title: Multi-focus two-photon polymerization technique based on individually controlled phase modulation.
abstract: Multi-focus two-photon polymerization with a spatial light modulator is demonstrated. The spatial light modulator generates multi-focus spots via phase modulation technique controlled by a computer generated hologram (CGH) pattern. Each focus spot can be individually addressed in position and laser intensity. The multi-focus two-photon polymerization technique allows the fabrication of complex 2-D and 3-D structures both symmetric and asymmetric. Smooth sine curved polymerized lines with amplitude of 5 microm and a period of 200 microm were obtained by fast switching of the CGH patterns.
authors: Laser Zentrum Hannover eV, Hollerithallee 8, 30419 Hannover, Germany. k.obata@lzh.de
authors: Kotaro
authors: K
authors: Obata
authors: Jürgen
authors: J
authors: Koch
authors: Ulf
authors: U
authors: Hinze
authors: Boris N
authors: BN
authors: Chichkov
mesh_terms: D004867:Equipment Design; D006696:Holography / Q000295:instrumentation*; D007834:Lasers; D017785:Photons; D058105:Polymerization