Thorlabs offers this HRS015 – Stabilized HeNe Laser (Helium Neon) with an output power of 1.2 mW and polarized at 632.9 nm(vacuum). Frequency or intensity stabilization is enabled.
Includes an English manual
Technical specifications:
Voltage: 100 – 240 V
Power: >1.2mW
Wavelength 632.992 nm (vacuum)
Polarization Linear >1000:1
Time to lockout: <15 minutes
Temperature range to maintain lock 15 – 30 °C
Frequency stabilization of ±2 MHz
Intensity stabilization of ±0.2%
External dimensions (W) x (D) x (H): 10 x 15 x 20 cm
Mounting plate (W) x (D) x (H): 45 x 45 x 1.3 cm
Weight Mounting plate: 7 kg