Broadband and polarization reflectors in the lookdown,<i>Selene vomer</i>

Zhao, Shulei; Brady, Parrish; Gao, Meng; Etheredge, Robert Ian; Kattawar, George W.; Cummings, Molly E.

doi:10.1098/rsif.2014.1390

Cited by 27 publications

(22 citation statements)

References 33 publications

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“…A similar phenomenon was found in squid ( S. lineolate ), [ 117 ] Japanese Koi fish ( Cyprinus carpio ), [ 118 ] and lookdown ( Selene vomer ). [ 119 ] Typically, the two types of films in the stacks are guanine crystals sheets and cytoplasm. [ 14 ] The difference in the refractive index between these two substances is so small that it is difficult to believe that they can produce such a wide reflection band over the entire visible range.…”

Section: Bioinspired Reflective Microstructuresmentioning

confidence: 99%

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Bioinspired Microstructured Materials for Optical and Thermal Regulation

et al. 2020

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Precise optical and thermal regulatory systems are found in nature, specifically in the microstructures on organisms’ surfaces. In fact, the interaction between light and matter through these microstructures is of great significance to the evolution and survival of organisms. Furthermore, the optical regulation by these biological microstructures is engineered owing to natural selection. Herein, the role that microstructures play in enhancing optical performance or creating new optical properties in nature is summarized, with a focus on the regulation mechanisms of the solar and infrared spectra emanating from the microstructures and their role in the field of thermal radiation. The causes of the unique optical phenomena are discussed, focusing on prevailing characteristics such as high absorption, high transmission, adjustable reflection, adjustable absorption, and dynamic infrared radiative design. On this basis, the comprehensive control performance of light and heat integrated by this bioinspired microstructure is introduced in detail and a solution strategy for the development of low‐energy, environmentally friendly, intelligent thermal control instruments is discussed. In order to develop such an instrument, a microstructural design foundation is provided.

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Section: Bioinspired Reflective Microstructuresmentioning

confidence: 99%

“…According to Zhao et al, stacks of guanine platelets in the lookdown generated a narrow reflection with color when viewed through a microscope. [ 119 ] The colors varied owing to the random yaw angles of the stacks and were mixed together to form a silvery macroscopical appearance.…”

Section: Bioinspired Reflective Microstructuresmentioning

confidence: 99%

Bioinspired Microstructured Materials for Optical and Thermal Regulation

et al. 2020

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“…Body forms probably represent a compromise between competing demands. Accordingly, large body depths of Selene might act as a deterrent for predators that are gape-limited [55] or might optimize the reflectance of their skin for camouflage [56]. The evolution of the symbiotic suckerfishes (i.e.…”

Section: Discussionmentioning

confidence: 99%

Non-reef environments impact the diversification of extant jacks, remoras and allies (Carangoidei, Percomorpha)

et al. 2016

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Various factors may impact the processes of diversification of a clade. In the marine realm, it has been shown that coral reef environments have promoted diversification in various fish groups. With the exception of requiem sharks, all the groups showing a higher level of diversity in reefs than in non-reef habitats have diets based predominantly on plankton, algae or benthic invertebrates. Here we explore the pattern of diversification of carangoid fishes, a clade that includes numerous piscivorous species (e.g. trevallies, jacks and dolphinfishes), using time-calibrated phylogenies as well as ecological and morphological data from both extant and fossil species. The study of carangoid morphospace suggests that reef environments played a role in their early radiation during the Eocene. However, contrary to the hypothesis of a reef-association-promoting effect, we show that habitat shifts to non-reef environments have increased the rates of morphological diversification (i.e. size and body shape) in extant carangoids. Piscivory did not have a major impact on the tempo of diversification of this group. Through the ecological radiation of carangoid fishes, we demonstrate that non-reef environments may sustain and promote processes of diversification of different marine fish groups, at least those including a large proportion of piscivorous species. IntroductionMany factors may influence diversification processes and it is particularly challenging to identify the major driving forces explaining the diversity of a clade. Intrinsic factors such as body plan complexity [1] or genetic variance [2] can drive the morphological diversification in a lineage. Additionally, various intrinsic lineage characteristics may constitute novelties that shape the process of diversification. For example, trophic specialization [3,4], locomotor strategy [5,6] and anti-predatory defences [7] may influence lineage and phenotypic diversification rates. Extrinsic factors such as the invasion of a competitor-free region may also provide opportunities for a lineage to radiate into a variety of untapped niches [8], whereas competition may constrain divergence in resource use and thus limit diversification [9].In the marine realm, tropical coral reefs have been shown to have promoted diversification in several groups of teleost fishes [10][11][12] as well as requiem sharks [13]. The ecological radiation of many fish families is clearly associated with this highly productive and structurally complex habitat [14,15]. With the exception of requiem sharks, however, all the groups that were shown to possess higher diversity in reef than non-reef environments have diets based mostly or exclusively on plankton, algae or small benthic invertebrates. Little work has so far been devoted to test the hypothesis that reef association may increase rates of diversification in groups that include a large proportion of piscivorous species. Furthermore, relatively few studies of marine ray-finned fishes have tested the hypothesis that & 2016 The Author(s) Publi...

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“…have also been studied to understand their ODR phenomena. Jordan et al 88 and later Zhao et al 89 studied and reported a nonpolarizing optical mechanism found in the broadband guanine-cytoplasm "silver" multilayer reflectors of three species of fish. The silvery reflections from the fish are because of the multilayer stacks of guanine crystals and index cytoplasm.…”

Section: Dielectric Omnidirectional Reflectormentioning

confidence: 99%

Recent advances and progresses in photonic devices for passive radiative cooling application: a review

Goyal

Kumar

2020

J. Nanophoton.

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This review covers the recent progress made in the nanophotonic devices-based daytime passive radiative coolers. The radiative cooling capabilities along with the structural description of various natural species are discussed. The design principle along with key characteristics of the omnidirectional solar reflectors as well as thermal adiators is discussed in detail. Several analogues planner one-dimensional and two-dimensional photonic nanostructures and their current state-of-the-art techniques have been discussed. For each kind of the photonic structure, the novelty, measurement principle, and their respective daytime radiative cooling capability are presented. The reported works and the corresponding results predict the possibility to realize an efficient and commercially viable radiator for passive radiative cooling applications.

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Broadband and polarization reflectors in the lookdown,Selene vomer

Cited by 27 publications

References 33 publications

Bioinspired Microstructured Materials for Optical and Thermal Regulation

Bioinspired Microstructured Materials for Optical and Thermal Regulation

Non-reef environments impact the diversification of extant jacks, remoras and allies (Carangoidei, Percomorpha)

Recent advances and progresses in photonic devices for passive radiative cooling application: a review

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