Diode-pumped Solid-state Blue Laser - High-power 457nm Blue DPSS Laser:Characteriscics: High power and high stability Good beam shape Long lifetime Low cost and easy operating Applications: Solid state 457nm lasers are widely used in holography, spectrum analysis, interference, measurements, chip inspection, physics experiments, precise materials making, medical treatment, spectroscopic analysis, laser TV,laser display, laser lighting show, scientific research in general etc. Specifications: Wavelength:457nm Operating mode:CW Output power:＞800mW Spatial mode:Near TEM00 Longitudinal mode:Multi Spectral linewidth:0.1nm Coherence length:1-5m Polarization:Linear vertical Polarization ratio:>100:1 Beam quality:M2<2 Beam divergence full angle:1.5mrad Beam diameter at aperture:3mm Beam ellipticity:1±0.1 Beam pointing stability:0.03mrad Noise:<0.5% 10Hz-50MHz Power stability:±1, 3, 5% over 8 hrs rms Optical axis height:45mm Size of laser head:L×W×H=238×146×94mm Size of power supply:L×W×H=240×146×108mm Cabel-laser head:1.0, 1.5m Weight of laser head:1.6kg Weight of power supply:2.6kg TTL modulation:0V-no lasing, 5V-lasing Frequency of TTL:1kHz-30kHz Efficiency of TTL:40%-60% Analogue modulation:0-5V Frequency of analogue:1kHz-20kHz Cooling mode:TEC Operating votage:90-260VAC