CW DPSS Red Lasers | ||
Wavelengths | 657 nm、 660 nm、671 nm | |
Laser version | SLM version | Basic version |
671 nm power (mW) | 200、150、100、50、25 | 300、200、150、100、50 |
657 nm 660 nm power (mW) | -- | 300、200、150、100、50 |
Longitudinal mode | Single | -- |
Line width | < 10-5 nm | < 0.15 nm， nominal |
Output noise， rms | < 0.5% (10 Hz - 20 MHz) | 2% (10 Hz - 10 kHz)， >20% (100 kHz - 1 MHz) |
Coherence length | > 300 m | -- |
Transverse mode | TEMoo， M2< 1.1 | |
Beam diameter (1/e2) | 0.2 mm (2X， 3X， 5X or 10X laser beam expander options available) | |
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 option available | |
