Session 9

[OMC11-05] Microspectroscopic analysis of a single liquid dropletformed by optical tweezers in a temperature responsive ionic liquid

*Rai Kobayashi¹, Yasuyuki Tsuboi¹ , Ken-ichi Yuyama¹ (1. Osaka Metropolitan University)

We demonstrate single droplet formation in a temperature responsive ionic liquid/water mixture by optical tweezers. Upon focusing a near-infrared laser beam into the mixture, a liquid droplet is formed at the focal spot due to optical trapping and laser heating. The concentration of the droplet depends on its size and the initial solution concentration. We also show that molecules can be extracted to the droplet, which is applicable to microanalysis.