40°C
Weight3.6 kg
Umbilical Length2 m
Warmup Time<10 minutes
Laser ClassClass IV

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