Under the Laser Quantum continuous improvement programme, the 532 nm finesse laser has recently been through a number of technical upgrades to retain its industry leading performance. With beam pointing stability below 2 µrad/°C, typical noise values around 0.05% and typical power stability of 0.06%, the finesse delivers exceptionally high quality light. Combine this with a five year warranty, 1200 g drop test prior to functional testing and field replaceable diodes and the finesse becomes the most robust, high power 532 nm laser available.


Power4 W - 16 W
Wavelength532 nm
Spectral Bandwidth50 GHz
Coherence Length~6 mm
Power Stability<0.1% RMS
Noise<0.1% RMS
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 Time10 mins
Laser ClassClass IV

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