Natural light

Japanese: natural light(英語表記)naturallight
Natural light

…Light from sunlight and electric lamps is a collection of many light beams with planes of vibration in various directions, and therefore, on average, it vibrates with the same strength in all directions. This type of light is called natural light. However, even with natural light, it is known that when it is reflected or refracted several times, the component of light that vibrates in a certain direction (i.e., linearly polarized light) increases little by little each time it is reflected or refracted. …

*Some terminology explanations that mention "natural light" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…太陽光や電灯からの光は,いろいろな方向の振動面をもった数多くの光が集まったものであり,したがって,平均としてはどの方向にも同じ強さで振動している。このような光を自然光natural lightという。しかし自然光であっても,何回か反射や屈折を受けると,受けるたびに少しずつある特定の方向に振動面をもつ光(すなわち直線偏光)の成分が増してくることが知られている。…

※「natural light」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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