Transmission characteristics of linearly polarized light in altostratus help explain “UV-sky-pol” paradox

• Autorzy: Zeng Xiangwei , Zhang Yan , Chen Xueye , Sun Xindong

Identyfikatory

DOI

10.37190/oa240201

• Języki publikacji: EN

Abstrakty

EN

The perception of skylight polarization in the ultraviolet (UV) by some species is surprising, because the degree of polarization (DoP) of light from the clear sky is considerably lower in the UV than in the visible spectral range. This is the so-called “ultraviolet paradox of the perception of skylight polarization (UV-sky-pol paradox)”. To explain the “UV-sky-pol” paradox, we analyzed the polarization retention characteristics of parallel polarized light transmits in altostratus at multiple wavelengths. According to the polarization sensitive bands of flies, honeybee, scarab beetles and spider, the study wavelength was set at 350 nm, and the wavelength of control group was set at 400, 450, 500, 550 and 600 nm, respectively. Then, we used the polarized light Monte Carlo method to simulate the forward transmission of 100000 parallel polarization photons in altostratus. Calculation results show that the polarization retention characteristics are excellent at the 350 nm wavelength. Finally, we analyzed the transmission characteristics of parallel polarized light passes through a droplet at 0°–15° forward scattering angle. The analysis results show that there have been significant polarization retention channels in the UV band around 350 nm. This study can help to elucidate the “UV-sky-pol” paradox.

Słowa kluczowe

EN

polarization; atmospheric scattering; altostratus; UV-sky-pol paradox

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2024
• Tom: Vol. 54, nr 2
• Strony: 129--134
• Opis fizyczny: Bibliogr. 17 poz., rys.

Twórcy

autor

Zeng Xiangwei

• College of Transportation, Ludong University, Yantai 264025, China

autor

Zhang Yan

• Shandong Business Institute, Yantai, 264670, Shandong, China

autor

Chen Xueye

• College of Transportation, Ludong University, Yantai 264025, China

autor

Sun Xindong

• College of Transportation, Ludong University, Yantai 264025, China

Bibliografia

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