Two-Photon Polymerization: Functionalized Microstructures, Micro-Resonators, and Bio-Scaffolds

Author(s)

Otuka, Adriano J. G. ^[1] ; Tomazio, Nathalia B. ^{[1, 2]} ; Paula, Kelly T. ^[1] ; Mendonca, Cleber R. ^[1]

Affiliation

^[1] Univ Sao Paulo, Sao Carlos Inst Phys, Photon Grp, BR-13566590 Sao Carlos, SP - Brazil

^[2] Univ Estadual Campinas, Gleb Wataghin Inst Phys, Device Res Lab, BR-13083859 Campinas - Brazil

• Document type: Journal article
• Source: POLYMERS; v. 13, n. 12 JUN 2021.
• Web of Science Citations: 0

Abstract

The direct laser writing technique based on two-photon polymerization (TPP) has evolved considerably over the past two decades. Its remarkable characteristics, such as 3D capability, sub-diffraction resolution, material flexibility, and gentle processing conditions, have made it suitable for several applications in photonics and biosciences. In this review, we present an overview of the progress of TPP towards the fabrication of functionalized microstructures, whispering gallery mode (WGM) microresonators, and microenvironments for culturing microorganisms. We also describe the key physical-chemical fundamentals underlying the technique, the typical experimental setups, and the different materials employed for TPP. (AU)

• FAPESP's process: 16/20094-8 - Fabrication of biocompatible and biologically active platforms using laser processing techniques
• Grantee: Adriano José Galvani Otuka
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 18/11283-7 - Nonlinear photonics: spectroscopy and advanced processing of materials
• Grantee: Cleber Renato Mendonça
• Support Opportunities: Research Projects - Thematic Grants
• FAPESP's process: 20/04686-8 - On-chip optical parametric oscillators (pD2)
• Grantee: Nathália Beretta Tomazio
• Support Opportunities: Scholarships in Brazil - Post-Doctoral