| http://www.w3.org/ns/prov#value | - However, the converged beam spot diameter is a value obtained by multiplying the light source width by the magnification (f2 /f1) determined by the ratio of the distance between the condenser lens and the beam spot (i.e., the focal length f2 of the condenser lens) to the distance between the semiconductor laser stripes and the micro lens array (i.e., the focal length f1 of the micro lenses).
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