The striped grooves of patterned sapphire substrate are ablated by femtosecond laser.
Yichao Xu, Jun Zou, Xiaoyan Lin, Wenjuan Wu, Wenbo Li, Bobo Yang, Mingming Shi 2018, 'Quality-Improved GaN Epitaxial Layers Grown on Striped Patterned Sapphire SubstratesAblated by Femtosecond Laser', Applied Scienceshttp://www.mdpi.com/2076-3417/8/10/1842. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Femtosecond transient transmission optical spectroscopy was used to monitor carrier mechanisms in the samples.
T. Chlouba, F. Trojánek, J. Laube, D. Hiller, S. Gutsch, M. Zacharias, P. Malý 2018, 'Interplay of bimolecular and Auger recombination in photoexcited carrier dynamicsin silicon nanocrystal/silicon dioxide superlattices', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-018-19967-x. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We report experimental and theoretical results on mid-infrared femtosecond pulse filamentation in different gases.
Bejot P., Zheltikov A., Petrarca M., Voronin A., Pugžlis A., Kartashov D., AlišauskasS., Kasparian J., Baltuška A. 2013, 'Mid-Infrared femtosecond filament and three octaves continuum generation in gases',EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20134110003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Theoretical analysis has revealed the rich femtosecond nuclear dynamics underlying the mapping phenomenon.
V. Kimberg, A. Lindblad, J. Söderström, O. Travnikova, C. Nicolas, Y. P. Sun, F. Gel'mukhanov,N. Kosugi, C. Miron 2013, 'Single-Molecule X-Ray Interferometry: Controlling Coupled Electron-Nuclear QuantumDynamics and Imaging Molecular Potentials by Ultrahigh-Resolution Resonant Photoemissionand Ab Initio Calculations', Physical Review Xhttp://doi.org/10.1103/PhysRevX.3.011017. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The results are complementary to the information obtained from femtosecond studies.
Philip Coppens 2015, 'Perspective: On the relevance of slower-than-femtosecond time scales in chemical structural-dynamicsstudies', Structural Dynamicshttp://dx.doi.org/10.1063/1.4913362. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Our study provides insights for better understanding and control of femtosecond laser nanostructuring.
Xin Zheng, Cong Cong, Yuhao Lei, Jianjun Yang, Chunlei Guo 2018, 'Formation of Slantwise Surface Ripples by Femtosecond Laser Irradiation', Nanomaterialshttp://www.mdpi.com/2079-4991/8/7/458. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Stereolithography that uses a femtosecond laser was employed as a method for multiphoton-sensitizedpolymerization.
Junji Sone, Katsumi Yamada, Akihisa Asami, Jun Chen 2014, 'Sub-Micrometer Size Structure Fabrication Using a Conductive Polymer', Micromachineshttp://www.mdpi.com/2072-666X/6/1/96. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Crystalline tellurium undergoes amorphization after irradiation with strong femtosecond pulses.
Cheng Yu-Hsiang, Teitelbaum Samuel, Gao Frank, Nelson Keith 2019, 'Amorphization in crystalline tellurium by femtosecond pulses', EPJ Web of Conferenceshttps://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_04011.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Femtosecond infrared luminescence has been observed in bulk and nano-structured platinum.
Suemoto Tohru, Sugimoto Noriaki, Nishikawa Kazutaka, Yamanaka Ken-ichi, Inagaki Shinji 2019, 'Observation of electron decay dynamics in Pt nano-structures by femtosecond infraredluminescence', EPJ Web of Conferenceshttps://www.epj-conferences.org/articles/epjconf/pdf/2019/10/epjconf_up2019_04018.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The sensing structures were fabricated in a single-mode fiber by femtosecond laser micromachining.
Monika Janik, Marcin Koba, Anna Celebańska, Wojtek J. Bock, Mateusz Śmietana 2018, 'Live E. coli bacteria label-free sensing using a microcavity in-line Mach-Zehnderinterferometer', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-018-35647-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)