Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Pranitha Sankar"'
Autor:
Philip Mosel, Pranitha Sankar, Jan Friedrich Düsing, Günter Dittmar, Thomas Püster, Peter Jäschke, Jan-Willem Vahlbruch, Uwe Morgner, Milutin Kovacev
Publikováno v:
Materials, Vol 14, Iss 16, p 4397 (2021)
Ultrashort pulse laser machining is subject to increase the processing speeds by scaling average power and pulse repetition rate, accompanied with higher dose rates of X-ray emission generated during laser–matter interaction. In particular, the X-r
Externí odkaz:
https://doaj.org/article/94a8f43605414f82bb29ac90f8f4c003
Autor:
Philip Mosel, Pranitha Sankar, null Zulqarnain, Elisa Appi, Christoph Jusko, David Zuber, Sven Kleinert, Jan Düsing, Jose Mapa, Günter Dittmar, Thomas Püster, Petra Böhmer-Brinks, Jan-Willem Vahlbruch, Uwe Morgner, Milutin Kovacev
Publikováno v:
Optics express. 30(20)
A large range of laser-matter applications employ ultrashort pulses and high laser intensity. Such processes can lead to unrequired X-ray generation, which represents a hazardous radiation factor even for common laboratory research-grade laser system
Publikováno v:
Optical Materials. 92:30-35
In this work, an Ag nanoparticle colloidal suspension flowing in the form of a thin jet (250 μm) is irradiated by 150 femtosecond, 800 nm laser pulses to form a plasma which emits bremsstrahlung X-rays of up to 100 keV energy. The flowing jet ensure
Autor:
Pranitha Sankar, Reji Philip
Publikováno v:
Nanomaterials for Luminescent Devices, Sensors, and Bio-imaging Applications ISBN: 9789811653667
The field of NLO grew substantially over the years, facilitating a deeper understanding of light-matter interaction and providing solutions for several technological problems. Efficient nonlinear optical interactions have become essential for many ap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ad14cffabb0a4748d9779590de97f12e
https://doi.org/10.1007/978-981-16-5367-4_6
https://doi.org/10.1007/978-981-16-5367-4_6
Publikováno v:
Journal of Molecular Structure. 1238:130412
Detailed investigations on the linear and nonlinear optical properties of 3‑chloro 4-fluoro aniline (CFA) and 2-iodo aniline (IA) have been carried out to understand their applicability. Natural Bond Orbital (NBO) analysis reveals the potential non
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 184:286-293
The interaction of pyrene on silver has been investigated using both experimental and computational methods. Hyperpolarizabilities computed theoretically together with experimental nonlinear absorption from open aperture Z-scan measurements, point to
Autor:
Kishore Sridharan, Sreekanth Perumbilavil, Reji Philip, Dibyashree Koushik, V.P. Mahadevan Pillai, Pranitha Sankar
Publikováno v:
Carbon. 111:283-290
We report the nonlinear optical properties of graphene oxide (GO), reduced graphene oxide (rGO), sulfonated graphene oxide (S-rGO), and sparingly sulfonated water soluble graphene (WSG), measured under ultrafast (100 fs) and short pulse (300 ps, 50 n
Autor:
Pranitha Sankar, V.P. Mahadevan Pillai, S. Prasanth, Chellappanpillai Sudarsanakumar, N.V. Unnikrishnan, T.V. Vineeshkumar, D. Rithesh Raj
Publikováno v:
Optical Materials. 58:128-135
Composition dependent structural, optical nonlinear and limiting properties of PVA capped Zn1-x-yCdxCuyS quantum dots at different Cu:Zn ratio synthesized by insitu technique is subjected to detailed investigation. Cubic phase of the quantum dots wer
Autor:
Reji Philip, P.J. Tejkiran, G. Nageswara Rao, M.S. Brahma Teja, S. Naveen, Pranitha Sankar, Neratur Krishnappagowda Lokanath, P. Sai Siva Kumar
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 324:33-39
With the growing interest for organic molecules in Nonlinear Optical (NLO) applications, we have synthesized nine novel thienyl chalcones based on the D-A-π-D design. In order to establish the identity, these have been characterized in detail. Havin
Publikováno v:
Optical Materials. 49:59-66
Among the various classes of Nonlinear Optical chromophores, porphyrins appear to have exclusive characteristics that make them superior to other compounds as optical materials. Here we report the experimental analysis on the nonlinear optical proper