... stability (rms, over 4 hours) <1%, <3%, <5%Warm-up time (minutes) <5M2 factor <20Beam divergence, ... <3.0Dimensions of beam at the aperture (mm) ~5×8Beam height from base plate (mm) 24.8Polarization ratio ... lifetime (hours) 10000Warranty 1 yearRemarks MDLis a diode laser module, so the beam quality is not as ... beam spot is nearly square.Remarks MDLis a diode laser module, so the beam quality is not as ...