Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Vlastimil Matějec"'
Autor:
Ivan Kasik, Vlastimil Matejec, Hayer Milos, Kamradek Michal, Podrazky Ondrej, Mrazek Jan, Peterka Pavel, Honzatko Pavel
Publikováno v:
Ceramics-Silikáty, Vol 64, Iss 1, Pp 29-34 (2019)
Optical fibers represent the key component of modern optical telecommunication networks. Such fibers are based on silica glass of high purity usually modified with several percent of glassforming oxides such as GeO₂ and P₂O₅. These materials wi
Externí odkaz:
https://doaj.org/article/64353331cb404d50b135c634823aba7f
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 11, Iss 1, Pp 29-35 (2013)
The fabrication of Er-doped ZrO2-based nanocrystalline phase-separated optical fiber preforms using the MCVD and solution doping techniques is presented and discussed in details in the paper. Preforms with nearly transparent cores containing Er-doped
Externí odkaz:
https://doaj.org/article/b11e5a8b63914ef08426f8b4610bfeea
Publikováno v:
Chemosensors, Vol 11, Iss 10, p 521 (2023)
Recently, rapid progress has been achieved in the field of nanomaterial preparation and investigation. Many nanomaterials have been employed in optical chemical sensors and biosensors. This review is focused on fiber-optic nanosensors for chemical se
Externí odkaz:
https://doaj.org/article/8bde59d646894220a85062b19103e24e
Publikováno v:
Chemistry Africa. 2:301-307
Measurements of pH are important in industry, agriculture, medicine, etc. Two main principles, namely electrochemical and optical ones, have been employed in pH meters and sensors. This paper is aimed at the development of extrinsic fiber-optic senso
Publikováno v:
Journal of Sol-Gel Science and Technology. 87:696-703
This paper deals with three approaches for the preparation of arsenic sulfide layers from solutions. First approach employs arsenic sulfide solutions obtained by dissolving powder of arsenic sulfide glass in n-propylamine. Second approach, a novel on
Publikováno v:
Micro-structured and Specialty Optical Fibres VI.
Recently optical capillaries modified by Bragg reflection mirrors applied on the inner walls have been investigated for transmitting radiation of MIR lasers. Such capillaries include Bragg and omniguide fibers, holley fibers, or silica Kagome like fi
Publikováno v:
Optical Materials
Optical Materials, Elsevier, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, Elsevier, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
Optical Materials, 2021, 112, pp.110805. ⟨10.1016/j.optmat.2021.110805⟩
International audience; We present a generic sol-gel approach for the preparation of a distributed Bragg reflector (DBR) based on combining nanocrystalline Zn2TiO4 with amorphous SiO2 xerogel films. We determined the effects of the annealing temperat
Publikováno v:
Optical Fiber Technology. 31:36-41
This paper presents fundamental characteristics of laboratory designed and fabricated Bragg fibers with air and silica cores at wavelengths of 632, 975, 1064 and 1550 nm. Fibers with the 26- μ m-silica core and 5- or 73- μ m-air cores in diameters
Publikováno v:
Journal of Non-Crystalline Solids. 431:47-51
This paper presents results of the preparation and optical characterization of As 2 S 3 layers by using spin or dip-coating technique and As 2 S 3 solutions in ethylenediamine and n-propylamine as solvents. These solutions were prepared from arsenic
Publikováno v:
Photonics, Devices, and Systems VII.
In this contribution a new method for determination of transmission characteristics and mechanism of optical radiation propagation in Bragg fibers is described. The investigated Bragg fibers are designed for high-power laser radiation delivery. Atten