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zadetkov: 38
1.
  • Multi-wavelength radiometry... Multi-wavelength radiometry of aerosols designed for more accurate night sky brightness predictions
    Kocifaj, Miroslav; Kundracik, František Journal of quantitative spectroscopy & radiative transfer, July 2020, 2020-07-00, Letnik: 250
    Journal Article
    Recenzirano

    •More accurate night sky brightness predictions requires information on aerosols.•A portable turbidity analyzer is developed for in-situ aerosol characterization.•Multi-wavelength radiometry provides ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UILJ, UL, UM, UPCLJ, UPUK, ZAGLJ, ZRSKP
2.
  • Emission spectra of light-p... Emission spectra of light-pollution sources determined from the light-scattering spectrometry of the night sky
    Kocifaj, Miroslav; Kundracik, František; Bilý, Ondrej Monthly Notices of the Royal Astronomical Society, 02/2020, Letnik: 491, Številka: 4
    Journal Article
    Recenzirano
    Odprti dostop

    ABSTRACT The emission spectrum of a light-pollution source is a determining factor for modelling artificial light at night. The spectral composition of skyglow is normally derived from the initial ...
Celotno besedilo
Dostopno za: NUK, UL, UM, UPUK

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3.
  • Vertical distribution of ae... Vertical distribution of aerosol extinction coefficients at night derived from radiometry of scattered laser light
    Kocifaj, Miroslav; Kundracik, František; Bará, Salvador ... Atmospheric environment, 03/2023, Letnik: 297
    Journal Article
    Recenzirano
    Odprti dostop

    Determining the nighttime aerosol extinction coefficient profile in the lower atmosphere through optical measurements is a necessary but challenging task in environmental science due, among other ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UL, UM, UPCLJ, UPUK
4.
  • Charge-controlled optical r... Charge-controlled optical resonances in small particles: Recent developments, challenges and prospects
    Kocifaj, Miroslav; Videen, Gorden; Kundracik, František Journal of quantitative spectroscopy & radiative transfer, January 2020, 2020-01-00, Letnik: 240
    Journal Article
    Recenzirano

    •Excess charge (EC) initiates unexpectedly amplified optical resonances in nanoparticles.•EC can have significant consequences for the optical characterization of particle systems.•Charge-controlled ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UL, UM, UPCLJ, UPUK, ZRSKP
5.
  • Electromagnetic resonances ... Electromagnetic resonances observed in small, charged particles
    Markoš, Peter; Kocifaj, Miroslav; Kundracik, František ... Journal of quantitative spectroscopy & radiative transfer, September 2021, 2021-09-00, Letnik: 272
    Journal Article
    Recenzirano

    •Electromagnetic waves resonate with surface excitations of a charged dielectric particle.•Physics interpretation of resonance mode is an excitation of the odd surface plasmon.•Net electric charge ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UILJ, UL, UM, UPCLJ, UPUK, ZAGLJ, ZRSKP
6.
  • PePSS - A portable sky scan... PePSS - A portable sky scanner for measuring extremely low night-sky brightness
    Kocifaj, Miroslav; Kómar, Ladislav; Kundracik, František Journal of Quantitative Spectroscopy & Radiative Transfer/Journal of quantitative spectroscopy & radiative transfer, 20/May , Letnik: 210
    Journal Article
    Recenzirano
    Odprti dostop

    •A sky scanner for measuring extremely low night-sky brightness has been developed.•The device is well suited for a narrow-band dark sky spectroradiometry.•The scanner benefits from fast readout, ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UL, UM, UPCLJ, UPUK, ZRSKP

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7.
  • Aspect ratio as a function ... Aspect ratio as a function of particle radius: Inversion of extinction and scattering data
    Kocifaj, Miroslav; Kundracik, František Atmospheric environment (1994), 20/May , Letnik: 109
    Journal Article
    Recenzirano

    The sun and sky photometry made concurrently or, alternatively, simultaneous measurements of extinction and scattering data both represent a valuable tool for gathering the information on aerosol ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UL, UM, UPCLJ, UPUK
8.
  • Optical properties of charg... Optical properties of charged nonspherical particles determined using the discrete dipole approximation
    Kundracik, František; Kocifaj, Miroslav; Videen, Gorden ... Journal of Quantitative Spectroscopy & Radiative Transfer/Journal of quantitative spectroscopy & radiative transfer, October 2020, 2020-10-00, Letnik: 254
    Journal Article
    Recenzirano
    Odprti dostop

    •Optical properties of nonspherical charged particles are computed using DDA.•The modeling is at wavelengths where charge-induced resonances typically occur.•Surface charge distribution is simulated ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UILJ, UL, UM, UPCLJ, UPUK, ZAGLJ, ZRSKP

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9.
  • Skyglow changes over Tucson... Skyglow changes over Tucson, Arizona, resulting from a municipal LED street lighting conversion
    Barentine, John C.; Walker, Constance E.; Kocifaj, Miroslav ... Journal of Quantitative Spectroscopy & Radiative Transfer/Journal of quantitative spectroscopy & radiative transfer, 06/2018, Letnik: 212
    Journal Article
    Recenzirano
    Odprti dostop

    •Radiative transfer modeling was used to predict skyglow changes resulting from an LED conversion.•Measurements of skyglow were made in epochs approximately bracketing the conversion effort.•Results ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UL, UM, UPCLJ, UPUK, ZRSKP

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10.
  • Recovering the city street ... Recovering the city street lighting fraction from skyglow measurements in a large-scale municipal dimming experiment
    Barentine, John C.; Kundracik, František; Kocifaj, Miroslav ... Journal of quantitative spectroscopy & radiative transfer, September 2020, 2020-09-00, Letnik: 253
    Journal Article
    Recenzirano

    •An experiment was conducted involving the dimming of nearly 20,000 municipally owned street lights in a U.S. city of half a million inhabitants over ten nights in the spring of 2019.•The signal of ...
Celotno besedilo
Dostopno za: GEOZS, IJS, IMTLJ, KILJ, KISLJ, NLZOH, NUK, OILJ, PNG, SAZU, SBCE, SBJE, UILJ, UL, UM, UPCLJ, UPUK, ZAGLJ, ZRSKP

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zadetkov: 38

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