Supercontinuum Generation in Naturally Occurring Glass Sponges Spicules.

Ehrlich, H., Maldonado, M., Parker, A. R., Kulchin, Y. N., Schilling, J., Kohler, B., Skrzypczak, U., Simon, P., Reiswig, H. M., Tsurkan, M. V., Brunner, E., Voznesenskiy, S. S., Bezverbny, A. V., Golik, S. S., Nagorny, I. G., Vyalikh, D. V., Makarova, A. A., Molodtsov, S. L., Kummer, K., Mertig, M., Erler, C., Kurek, D. V., Bazhenov, V. V., Natalio, F., Kovalev, A. E., Gorb, Stanislav, Stelling, A. L., Heitmann, J., Born, R., Meyer, D. C. and Tabachnick, K. R. (2016) Supercontinuum Generation in Naturally Occurring Glass Sponges Spicules. Advanced Optical Materials, 4 (10). pp. 1608-1613. DOI 10.1002/adom.201600454.

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The complex process of supercontinuum generation (SG) is known to be exploitable for designing spatially coherent white light sources emitting light simultaneously in the ultraviolet, visible, and infrared ranges. Herein the first natural material able to generate in laboratory conditions a supercontinuum similar to those known from man-made photonic crystal fibers is described. The ability resides in siliceous 20-50 cm long spicules of the glass sponge Sericolophus hawaiicus. By shedding into the spicules optical peak intensities ranging from 1 to 100 TW cm(-2) the generation of a SG is revealed. The SG involves wavelengths between 650 and 900 nm and shows a maximum spectral spread for excitation at a wavelength of 750 nm. It is hypothesized that the SG is favored by spicules being a biocomposite that incorporates together isotopically pure biogenic silica (delta(30) Si = -3.28) and 15.2 +/- 1.3 mu g N -acetyl-glucosamine (chitin) per mg of silica. The internal organization of these spicules is distinguished by a solid silica core with a 1 mu m wide axial channel as well as a highly ordered silica-chitin composite. Such a composition and organization pattern may be of potential interest for the design of low temperature synthesis of future materials for light guidance.

Document Type: Article
Additional Information: Times Cited: 0 Ehrlich, Hermann Maldonado, Manuel Parker, Andrew R. Kulchin, Yuri N. Schilling, Joerg Koehler, Benjamin Skrzypczak, Ulrich Simon, Paul Reiswig, Henry M. Tsurkan, Mikhail V. Brunner, Eike Voznesenskiy, Sergey S. Bezverbny, Alexander V. Golik, Sergey S. Nagorny, Ivan G. Vyalikh, Denis V. Makarova, Anna A. Molodtsov, Serguei L. Kummer, Kurt Mertig, Michael Erler, Christiane Kurek, Denis V. Bazhenov, Vasilii V. Natalio, Filipe Kovalev, Alexander E. Gorb, Stanislav N. Stelling, Allison L. Heitmann, Johannes Born, Rene Meyer, Dirk C. Tabachnick, Konstantin R.
Keywords: biosilica chitin optical properties spicule supercontinuum
Research affiliation: Kiel University
Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1002/adom.201600454
ISSN: 2195-1071
Projects: Future Ocean
Date Deposited: 18 Mar 2017 08:42
Last Modified: 23 Sep 2019 22:50

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