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Free electron laser polarization control with interfering crossedpolarized fields
Eugenio Ferrari, Giovanni De Ninno, 2019, izvirni znanstveni članek

Najdeno v: ključnih besedah
Ključne besede: free-electron laser, polarization
Objavljeno: 27.10.2020; Ogledov: 144; Prenosov: 0
.pdf Polno besedilo (3,16 MB)

Control of ellipticity in high-order harmonic generation driven by two linearly polarized fields
Benoit Mahieu, Giovanni De Ninno, 2018, izvirni znanstveni članek

Najdeno v: ključnih besedah
Ključne besede: High-harmonic generation, polarization
Objavljeno: 27.10.2020; Ogledov: 121; Prenosov: 0
.pdf Polno besedilo (575,74 KB)

Investigation of Aerosol Properties and Structures in Two Representative Meteorological Situations over the Vipava Valley Using Polarization Raman LiDAR
Luka Drinovec, Griša Močnik, William Eichinger, Samo Stanič, Longlong Wang, Asta Gregorič, 2019, izvirni znanstveni članek

Opis: Vipava valley in Slovenia is a representative hot-spot for complex mixtures of different aerosol types of both anthropogenic and natural origin. Aerosol loading distributions and optical properties were investigated using a two-wavelength polarization Raman LiDAR, which provided extinction coefficient, backscatter coefficient, depolarization ratio, backscatter Ångström exponent and LiDAR ratio profiles. Two different representative meteorological situations were investigated to explore the possibility of identifying aerosol types present in the valley. In the first case, we investigated the effect of strong downslope (Bora) wind on aerosol structures and characteristics. In addition to observing Kelvin–Helmholtz instability above the valley, at the height of the adjacent mountain ridge, we found new evidence for Bora-induced processes which inject soil dust aerosols into the free troposphere up to twice the height of the planetary boundary layer (PBL). In the second case, we investigated aerosol properties and distributions in stable weather conditions. From the observed stratified vertical aerosol structure and specific optical properties of different layers we identified predominant aerosol types in these layers.
Najdeno v: ključnih besedah
Ključne besede: aerosol structures, aerosol characterization, polarization Raman LiDAR, Vipava valley
Objavljeno: 08.03.2019; Ogledov: 1175; Prenosov: 50
.pdf Polno besedilo (3,11 MB)

Polarization Raman Lidar for Atmospheric Monitoring in the Vipava Valley
Longlong Wang, Samo Stanič, William Eichinger, Xiaoquan Song, Marko Zavrtanik, 2020, objavljeni znanstveni prispevek na konferenci

Opis: We report on the design, construction and performance of a polarization Raman lidar, built for atmospheric monitoring in the Vipava valley in SW Slovenia, a regional air pollution hot-spot where aerosols are expected to originate from a number of different sources. Its key features are automatized remote operation capability and indoor deployment, which provide high duty cycle in all weather conditions. System optimization and performance studies include the calibration of the depolarization ratio, merging of near-range (analog) and far-range (photon-counting) data, determination of overlap functions and validation of the retrieved observables with radiosonde data.
Najdeno v: ključnih besedah
Ključne besede: polarization Ramal lidar, Vipava valley, atmospheric monitoring
Objavljeno: 08.07.2020; Ogledov: 400; Prenosov: 0
.pdf Polno besedilo (3,88 MB)

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