Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Blagovesta S. Zafirova"'
Publikováno v:
AIP Conference Proceedings.
Publikováno v:
Sensors and Actuators A: Physical. 64:209-212
The light transmittance of a single-mode fiber, polished into the core, at different polishing depths is investigated experimentally. New results concerning amplitude, polarization and wavelength characteristics of such waveguide structure are presen
Publikováno v:
Optical Fiber Technology. 3:154-161
The dependence of light transfer between a curved single-mode fiber and a multimode planar waveguide on the refractive index of the planar waveguide and the wavelength for fiber polished outside and inside its core is investigated experimentally and
Publikováno v:
Proceeding of the Bulgarian Academy of Sciences. 66
A development and an application of the localized function method based on the Galerkin method applying a set of sine functions to approximate the unknown mode fields of the localized modes propagating along the photonic crystal fibres (PCFs) is prop
Publikováno v:
Journal of Modern Optics. 43:1111-1125
We present a detailed experimental investigation of the influence of the refractive index and thickness of a waveguiding planar layer placed between two fibres in a polished type single-mode optical fibre coupler. Experiments were performed for diffe
Publikováno v:
Optical and Quantum Electronics. 25:391-397
One possible way to prepare a compact optical fibre coupler (OFC) with fixed coupling ratio for applications in different devices and systems is demonstrated. Experimental and theoretical results are presented concerning the properties of the glued O
Autor:
E. Alipieva, Andrey T. Andreev, Elka Karakoleva, Blagovesta S. Zafirova, Blagoy Pantchev, E. Vlaikova, Parvaneh Danesh
Publikováno v:
13th International School on Quantum Electronics: Laser Physics and Applications.
A refractometric structure consisting of a side-polished single-mode optical fiber covered with a thin film of hydrogenated amorphous silicon (a-Si:H) has been studied. a-Si:H films have been deposited by plasma-enhanced chemical vapour decomposition
Publikováno v:
Optics & Laser Technology. 24:345-347
One possible way to prepare a compact and temperature stable polished-type optical fibre coupler (OFC) from different kinds of single-mode fibres with different profiles is demonstrated. The proposed technology enables one to prepare an OFC with high
Publikováno v:
SPIE Proceedings.
Experimental results concerning the light coupling between a curved single-mode fiber and a planar waveguide with different thicknesses are presented. Different theoretical approaches (an equivalent planar waveguide geometry and a real waveguide geom
Publikováno v:
SPIE Proceedings.
Experimental and theoretical results concerning the characteristics of polished single-mode fiber-optic couplers with an intermediate waveguiding optical layer between the two fiber half- blocks are presented. Different theoretical approaches are com