Zobrazeno 1 - 10
of 25
pro vyhledávání: '"N. V. Lichkova"'
Publikováno v:
Optics & Laser Technology. 92:80-84
Tubular cladding waveguide was inscribed in crystal volume by a femtosecond laser operating at 0.8 µm. The waveguide sustains a single leaking mode at wavelength of 3.39 µm. Propagation losses were investigated experimentally and theoretically at w
Autor:
D. V. Irzhak, Leonid N. Butvina, Andrey Okhrimchuk, N. V. Lichkova, Vasilii K. Karandashev, Vladimir N. Zagorodnev
Publikováno v:
Inorganic Materials. 50:197-204
We have demonstrated for the first time the possibility of preparing high-purity and praseodymium- and dysprosium-doped solid solutions based on lead halides and alkali metals: Rb1 − xCsxPb2Cl5, Rb1 − xCsxPb2Br5, Rb1 − xKxPb2Cl5, and RbPb2Cl5
Autor:
Alexey L. Butvina, Vladimir N. Zagorodnev, Leonid N. Butvina, N. V. Lichkova, Olesya V. Sereda, Evgenii M Dianov
Publikováno v:
Quantum Electronics. 39:283-286
A single-mode microstructured optical fibre is fabricated from silver halogenide crystals. The fibre is intended for the mid-IR region and features a large mode area (13600 μm2). It is shown experimentally and theoretically that the fibre is in fact
Autor:
Andrey Okhrimchuk, Leonid N. Butvina, Evgenii M Dianov, Vladimir N. Zagorodnev, N. V. Lichkova, A. V. Shestakov
Publikováno v:
Quantum Electronics. 36:41-44
Lasing at the 3F3 — 3H5 transition of the Pr3+ ion in a nonhygroscopic Pr3+:RbPb2Cl5 crystal is obtained for the first time at room temperature and the luminescent and lasing properties of the crystal are studied. The maximum differential cross sec
Autor:
Leonid N. Butvina, Vladimir N. Zagorodnev, Olesya V. Sereda, N. V. Lichkova, Evgenii M Dianov
Publikováno v:
Quantum Electronics. 37:385-387
A single-mode microstructured fibre for the mid-IR region based on silver halide crystals is fabricated for the first time. It is shown theoretically and experimentally that the fibre is virtually single-mode at a wavelength of 10.27 μm and has opti
Autor:
N. V. Lichkova, Eugeny M. Dianov, Leonid N. Butvina, Vladimir N. Zagorodnev, Alexey L. Butvina
Publikováno v:
Lasers, Sources, and Related Photonic Devices.
Possibility of extrusion low loss mid-infrared (5-15 μm) micro- and nano-structured crystalline fibers, based on metal (Ag, K, Li) halides (F, Cl, Br) crystals with different design will be presented and discussed
Autor:
N. V. Lichkova, Evgeni Dianov, Andrey Okhrimchuk, Leonid N. Butvina, Vladimir N. Zagorodnev, Alexey L. Butvina
Publikováno v:
Advances in Optical Materials.
Low loss multi component photonic micro- and nano-structured metal halides crystalline fibers for 5-15 μm are extruded. Fibers of different type from silver and metal halides are singlemode for 10 μm
Autor:
Leonid N. Butvina, Alexey L. Butvina, N. V. Lichkova, Eugeny M. Dianov, Vladimir N. Zagorodnev, Olesya V. Sereda
Publikováno v:
SPIE Proceedings.
We fabricated leakage channel microstructured crystalline fiber (MCF) from solid solution AgCl x Br 1-x for middle IR with one ring of six rods and large mode field area 13 600 μm 2 for the first time. Experiments proved that MCF is effectively sing
Autor:
Kirill N. Boldyrev, Andrey Okhrimchuk, N. V. Lichkova, Leonid N. Butvina, Vladimir N. Zagorodnev, Evgueni M. Dianov
Publikováno v:
Optics letters. 33(19)
A wideband near-IR (NIR) luminescence centered at 1080 nm was found in a RbPb(2)Cl(5):Bi single crystal grown by the Bridgman technique. Absorption, luminescence, and excitation of luminescence spectra were investigated at room and cryogenic temperat
Autor:
Vladimir N. Zagorodnev, E. M. Dianov, Leonid N. Butvina, N. V. Lichkova, Andrey Okhrimchuk, Olesya V. Sereda, Alexey L. Butvina
Publikováno v:
2008 Conference on Lasers and Electro-Optics.
Microstructured and step-index fibers from silver halides singlemode at 10.6 mum and 5.5 mum are demonstrated. Experimental and theoretical evidences are presented to establish that the step-index fibers are singlemode at 10.6 mum.