Single crystal formation of amino acid with high temporal controllability by combining femtosecond and continuous wave laser trapping

Atsushi Miura*, Yan Hua Huang, Hiroshi Masuhara

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We investigated laser trapping crystallization of glycine by using femtosecond (fs) laser as a trapping light source. Impulsively exerted fs laser pulses crystallized glycine more effectively than that induced by continuous wave (CW) laser trapping. Highly efficient crystallization and crystal growth behavior indicates fs laser irradiation increased the concentration not only at the focal spot, but also around the laser focus. Furthermore, we found that irradiation of fs pulses to CW laser-induced locally high supersaturation region enables immediate crystallization. Spatiotemporally controlled triggering of a single crystal formation with sub-second time resolution has achieved by integrating fs and CW laser trapping techniques.

Original languageEnglish
Pages (from-to)473-477
Number of pages5
JournalApplied Physics B: Lasers and Optics
Volume112
Issue number4
DOIs
StatePublished - 1 Sep 2013

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