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    Wyświetlanie 1-12 z 12
    Tytuł:
    The Application of Scattered Light in the Metrology of Planar Waveguides
    Autorzy:
    Gut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1417959.pdf
    Data publikacji:
    2012-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Ja
    42.25.Lc
    42.25.Fx
    Opis:
    The paper presents a measuring stand which permits to determine the attenuation and modal birefringence of planar waveguide structures. The light is introduced into the waveguide through a prismatic coupler. This permits to determine attenuations of the subsequent modes. Mounting the polarizer in front of the lens of the camera it becomes possible to determine on the same test stand the modal birefringence of orthogonal pair of modes of the same order.
    Źródło:
    Acta Physica Polonica A; 2012, 122, 5; 818-820
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methods of Determining the Beat Length of Planar Waveguides
    Autorzy:
    Gut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399348.pdf
    Data publikacji:
    2013-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Ja
    42.25.Lc
    42.25.Fx
    Opis:
    The paper presents two methods of determining the planar waveguide birefringence and the measuring stands, which are used to determine the beat length of planar waveguide structures. The light is introduced into the waveguide through a prism coupler. The first method applies measurements of scattered light. The second method uses an immersion coupler. The most fundamental property of an immersion coupler is the possibility to change fluently the propagation length while immersing the waveguide.
    Źródło:
    Acta Physica Polonica A; 2013, 124, 3; 425-427
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Sensitivity of Composite Bimodal Waveguide SU-8
    Autorzy:
    Gut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399413.pdf
    Data publikacji:
    2013-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.82.-m
    Opis:
    This paper presents the results of measurements of the refractive index and thickness of the waveguide layer SU-8. The mode sensitivity has been calculated as a function of the thickness in a bimodal structure. The differential interference was analyzed concerning modes of the same types $TE_0-TE_1$ and $TM_0-TM_1$ and modes of the same order ($TE_0-TM_0$, $TE_1-TM_1$). The thickness of the layer was determined when the interferometer is most sensitive to changes of the refractive index. It has been proved that the sensitivity of the structure can be increased by adding a nanometric layer with a high refraction index ($n_{A}$=1.975) on the waveguide layer.
    Źródło:
    Acta Physica Polonica A; 2013, 124, 3; 602-605
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of a Nanometric Layer with a High Refracting Index οn the Sensitivity οf the Difference Interferometer
    Autorzy:
    Gut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1811550.pdf
    Data publikacji:
    2008-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.82.Et
    07.07.Df
    42.79.Pw
    Opis:
    Planar waveguides in which some range of the waveguide was modified by depositing on it a layer of some other dielectric, are called composite optical waveguides. Such a structure is based on a planar waveguide obtained by means of ion exchange $K^+-Na^+$ on glass, and covered by an adequately profiled dielectric layer. This kind of structure is of much interest due to considerable possibilities of taking measurements, which may contribute to a further development of the optoelectronic sensor. Especially required are sensor systems in chemistry, biochemistry, biotechnology, and others. Investigations on the properties of composite layers constitute a continuation of investigations concerning the construction of interferometers, which are very sensitive, cheap and easy to be produced.
    Źródło:
    Acta Physica Polonica A; 2008, 114, 6A; A-121-A-126
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Waveguide Structure Based on the Polymer SU8 on a $SiO_2//Si$ Substrate
    Autorzy:
    Gut, K.
    Drewniak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1493200.pdf
    Data publikacji:
    2011-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.Et
    68.35.Ct
    Opis:
    The paper deals with considerations concerning planar waveguide structures, in which the polymer SU8 is used as the waveguide layer. The results of numerical calculations of the distribution of the field concerning structures of various thicknesses have been presented, and photos taken in the course of investigating the surface by means of a microscope of atomic forces. The results of calculations of sensitivity in relation to the refractive index of the cover layer at various thicknesses of the layer have been presented, too.
    Źródło:
    Acta Physica Polonica A; 2011, 120, 4; 630-634
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparison of the Sensitivity of a Polymer Waveguide in the Classical and Reverse Symmetry System
    Autorzy:
    Gut, K.
    Drewniak, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1506777.pdf
    Data publikacji:
    2010-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.-m
    42.82.Et
    68.35.Ct
    Opis:
    In this paper an analysis of two types of planar waveguides (with the conventional type of the layer and the reverse symmetry waveguide) is presented. In both types of the structure the polymer SU8 was used. In respect of its properties, this polymer is suitable as a waveguide layer. The analysis presented in this paper describes those structures working as sensors. We made a comparison of both types of configuration. We made a detailed analysis of the sensitivity of the covering layer when the thickness of the waveguide layer is changing and when the length of the wave activating the structure is changing, too.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 6; 1133-1135
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurements of the Attenuation by Means οf the Scattered Light of Planar Waveguide Structure, Basing on the Polymer SU8 on a Substrate οf Sodium-Calcium Glass
    Autorzy:
    Gut, K.
