tau 671


The tau is Laser Quantum's smallest laser to date. The compact, mono-block design makes it an ideal choice for OEM integration and the 671 has an exceptional output of up to 50 mW with a highly stable, diffraction limited beam. It is a high specification, single transverse mode 671 nm CW red laser making it ideal for Raman spectroscopy, fluorescence spectroscopy, DNA sequencing and for integration into OEM packages.

Specification

Power30 mW - 50 mW
Wavelength671 nm
Spectral Bandwidth~100 GHz
Coherence Length~3 mm
Power Stability<1.0% RMS
Noise<1.0% RMS
Noise Bandwidth10 Hz - 10 kHz
Pointing Stability<10 µrad/°C
Spatial ModeTEM00
M2<1.2
Divergence<1 mrad
Beam Diameter1.4 mm ± 0.2 mm
Polarisation Ratio>100:1
Polarisation DirectionHorizontal
Beam Angle<2 mrad
Operating Temperature22 - 37°C
Weight<0.5 kg
Umbilical Length0.75 m
Warmup Time<10 minutes
Laser ClassClass IV

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