420 nm Violet Laser Low Noise .
It features ultra compact design, long lifetime, cost-effectiveness and easy operation. They are used in measurement, communication, spectrum analysis, etc.
Central wavelength (nm) 420
Operating mode CW
Output power (mW) >1, 10, 20,... ,100
Power stability (rms, over 4 hours) <1%, <2%, <3% (<0.5%, optional)
Transverse mode Near TEM00 Noise of amplitude (rms, 20Hz~20MHz) <1%
M2 factor <1.5 (<1.2, optional)
Beam diameter at the aperture (1/e2,mm) ~3.5 (~1.2, optional)
Beam divergence, full angle (mrad) <1.0
Polarization ratio >50:1 (>100:1, optional)
Horizontal±5 degree (Vertical Optional)
Warm-up time (minutes) <5
Pointing stability after warm-up (mrad) <0.05
Beam height from base plate (mm) 24.8
Operating temperature (C) 10~35
