Time-resolved study of absorbing film assisted laser induced forward transfer of Trichoderma longibrachiatum conidia

B. Hopp, T. Smausz, N. Barna, C. Vass, Zs Antal, L. Kredics, D. Chrisey

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

We have characterized the absorbing film assisted transfer of Trichoderma longibrachiatum conidia using a synchronized laser for illumination. The transfer laser used was a KrF excimer laser (λ = 248 nm, FWHM = 30 ns) and the ejected material was illuminated parallel to the quartz plate by a nitrogen laser pumped Coumarine 153 dye laser beam (λ = 453 nm, FWHM = 1 ns) electronically delayed relative to the transfer UV pulse. Our time-resolved investigations determined that the ejection velocity front of the conidia plume from the donor surface during the transfer procedure was 1150 m s-1 at 355 mJ cm-2 applied laser fluence. On the basis of the measured data, the acceleration of the emitted conidia at the plume front was approximately 109×g. The conidia survived the absorbing film assisted forward transfer and associated mechanical shear without significant damages suggesting that the technique might be applicable to other more fragile types of biological objects and applications.

Original languageEnglish
Pages (from-to)833-837
Number of pages5
JournalJournal of Physics D: Applied Physics
Volume38
Issue number6
DOIs
Publication statusPublished - Mar 21 2005

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Time and motion study
Lasers
Full width at half maximum
lasers
plumes
Coumarins
Quartz
Dye lasers
Excimer lasers
nitrogen lasers
Laser beams
Nitrogen
ejection
dye lasers
Lighting
excimer lasers
fluence
quartz
illumination
laser beams

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Time-resolved study of absorbing film assisted laser induced forward transfer of Trichoderma longibrachiatum conidia. / Hopp, B.; Smausz, T.; Barna, N.; Vass, C.; Antal, Zs; Kredics, L.; Chrisey, D.

In: Journal of Physics D: Applied Physics, Vol. 38, No. 6, 21.03.2005, p. 833-837.

Research output: Contribution to journalArticle

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AU - Antal, Zs

AU - Kredics, L.

AU - Chrisey, D.

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AB - We have characterized the absorbing film assisted transfer of Trichoderma longibrachiatum conidia using a synchronized laser for illumination. The transfer laser used was a KrF excimer laser (λ = 248 nm, FWHM = 30 ns) and the ejected material was illuminated parallel to the quartz plate by a nitrogen laser pumped Coumarine 153 dye laser beam (λ = 453 nm, FWHM = 1 ns) electronically delayed relative to the transfer UV pulse. Our time-resolved investigations determined that the ejection velocity front of the conidia plume from the donor surface during the transfer procedure was 1150 m s-1 at 355 mJ cm-2 applied laser fluence. On the basis of the measured data, the acceleration of the emitted conidia at the plume front was approximately 109×g. The conidia survived the absorbing film assisted forward transfer and associated mechanical shear without significant damages suggesting that the technique might be applicable to other more fragile types of biological objects and applications.

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