Specifications: Wavelength (nm): 635± 5 Output Power (mW): 150mw Working Mode: CW Beam Mode: Quasi TE00 Spectral Linewidth (nm) <0.1 Polarization: Line polarization Polarization Ratio >50: 1 Beam Quality (M2 factor) <20 Beam Divergence (full angle, mrad): Square, ~6.0× 6.0 Beam Diameter at Aperture (mm): 3.0× 4.0 Power Stability (RMS, over 8 hours) <5% Aperture Position (mm): 25 Laser Head Dimensions (L× W× H, mm): 136 x 50 x 45 Net Weight (kg): 1kg External Modulation: 5V TTL Modulating Frequence: 30KHz TTL Cooling System: TEC Warm-up Time (minutes)<15 Operation Temperature (C): 18~30 Expected Lifetime (hours) >10000 Warranty Time: 1 year