    Nabaglo, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795795.pdf
    Data publikacji:
    2009-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.-m
    42.82.Et
    68.35.Ct
    Opis:
    The paper presents the results of investigations concerning the measurement of the attenuation of planar waveguide structures obtained by means of the photopolymerization of the polymer SU8. The applied substrate was sodium-calcium glass. Attenuation is one of the fundamental parameters of optical waveguide, the knowledge of which is of crucial importance in the construction of various kinds of optical sensors. A method of its measurement has been presented, consisting in the recording of the intensity of scattered light making use of CCD camera. The paper deals also with the generation of planar polymer waveguide, taking into account problems connected with the adhesion to glass substrates.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 3; 307-311
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of the Rotational Speed of the Polymer SU8 on the Thickness of the Waveguide Layer
    Autorzy:
    Gut, K.
    Pustelny, T.
    Nabagło, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1506779.pdf
    Data publikacji:
    2010-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.-m
    42.82.Et
    68.35.Ct
    Opis:
    The paper presents results of investigations concerning the measurement of the refractive index and thickness of planar waveguide structures, obtained by the photopolymerization of polymer SU8. Sodium-calcium glass was used as the substrate. As the knowledge of the quoted parameters is from the viewpoint of the structure of various types of optical sensors of crucial importance, the way of their determination has been presented. The paper deals also with the method of constructing planar polymer waveguides, taking into account problems connected with their adhesion to glass substrates.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 6; 1136-1138
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sensitivity of Polarimetric Waveguide Interferometer for Different Wavelengths
    Autorzy:
    Gut, K.
    Zakrzewski, A.
    Pustelny, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/1506788.pdf
    Data publikacji:
    2010-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.-m
    42.82.Et
    68.35.Ct
    Opis:
    This publication presents experimental measurement methodology which allows to determine the characteristics of sensitivity planar differential interferometer. To confirm data reliability additional measurements were done such as simulations in OptiBPM software by Optiwave. Curves received from two methods: experimental and theoretical, were summed up and compared. Conclusions were made on their basis, for example the influence of used wavelengths or refractive index of single mode waveguide cladding on curves of sensitivity differential interferometer using planar waveguide received from the ion exchange method.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 6; 1140-1142
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Planar Optical Waveguides Based on Thin ZnO Layers
    Autorzy:
    Struk, P.
    Pustelny, T.
    Gut, K.
    Gołaszewska, K.
    Kamińska, E.
    Ekielski, M.
    Pasternak, I.
    Łusakowska, E.
    Piotrowska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1807757.pdf
    Data publikacji:
    2009-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.25.Hz
    42.25.-p
    42.70.-a
    42.82.-m
    42.82.Et
    68.35.Ct
    Opis:
    The paper quotes the results of investigations concerning planar optical waveguides with a high value of the refractive index, achieved basing on a broad-band gap semiconductor ZnO, deposited on glass or quartz substrates. The investigations were focused on the properties of the waveguides, determining the modal characteristics, the attenuation coefficient and the structure of the surface.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 3; 414-418
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Influence of Humidity on the Resistance Structures with Graphene Sensor Layer
    Autorzy:
    Pustelny, T.
    Setkiewicz, M.
    Drewniak, S.
    Maciak, E.
    Stolarczyk, A.
    Procek, M.
    Urbańczyk, M.
    Gut, K.
    Opilski, Z.
    Pasternak, I.
    Strupinski, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1418032.pdf
    Data publikacji:
    2012-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    07.07.Df
    42.81.Pa
    82.47.Rs
    Opis:
    In the paper the results of investigations are presented concerning the influence of humidity of air on the resistance of a gas sensor structure with a graphene layer. The affects of nitrogen dioxide and humidity action on graphene were studied. We indicated that humidity might play an important role in determining the gas sensing properties of the graphene layer. In the paper it has been shown that in the case of a nitrogen oxide sensor, the reaction of $NO_2$ with water vapour can generate permanent defects in graphene.
    Źródło:
    Acta Physica Polonica A; 2012, 122, 5; 870-873
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Planar Optical Waveguides for Application in Optoelectronic Gas Sensors
    Autorzy:
    Golaszewska, K.
    Kamińska, E.
    Pustelny, T.
    Struk, P.
    Piotrowski, T.
    Piotrowska, A.
    Ekielski, M.
    Kruszka, R.
    Wzorek, M.
    Borysiewicz, M.
    Pasternak, I.
    Gut, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1811559.pdf
    Data publikacji:
    2008-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.82.Et
    07.07.Df
    42.79.Pw
    81.15.-z
    Opis:
    In the paper, the results of technological investigations on planar optical waveguides based on high band gap oxide semiconductors were presented. Investigations concerned the technologies of depositing very thin layers of: zinc oxide ZnO, titanium dioxide $TiO_2$ and tin dioxide $SnO_2$ on substrates of quartz glass plates. There were investigated both morphological structures of the produced layers and their optical properties. The paper also presents investigations on the technology of input-output light systems in the Bragg grating structures.
    Źródło:
    Acta Physica Polonica A; 2008, 114, 6A; A-223-A-230
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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