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21.0 mW Red (632.8 nm) Output with Linear, 500:1 Polarization
Thorlabs' cylindrical red (632.8 nm) Helium-Neon lasers feature a tube design that makes them easy to mount in nearly any optical system. The HNL210LB outputs a 21.0 mW, linearly polarized beam that is polarized vertically with respect to the cable at the rear of the laser's housing. The HNL225RB model offers a 22.5 mW, randomly polarized output. A built-in interlock circuit can be integrated with lab safety systems.