Strides have been made towards two-dimensional (2-d) photonic control. Opal has been a template for many years for photonic control materials. Precious opal is like an amorphous sea of non-uniform hydrated silicate nano-spheres, embedded with islands of PCZs. Each PCZ diffracts incident light independently of the other PCZs, causing opal’s iconic play-of-color. PCZ boundaries, depths and orientations vary. In this matrix are embedded pseudo-crystalline zones (PCZs) with uniformly sized, highly ordered spheres of variable overall dimensions. A silicate matrix (SiO 2:H 2O) has variably sized spheres with no play-of-color. Natural precious opals are comprised, mostly, of nano-sized silicate spheres and adsorbed H 2O. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development or marketed products associated with this research to declare. provided support in the form of access to research equipment for MRS with no other financial, material contributions or considerations. The specific roles of the author is articulated in the ‘author contributions’ section.Ĭompeting interests: I have read the journal’s policy and have the following competing interests: Complete Consulting Services, LLC. The funder provided support in the form of access to research equipment only, but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: All relevant data are within the paper and its Supporting Information files.įunding: Complete Consulting Services, LLC. Received: JAccepted: SeptemPublished: October 17, 2019Ĭopyright: © 2019 Michelle R. PLoS ONE 14(10):Įditor: Zafar Ghouri, Texas A&M University at Qatar, QATAR The application of materials demonstrating three-dimensional photonic control will have far-reaching implications for many industries, including: photonic wavelength demultiplexing, fiber optics, imaging, microscopy, projections, security, cryptography, computers and communications.Ĭitation: Stem MR (2019) Coherent poly propagation materials with 3-dimensional photonic control over visible light. The analytical methods revealed unusual behaviors of these specimens. Furthermore, several non-destructive analytical instruments were employed, such as: spectrophotometer, polariscope and refractometer. CPP and rotational properties occurred in isolation from exogenous thermal, photonic and electrical influences. Amorphous materials would be expected to exert no symmetry control. The specimens applied axial rotational symmetry over the incident light. Additionally, the specimens demonstrated atypical control over internally reflected and transmitted light. CPP events manifested as each specimen was rocked under the incident light. Apart from the iconic play-of-color of precious opal, CPP specimens demonstrated diffractive photonic demultiplexing and/or upconversion and/or downconversion of incident light with strong photonic coherence such that the shape of the incident light source was propagated over three dimensions over multiple visible frequencies. CPP caused coherent diffraction of incident poly and monochromatic light. CPP enabled three-dimensional photonic control over mono and polychromatic visible light wavelengths. The materials were amorphous silicates as natural precious opals. The purpose of the present research was to identify and examine materials demonstrating a previously undiscovered property of coherent poly propagation (CPP).
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