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Proceedings Paper

Butterflies regulate wing temperatures using radiative cooling
Author(s): Cheng-Chia Tsai; Norman Nan Shi; Crystal Ren; Julianne Pelaez; Gary D. Bernard; Nanfang Yu; Naomi Pierce
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Paper Abstract

Butterfly wings are live organs embedded with multiple sensory neurons and, in some species, with pheromoneproducing cells. The proper function of butterfly wings demands a suitable temperature range, but the wings can overheat quickly in the sun due to their small thermal capacity. We developed an infrared technique to map butterfly wing temperatures and discovered that despite the wings’ diverse visible colors, regions of wings that contain live cells are the coolest, resulting from the thickness of the wings and scale nanostructures. We also demonstrated that butterflies use behavioral traits to prevent overheating of their wings.

Paper Details

Date Published: 6 September 2017
PDF: 6 pages
Proc. SPIE 10367, Light in Nature VI, 103670A (6 September 2017); doi: 10.1117/12.2274297
Show Author Affiliations
Cheng-Chia Tsai, Columbia Univ. (United States)
Norman Nan Shi, Columbia Univ. (United States)
Crystal Ren, Columbia Univ. (United States)
Julianne Pelaez, Univ. of California, Berkeley (United States)
Gary D. Bernard, Univ. of Washington (United States)
Nanfang Yu, Columbia Univ. (United States)
Naomi Pierce, Harvard Univ. (United States)


Published in SPIE Proceedings Vol. 10367:
Light in Nature VI
Joseph A. Shaw; Katherine Creath; Vasudevan Lakshminarayanan, Editor(s)

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