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Experimental setup used for multiphoton polymerization (MPP) (left): (1) fs-laser source; (2) λ/2-waveplate; (3) polarizing beam splitter; (4) beam expander; (5) halogen lamp; (6) CCD-camera;(7) objective; (8) material bath; (9) 3D-axis handling. SL (right): (1) nitrogen laser; (2) focus lense; (3) photo polymer bath; (4) translation stage/rotation stage; (5) motion controller.
