CW DPSS Green Lasers | |||
Wavelengths | 523 nm， 527 nm， 542 nm | ||
Laser version | SLM version | Basic version | |
Output power (mW) | 10， 5 | 400， 200， 100， 10， 5; For 542nm: 75， 50， 25， 10 | |
Output noise， rms | < 0.5% (10 Hz - 20 MHz) | 2% (0 -10 kHz)， >10% at 300 kHz | |
Longitudinal mode | Single | -- | |
Linewidth | < 10-5 nm | 0.2 nm | |
Coherence length | > 300 m | -- | |
Transverse mode | TEMoo， M2>1.1 | ||
Beam diameter (1/e2) | 0.2 mm | ||
Beam divergence， full angle | 4 mrad (can be reduced with a beam expander) | ||
Power stability， rms | < 2% over 8 hours; Ultra-stable options: 0.5% or 0.25% over 24 hours | ||
Beam pointing stability | < 0.02 mrad at constant temperature | ||
Polarization | Linear; Ratio 50:1; > 100:1 or >300:1 options available | ||
