Polarization structures in parhelic circles and in 120° parhelia

Günther P. K#nnen; Jaap Tinbergen

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Polarization structures in parhelic circles and in 120° parhelia

机译：伞面圆和120°伞面的偏振结构

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Parhelic circles due to plate-oriented crystals (hence, with main axes vertical) and 120°parhelia change in position when viewed through a rotating polarizer. The parhelic circle moves vertically; its largest shift is found at an azimuthal distance between 90° and 120° from the Sun. The 120° parhelia move both vertically and horizontally. The magnitudes of the shifts are between 0.1° and 0.3°, depending on solar elevation. The mechanism is polarization-sensitive internal reflection by prism faces of the ice crystals. We outline the theory and present three visual and one instrumental observation of the displacements of these halos in polarized light.#1998 Optical Society of America OCIS codes: 010.1290, 010.2940, 260.5430.

机译：当通过旋转偏振器观察时，由于板状晶体（因此，主轴垂直）和120°伞菌的位置引起的伞菌圆的位置发生变化。平行线垂直移动;它的最大位移是在距太阳90°至120°的方位角处。 120°伞菌可垂直和水平移动。偏移量在0.1°和0.3°之间，具体取决于太阳高度。其机理是通过冰晶的棱镜面对偏振敏感的内部反射。我们概述了该理论，并给出了这些光晕在偏振光中的位移的三个视觉观察和一个仪器观察。＃1998美国光学学会OCIS代码：010.1290、010.2940、260.5430。

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《Applied optics》 |1998年第12期|共8页
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Günther P. K#nnen; Jaap Tinbergen;
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中图分类光学;
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1. Polarization structures in parhelic circles and in 120° parhelia [J] . Günther P. K#nnen, Jaap Tinbergen Applied optics . 1998,第9a12期

机译：伞面圆和120°伞面的偏振结构
2. Intensity distribution of the parhelic circle and embedded parhelia at zero solar elevation: theory and experiments [J] . Borchardt Sarah, Selmke Markus Applied optics . 2015,第22期

机译：太阳高度为零时，太阳伞和圆形太阳伞的强度分布：理论和实验
3. Optical evidence for lack of polarization in (1120) oriented GaN/(AlGa)N quantum structures [J] . N. Akopian, G. Bahir, D. Gershoni, Applied Physics Letters . 2005,第20期

机译：在（1120）取向的GaN /（AlGa）N量子结构中缺乏极化的光学证据
4. The new, versatile dsc system pegasus~circleR for enthalpy and specific heat determinations between -120deg C and 1650 deg C [C] . E. Kaisersberger, J. Blumm, J. B. Henderson Proceedings of the Twenty-Sixth Conference of the North American Thermal Analysis Society September 13-15, 1998 Cleveland, Ohio . 1998

机译：新型多功能dsc系统pegasus〜circleR可在-120摄氏度至1650摄氏度之间确定焓和比热
5. DISCUSS THE MOVEMENT OF A HEAVY PARTICLE CONSTRAINED TO MOVE UPON A VERTICAL CIRCLE, INVARIABLY CONNECTED WITH A FIXED VERTICAL AXIS ABOUT WHICH THE CIRCLE REVOLVES WITH CONSTANT ANGULAR VELOCITY. IT IS SUPPOSED THAT THE PROJECTION OF THE AXIS UPON THE PLANE OF THE CIRCLE ALWAYS PASSES THROUGH THE CENTER OFTHE CIRCLE [D] . GINNINGS, ROBERT MEADE -1

机译：讨论被约束用来在垂直圆上移动的重粒子的移动，该固定粒子关于固定圆轴以恒定角速度旋转时始终与固定的垂直轴连接。假定在平面的轴上投射的轴始终通过圆的中心
6. Solution NMR structure of Asl3597 from Nostoc sp. PCC7120 the first structure from protein domain family PF12095 reveals a novel fold [O] . Erik A. Feldmann, Theresa A. Ramelot, Yunhuang Yang, -1

机译：从Nostoc SP解决ASL3597的溶液NMR结构。 PCC7120来自蛋白质结构域系PF12095的第一结构揭示了一种新颖折叠
7. Parhelic-like circle from light scattering in Plateau borders [O] . Tufaile A., Tufaile A.P.B. 2015

机译：高原边界光散射产生的似伞状圆

Polarization structures in parhelic circles and in 120° parhelia

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