Hollow Bessel-like beam as an optical guide for a stream of microscopic particles

Niko Eckerskorn, Li Li, Richard Kirian, Jochen Küpper, Daniel P. DePonte, Wieslaw Krolikowski, Woei M. Lee, Henry N. Chapman, Andrei V. Rode

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Current aerosol sample injection methods for coherent x-ray morphology suffer from excessive sample consumption due to the dispersion of the aerosol. To remedy this we propose here a high aspect ratio optical funnel by using a hollow Bessel-like beam with variable divergence, which may reduce sample consumption significantly. We present estimated optical forces exerted on the particles in the transverse plane, depending on various experimental conditions. We show that light pressure imposed by a funnel formed with 4.2 W continuous wave laser is sufficient to divert a stream of 2 μm polystyrene particles travelling ∼50 m/s by ∼1.5 × 103 rad.

Original languageEnglish (US)
Pages (from-to)30492-30499
Number of pages8
JournalOptics Express
Volume21
Issue number25
DOIs
StatePublished - Dec 16 2013
Externally publishedYes

Fingerprint

hollow
funnels
aerosols
illuminance
continuous wave lasers
high aspect ratio
polystyrene
divergence
injection
x rays

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Eckerskorn, N., Li, L., Kirian, R., Küpper, J., DePonte, D. P., Krolikowski, W., ... Rode, A. V. (2013). Hollow Bessel-like beam as an optical guide for a stream of microscopic particles. Optics Express, 21(25), 30492-30499. https://doi.org/10.1364/OE.21.030492

Hollow Bessel-like beam as an optical guide for a stream of microscopic particles. / Eckerskorn, Niko; Li, Li; Kirian, Richard; Küpper, Jochen; DePonte, Daniel P.; Krolikowski, Wieslaw; Lee, Woei M.; Chapman, Henry N.; Rode, Andrei V.

In: Optics Express, Vol. 21, No. 25, 16.12.2013, p. 30492-30499.

Research output: Contribution to journalArticle

Eckerskorn, N, Li, L, Kirian, R, Küpper, J, DePonte, DP, Krolikowski, W, Lee, WM, Chapman, HN & Rode, AV 2013, 'Hollow Bessel-like beam as an optical guide for a stream of microscopic particles', Optics Express, vol. 21, no. 25, pp. 30492-30499. https://doi.org/10.1364/OE.21.030492
Eckerskorn N, Li L, Kirian R, Küpper J, DePonte DP, Krolikowski W et al. Hollow Bessel-like beam as an optical guide for a stream of microscopic particles. Optics Express. 2013 Dec 16;21(25):30492-30499. https://doi.org/10.1364/OE.21.030492
Eckerskorn, Niko ; Li, Li ; Kirian, Richard ; Küpper, Jochen ; DePonte, Daniel P. ; Krolikowski, Wieslaw ; Lee, Woei M. ; Chapman, Henry N. ; Rode, Andrei V. / Hollow Bessel-like beam as an optical guide for a stream of microscopic particles. In: Optics Express. 2013 ; Vol. 21, No. 25. pp. 30492-30499.
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