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gem 660 - 660nm Laser

Specification Features Downloads

At 660nm and 50 mW - 1 W, the gem 660 is among the most powerful and compact red lasers available today. It has excellent beam characteristics and, using our innovative stress-free cavity architecture, the gem 660 is suitable for a wide range of scientific applications including fluorescence imaging and spectroscopy.


Power100 mW - 1 W Wavelength660 nm
Spectral Bandwidth30 GHz Coherence Length~1 cm
Power Stability<1.0% RMS Noise<0.6% RMS
Pointing Stability<10 µrad/°C Spatial ModeTEM00
M2<1.2 Divergence<1.5 mrad
Beam Diameter0.75 mm ± 0.15 mm Polarisation Ratio>100:1
Polarisation DirectionHorizontal Beam Angle<1 mrad
Operating Temperature15 - 40ºC Weight0.75 kg
Umbilical Length1.5 m Warmup Time<10 minutes
Laser ClassClass IV Download Specification (612KB)

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