Microprinting of fluorescent dye droplets by optical vortex laser induced forward transfer

Ken-ichi Yuyama; Haruki Kawaguchi; Kei Umesato; Katsuhiko Miyamoto; Takashige Omatsu

doi:10.1117/12.2658793

8 December 2022 Microprinting of fluorescent dye droplets by optical vortex laser induced forward transfer

Ken-ichi Yuyama, Haruki Kawaguchi, Kei Umesato, Katsuhiko Miyamoto, Takashige Omatsu

Proceedings Volume 12479, Optical Manipulation and Structured Materials Conference (OMC 2022); 124790C (2022) https://doi.org/10.1117/12.2658793
Event: Optics and Photonics International Congress, 2022, Yokohama, Japan

Abstract

We demonstrate the laser induced forward transfer of fluorescent dye solution thin films with different viscosity by employing a single 532-nm nanosecond optical vortex pulse. Upon irradiating the laser pulse, a single microdroplet is ejected from the donor film, and it is deposited onto a receiver substrate. Well-aligned microdots with the same diameter were printed on the substrate with optical vortex, whereas the production of microdots in uniform size was prevented with a conventional Gaussian beam. In addition, we demonstrate the microprinting of a number of droplets by optical vortex.

Citation Download Citation

Ken-ichi Yuyama, Haruki Kawaguchi, Kei Umesato, Katsuhiko Miyamoto, and Takashige Omatsu "Microprinting of fluorescent dye droplets by optical vortex laser induced forward transfer", Proc. SPIE 12479, Optical Manipulation and Structured Materials Conference (OMC 2022), 124790C (8 December 2022); https://doi.org/10.1117/12.2658793

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