Wavelength (nm) 355±1 Operating mode Q-switched: AOM (Acousto-Optic Modulation) Output power (W) 1.0，1.5，2.0，2.5，3.0 @20KHz Single pulse energy (μJ) 1~150uJ@20KHz Pulse width (ns) 15ns@20KHz, 30ns@40KHz Rep. rate (kHz) 10~100, adjustable by external control Ave power stability (over 4 hours) <3%, <5%, <10% Transverse mode TEM00 M2 factor <1.3 Roundness >90% Warm-up time (minutes) <10 Beam divergence, full angle (mrad) <1 Beam diameter at the aperture (mm) <1.0 Beam height from base plate (mm) 113 Polarization ratio and Direction >100:1, Horizontal Cooled method Air cooled Operating temperature (℃) 20~35 Power supply (220/110VAC) PSU-AOM(3U) Expected lifetime (hours) 5000 Warranty period 1 year