Improvement in ultraviolet based decontamination rate using meta-materials
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ENAKI, N.; BAZGAN, Sergiu; CIOBANU, Nellu; ŢURCAN, Marina; PASLARI, Tatiana R.; RISTOSCU, Carmen; VASEASHTA, Ashok; MIHĂILESCU, Ion. Improvement in ultraviolet based decontamination rate using meta-materials. In: Applied Surface Science. 2017, nr. 417, pp. 40-47. ISSN 0169-4332.
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Applied Surface Science
Numărul 417 / 2017 / ISSN 0169-4332

Improvement in ultraviolet based decontamination rate using meta-materials

DOI: 10.1016/j.apsusc.2017.01.133
Pag. 40-47

Enaki N.1, Bazgan Sergiu1, Ciobanu Nellu12, Ţurcan Marina1, Paslari Tatiana R.1, Ristoscu Carmen3, Vaseashta Ashok4, Mihăilescu Ion3
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 ”Nicolae Testemițanu” State University of Medicine and Pharmacy,
3 National Institute for Laser, Plasma and Radiation Physics (INFLPR),
4 International Clean Water Institute, NUARI
Disponibil în IBN: 7 februarie 2018


We propose a method of decontamination using photon-crystals consisting of microspheres and fiber optics structures with various geometries. The efficient decontamination using the surface of the evanescent zone of meta-materials opens a new perspective in the decontamination procedures. We propose different topological structures of meta-materials to increase the contact surface of UV radiation with contaminated liquid. Recent observation of the trapping of dielectric particles along the fibers help us propose a new perspective on the new possibilities to trap the viruses, bacteria and other microorganisms from liquids, in this special zone, where the effective UV coherent Raman decontamination becomes possible. The nonlinear theory of the excitation of vibration modes of bio-molecule of viruses and bacteria is revised, taking into consideration the bimodal coherent states in coherent Raman excitation of biomolecules.

Decontamination, Evanescent zone, virus,

Meta-materials, Raman excitation