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CW Blue Lasers | |||
Wavelengths | 473 nm、488 nm | ||
Laser version | SLM version | Low noise version | Basic version (Part of Crystal Series-DPSS) |
473 nm output power (mW) | 10, 5 | 15, 10, 5 | 150, 100, 75, 50, 25, 10 |
488 nm output power (mW) | 10, 5 | 20, 15, 10, 5 | -- |
Beam diameter (1/e2) | 1.2 mm | 1.2 mm | 0.7 mm |
Beam divergence, full angle | 0.7 mrad | 0.7 mrad | 1 mrad |
Transverse mode | Circula,M2～1.2 | Circular, M2～ 1.2 | TEMoo, M2 < 1.2 |
Output noise, rms | < 1% (10 Hz - 50 MHz) | < 1% (10 Hz - 50 MHz) | 2% (0 - 10 kHz), ～30% at 300 kHz |
Longitudinal mode | Single | -- | -- |
Line width | < 10-5 nm | 0.8 nm | 1 nm, nominal |
Coherence length | > 100 m | -- | -- |
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 100:1, Vertical; > 300:1 option available | ||
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