Observation of sharp resonances in the spontaneous Raman spectrum of a single optically levitated microdroplet

<title>Time-resolved Raman spectroscopy from reacting optically levitated microdroplets</title>

“…Thus, most of the Raman experiments on single suspended droplets have used this type of suspension. Lettieri and Preston (1985) acquired the spectrum of an optically levitated dioctyl phthalate (DOP) droplet, and found that it agreed well with the bulk DOP spectrum. They collected the spectrum of levitated glass spheres and quartz microcrystals.…”

Electrodynamic Trapping of Aerocolloidal Particles: Experimental and Theoretical Trapping Limits

“…5. Equation [19] was used to predict the charge from to that of Matter et al (53), was constructed to provide the excimer source, and the data points shown in Fig. 5 were maximum illumination of flowing particles.…”

“…Since the pioneering work of Thurn and Kiefer (17,18) A charged particle is levitated by a dc field produced by and Lettieri and Preston (19), numerous investigators have the endcap electrodes, and focusing of the particle to a single reported Raman measurements from particles in the 10-80 point in space is achieved by applying an ac potential to the mm size range. Since the Raman signal is proportional to ring electrode.…”

The optical trapping of airborne hydrocarbon droplets from an oil mist

“…The optical levitation of liquid droplets in the gas phase was pioneered by Ashkin and Dziedzic [1][2][3][4][5][6][7] and the methodology has been used to study a number of low-volatility liquids [3,[8][9][10][11], such as glycerol and dioctyl phthalate. The combination of optical levitation with Raman spectroscopy [8,12,13] has provided a powerful tool for in situ chemical analysis of these aerosol particles.…”