Organic random laser in an optofluidic chip fabricated by femtosecond laser

2010 ◽  
Author(s):  
Krishna Chaitanya Vishnubhatla ◽  
Roberto Osellame ◽  
Guglielmo Lanzani ◽  
Roberta Ramponi ◽  
Tersilla Virgili
Keyword(s):  
Femtosecond Laser ◽  
Random Laser ◽  
Optofluidic Chip

Single cell trapping and stretching in a femtosecond laser fabricated optofluidic chip

2011 ◽  
Author(s):  
L. Ferrara ◽  
F. Bragheri ◽  
P. Minzioni ◽  
I. Cristiani ◽  
K. C. Vishnubhatla ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Single Cell ◽  
Cell Trapping ◽  
Single Cell Trapping ◽  
Optofluidic Chip

Trapping and Stretching of Single Cells in an Optofluidic Chip Fabricated by a Femtosecond Laser

2010 ◽  
Author(s):  
N. Bellini ◽  
K. Vishnubhatla ◽  
R. Ramponi ◽  
R. Osellame ◽  
F. Bragheri ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Single Cells ◽  
Optofluidic Chip

Optofluidic chip for single cell trapping and stretching fabricated by a femtosecond laser

2010 ◽  
Vol 3 (4) ◽  
pp. 234-243 ◽  
Author(s):  
Francesca Bragheri ◽  
Lorenzo Ferrara ◽  
Nicola Bellini ◽  
Krishna C. Vishnubhatla ◽  
Paolo Minzioni ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Single Cell ◽  
Cell Trapping ◽  
Single Cell Trapping ◽  
Optofluidic Chip

Plastic optofluidic chip fabricated by femtosecond laser ablation

2012 ◽  
Author(s):  
R. Martínez Vázquez ◽  
S. M. Eaton ◽  
G. Cerullo ◽  
R. Ramponi ◽  
R. Osellame
Keyword(s):  
Laser Ablation ◽  
Femtosecond Laser ◽  
Femtosecond Laser Ablation ◽  
Optofluidic Chip

Multi-photon excited coherent random laser emission in ZnO powders

Nanoscale ◽  
2015 ◽  
Vol 7 (1) ◽  
pp. 317-323 ◽  
Author(s):  
Christian Tolentino Dominguez ◽  
Maria de A. Gomes ◽  
Zélia S. Macedo ◽  
Cid B. de Araújo ◽  
Anderson S. L. Gomes
Keyword(s):  
Zinc Oxide ◽  
Laser Radiation ◽  
Femtosecond Laser ◽  
Laser Emission ◽  
Random Laser ◽  
Femtosecond Laser Radiation ◽  
Zno Powders ◽  
Anti Stokes

We report the observation and analysis of anti-Stokes coherent random laser (RL) emission from zinc oxide (ZnO) powders excited by one-, two- or three-photon femtosecond laser radiation.

Femtosecond laser-pumped plasmonically enhanced near-infrared random laser based on engineered scatterers

2017 ◽  
Vol 42 (23) ◽  
pp. 5002 ◽  
Author(s):  
Venkata Siva Gummaluri ◽  
Radhika V. Nair ◽  
S. R. Krishnan ◽  
C. Vijayan
Keyword(s):  
Femtosecond Laser ◽  
Near Infrared ◽  
Random Laser

scholarly journals Hydrodynamic lift for single cell manipulation in a femtosecond laser fabricated optofluidic chip

2017 ◽  
Vol 4 (1) ◽  
Author(s):  
Francesca Bragheri ◽  
Roberto Osellame
Keyword(s):  
Femtosecond Laser ◽  
Single Cell ◽  
Optical Waveguides ◽  
Cell Manipulation ◽  
Microfluidic Channels ◽  
Hydrodynamic Focusing ◽  
Cell Trapping ◽  
Femtosecond Laser Micromachining ◽  
Single Cell Trapping ◽  
Optofluidic Chip

AbstractSingle cell sorting based either on fluorescence or on mechanical properties has been exploited in the last years in microfluidic devices. Hydrodynamic focusing allows increasing the efficiency of theses devices by improving the matching between the region of optical analysis and that of cell flow. Here we present a very simple solution fabricated by femtosecond laser micromachining that exploits flow laminarity in microfluidic channels to easily lift the sample flowing position to the channel portion illuminated by the optical waveguides used for single cell trapping and analysis.

scholarly journals Controllability of random laser output waveshape under femtosecond laser pumping

2011 ◽  
Vol 60 (7) ◽  
pp. 074203
Author(s):  
Zhu Qi-Hua ◽  
Zhang Qing-Quan ◽  
Lü Jian-Tao ◽  
Wang Ke-Jia ◽  
Liu Jin-Song ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Laser Output ◽  
Random Laser ◽  
Laser Pumping

Nanosecond laser-induced breakdown assisted by femtosecond laser pre-ionization in air: the effect on spatial resolution and continuous radiation

2020 ◽  
Vol 92 (2) ◽  
pp. 20701
Author(s):  
Bo Li ◽  
Xiaofeng Li ◽  
Zhifeng Zhu ◽  
Qiang Gao
Keyword(s):  
Femtosecond Laser ◽  
Spatial Resolution ◽  
Laser Induced Breakdown Spectroscopy ◽  
Nanosecond Laser ◽  
Breakdown Threshold ◽  
Powerful Technique ◽  
Breakdown Spectroscopy ◽  
Continuous Radiation ◽  
Laser Induced Breakdown

Laser-induced breakdown spectroscopy (LIBS) is a powerful technique for quantitative diagnostics of gases. The spatial resolution of LIBS, however, is limited by the volume of plasma. Here femtosecond-nanosecond dual-pulsed LIBS was demonstrated. Using this method, the breakdown threshold was reduced by 80%, and decay of continuous radiation was shortened. In addition, the volume of the plasma was shrunk by 85% and hence, the spatial resolution of LIBS was significantly improved.

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