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Insect thin films as sun blocks, not solar collectors

机译:昆虫薄膜作为防晒霜,而不是太阳能收集器

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We measured the visible reflectance spectra of whole wing sections from three species of iridescent butterflies and moths, for normal incidence, integrated over all reflected angles. In this manner, we separated the optics of the thin films causing the iridescence from the optics of the rest of the scale. We found that iridescence reduces solar absorption by the wing in all cases, typically by approximately 20% or less, in contrast to claims by Miaoulis and Heilman [Ann. Entomol. Soc. Am. 91, 122 (1998)] that the thin-film structures that produce iridescence act as solar collectors.
机译:对于垂直入射,我们测量了三种虹彩蝴蝶和飞蛾的整个机翼部分的可见反射光谱,并在所有反射角上进行了积分。通过这种方式,我们将引起虹彩的薄膜光学元件与其他标尺的光学元件分开。我们发现,在所有情况下,虹彩都会降低机翼对太阳的吸收,通常减少约20%或更少,这与Miaoulis和Heilman的主张相反。 Entomol。 Soc。上午。 91,122(1998)],产生虹彩的薄膜结构充当太阳能收集器。

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