gem 671

At 671 nm and 50 mW - 750 mW, the gem 671 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 671 is suitable for a wide range of scientific applications including fluorescence imaging and spectroscopy.


Power50 mW - 750 mW
Wavelength671 nm
Spectral Bandwidth30 GHz
Coherence Length~1 cm
Power Stability<1.0% RMS
Noise<0.6% RMS
Noise Bandwidth10 Hz - 10 kHz
Pointing Stability<10 µrad/°C
Spatial ModeTEM00
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

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