Abbreviated TEM. The cross-sectional shape of the working laser beam. An infinite number of shapes can be produced, but only a relatively small number are needed for industrial applications. In general, the higher the TEM, the coarser the focusing.
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Abbreviated TEM. The cross-sectional shape of the working laser beam. An infinite number of shapes can be produced, but only a relatively small number are needed for industrial applications. In general, the higher the TEM, the coarser the focusing.