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Statements

Subject Item
n2:RIV%2F68081731%3A_____%2F14%3A00434959%21RIV15-TA0-68081731
rdf:type
skos:Concept n19:Vysledek
dcterms:description
We introduce tunable optofluidic microlasers based on active optical resonant cavities formed by optically stretched, dye-doped emulsion droplets confined in a dual-beam optical trap. To achieve tunable dye lasing, optically pumped droplets of oil dispersed in water are stretched by light in the dual-beam trap. Subsequently, resonant path lengths of whispering gallery modes (WGMs) propagating in the droplet are modified, leading to shifts in the microlaser emission wavelengths. We also report lasing in airborne, Rhodamine B-doped glycerolwater droplets which were localized using optical tweezers. While being trapped near the focal point of an infrared laser, the droplets were pumped with a Q-switched green laser. Furthermore, biological lasing in droplets supported by a superhydrophobic surface is demonstrated using a solution of Venus variant of the yellow fluorescent protein or E. Coli bacterial cells expressing stably the Venus protein. Our results may lead to new ways of probing airborne particles, exploiting the high sensitivity of stimulated emission to small perturbations in the droplet laser cavity and the gain medium. We introduce tunable optofluidic microlasers based on active optical resonant cavities formed by optically stretched, dye-doped emulsion droplets confined in a dual-beam optical trap. To achieve tunable dye lasing, optically pumped droplets of oil dispersed in water are stretched by light in the dual-beam trap. Subsequently, resonant path lengths of whispering gallery modes (WGMs) propagating in the droplet are modified, leading to shifts in the microlaser emission wavelengths. We also report lasing in airborne, Rhodamine B-doped glycerolwater droplets which were localized using optical tweezers. While being trapped near the focal point of an infrared laser, the droplets were pumped with a Q-switched green laser. Furthermore, biological lasing in droplets supported by a superhydrophobic surface is demonstrated using a solution of Venus variant of the yellow fluorescent protein or E. Coli bacterial cells expressing stably the Venus protein. Our results may lead to new ways of probing airborne particles, exploiting the high sensitivity of stimulated emission to small perturbations in the droplet laser cavity and the gain medium.
dcterms:title
Droplet resonator based optofluidic microlasers Droplet resonator based optofluidic microlasers
skos:prefLabel
Droplet resonator based optofluidic microlasers Droplet resonator based optofluidic microlasers
skos:notation
RIV/68081731:_____/14:00434959!RIV15-TA0-68081731
n3:aktivita
n8:I n8:P
n3:aktivity
I, P(ED0017/01/01), P(GPP205/11/P294), P(LO1212), P(TA03010642)
n3:dodaniDat
n11:2015
n3:domaciTvurceVysledku
n5:3139522 n5:4551214 n5:3319318 n5:2038145
n3:druhVysledku
n12:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
12408
n3:idVysledku
RIV/68081731:_____/14:00434959
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Infrared lasers; Laser resonators; Lasers; Optical pumping; Optical trapping; Optical tweezers; Particles; Q switching; Resonators; Water
n3:klicoveSlovo
n7:Resonators n7:Infrared%20lasers n7:Lasers n7:Water n7:Optical%20trapping n7:Optical%20pumping n7:Q%20switching n7:Optical%20tweezers n7:Laser%20resonators n7:Particles
n3:kontrolniKodProRIV
[86F337A4CD26]
n3:mistoKonaniAkce
San Francisco
n3:mistoVydani
Bellingham
n3:nazevZdroje
Laser Resonators, Microresonators, and Beam Control XVI (Proceedings of SPIE 8960)
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
10
n3:projekt
n9:TA03010642 n9:LO1212 n9:GPP205%2F11%2FP294 n9:ED0017%2F01%2F01
n3:rokUplatneniVysledku
n11:2014
n3:tvurceVysledku
Ježek, Jan Aas, M. Pilát, Zdeněk Jonáš, A. Karadag, Y. Zemánek, Pavel Brzobohatý, Oto Kiraz, A. McGloin, D. Anand, S.
n3:typAkce
n18:WRD
n3:wos
000334026300025
n3:zahajeniAkce
2014-02-03+01:00
s:issn
0277-786X
s:numberOfPages
7
n16:doi
10.1117/12.2041447
n10:hasPublisher
SPIE