Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "supercontinuum generation" wg kryterium: Temat

  Lista filtrów
Wyrównaj
    Wyświetlanie 1-5 z 5
    Tytuł:
    Influence of dispersion slope on soliton spectral tunneling in photonic crystal fiber
    Autorzy:
    Yang, Yunxia
    Yang, Hua
    Tong, Xiongfeng
    Zhao, Saili
    Chen, Shuyuan
    Powiązania:
    https://bibliotekanauki.pl/articles/2033951.pdf
    Data publikacji:
    2021
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    soliton spectral tunneling
    supercontinuum generation
    dispersion slope
    Opis:
    We report a numerical investigation of how the dispersion slope affects the soliton spectral tunneling (SST) in a photonic crystal fiber with three zero dispersion wavelengths. It is discovered that a larger dispersion slope makes group-velocity mismatch between the initial soliton and the transferred wave thereby suppressing the SST effect, while a proper decrease of the dispersion slope enhances the SST effect to widen a supercontinuum range. Besides, we find a soliton-like leaking dispersion wave, which can sustain information and energy for a short time within a particular spectral range.
    Źródło:
    Optica Applicata; 2021, 51, 3; 415-427
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Setting an Upper-Wavelength Limit to the Supercontinuum Generated in a Photonic Crystal Fibre
    Autorzy:
    Tartara, L.
    Degiorgio, V.
    Cherif, R.
    Zghal, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/308817.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    nonlinear optics
    photonic crystal fibres
    supercontinuum generation
    Opis:
    We report about a novel kind of supercontinuum generation in a photonic crystal fibre in which the spectral broadening occurs only on the blue side of the pump wavelength. As a consequence a limit to the extent of the supercontinuum is set and thus a way for tailoring the broadened spectrum according to a peculiar application is provided. We present a theoretical explanation along with experimental data which are supported by the results of a set of numerical simulations.
    Źródło:
    Journal of Telecommunications and Information Technology; 2009, 1; 34-37
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Supercontinuum fiber laser source for water quality and heavy metals detection
    Autorzy:
    Teh, P. C.
    Ho, Y. H.
    Ong, C. E.
    Lee, S. C.
    Lo, P. K.
    Lai, K. C.
    Yeap, K. H.
    Loh, S. H.
    Teh, P. S.
    Tey, K. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/174135.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    supercontinuum generation
    master oscillator power amplifier
    nonlinear optics
    transmittance measurement
    heavy metal contaminants
    Opis:
    We report a compact, all fiber, 150 ps fiber master oscillator power amplifier operating at 1064 nm that has the ability of producing a maximum average output power of 2.16 W with peak power as high as 10 kW. The output from the master oscillator power amplifier is spliced with a highly nonlinear photonic crystal fiber, generating a supercontinuum with an average power of 250 mW at repetition rate of 1 MHz and spectrum bandwidth spanning from 600 to 1700 nm. The developed supercontinuum system is used to detect the presence of heavy metal contaminants in water by a simple light transmittance method to ensure that the water is free from heavy metal contaminants and safe for consumption. The supercontinuum laser source was shone onto a water sample with a detector placed at another end in order to measure the transmitted supercontinuum light. By measuring the amount of light attenuated at particular wavelength, the concentration of heavy metal contaminants present in the water sample could be determined.
    Źródło:
    Optica Applicata; 2017, 47, 3; 445-456
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Poszerzenie widma impulsu laserowego poprzez zastosowanie przewężki dwustronnej na standardowym włóknie jednomodowym
    Broadening of a pulse laser spectrum obtained by bionical taper on a standard single mode optical fiber
    Autorzy:
    Stasiewicz, K. A.
    Młyńczak, J.
    Jaroszewicz, L. R.
    Kopczyński, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/211082.pdf
    Data publikacji:
    2007
    Wydawca:
    Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
    Tematy:
    poszerzenie impulsu
    efekt supercontinuum
    przewężka światłowodowa
    laser impulsowy
    broadening of a pulse
    supercontinuum generation
    optical fiber taper
    pulse laser
    Opis:
    Praca przedstawia eksperymentalne wyniki poszerzenia impulsu laserowego dużej mocy w standardowych światłowodach telekomunikacyjnych. Poszerzenie uzyskano poprzez wykorzystanie technologii przewężki dwustronnej, której optymalizacja dla danego typu włókna pozwala na sterowanie tak szerokością impulsu jak i składem widmowym wychodzącej wiązki, prowadząc w konsekwencji do generacji światła białego.
    The papers describes the results of a laser pulse broadening in tapered standard single mode fiber. Additional description of a set - up for taper manufacturing, with a principle of its operation, based on elongation procedure of fiber-optics in a low-pressure gas burner, is also presented. A virtue of such a set-up is the possibility of different kinds of taper manufacturing, like punctual, long distance on regular or increasing distance. Tapering process allows us to change a diameter of an optical fiber what means boundary condition changes, beam is propagating in a core (made from silica) surrounded by air. There is a large refractive index step between these two media, allowing for confined pulse (with high power) in a very small area. This effect causes increasing intensity of a propagated beam and amplifies nonlinear effects, like self-phase modulation etc. The article presents the results of pulse broadening obtained in different tapers, made on a single-mode fiber for a wavelength of 1310 nm and a core diameter of about 9 žm. As a light source, the pumped laser operated at a wavelength of 532 nm, which emitted the pulses of 0.6 ns with a repetition rate of about 1 kHz, has been used. All the measured fibers with a taper have a length of about 3 m, where about 1.2 m was for the input (for easier launching) and the output (for easier connection with an optical spectrum analyzer). Experimental results show the pulse broadening in the used taper structures. The best result are obtained for a long distance taper, where the elongated part was about 50 mm (flame brush is travelling to and from along the constant length). For this taper, it can be observed more flat spectrum broadening to the longer wavelength, together with increasing average power of a laser. Theoretically the best broadening we should obtain for a taper length of about 100 mm what will be one of the next subjects of our research. Other tapers also cause broadening effects but their spectra are not so flat. Interesting example is a taper with an increasing length of elongation. We observed additional spectral pick at the wavelength of about 630 nm and 950 nm. These picks are connected with the smaller core diameter obtained in this type of tapering process (the smaller core, the larger broadening). The worst results were for a punctual taper. In this case, a diameter of a taper is very small (about several micrometers) but the losses are very high. The presented results show that biconical tapered single mode optical fiber is a good way to obtain spectral broadening (supercontinuum effect).
    Źródło:
    Biuletyn Wojskowej Akademii Technicznej; 2007, 56, 4; 155-165
    1234-5865
    Pojawia się w:
    Biuletyn Wojskowej Akademii Technicznej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fully negative near-zero ultra-flat dispersion photonic crystal fibers in E+S+C+L band
    Autorzy:
    Mao, Yucheng
    Ma, Yiwu
    Huang, Ying
    Yang, Hua
    Powiązania:
    https://bibliotekanauki.pl/articles/2172855.pdf
    Data publikacji:
    2022
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    photonic crystal fibre
    ultra-flattened dispersion
    confinement loss
    dispersion management method
    supercontinuum
    SC
    generation
    Opis:
    We demonstrate a modified hexagonal three-layer air-hole photonic crystal fiber (PCF) which presents a good ability of dispersion management. The proposed PCF not only achieved an ultra-flattened all-negative dispersion characteristics of 0.15085 ps/(km·nm) fluctuation within the wavelength range of E+S+C+L wavelength band but also has been able to obtain other interesting features such as low confinement loss. Furthermore, the quadrilateral and octagonal structures are investigated to compare the superiority of different structures and analyze why we chose the hexagonal one.
    Źródło:
    Optica Applicata; 2022, 52, 4; 599--611
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

      Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies