Zobrazeno 1 - 10
of 299
pro vyhledávání: '"Douglas Stone"'
Autor:
C. Eugene. Jones, Fern L. Hoffman, Patricia Nunes-Silva, Robert L. Allen, Axhel Munoz, Marion Erickson, Douglas Stone, Youssef Atallah
Publikováno v:
Journal of Pollination Ecology, Vol 26 (2020)
Flood control, via the construction of the Seven Oaks Dam in the Santa Ana River in southern California, has altered habitat in the downstream alluvial wash community and jeopardized the persistence of pioneer plant species that rely on periodic floo
Externí odkaz:
https://doaj.org/article/07e7db002b7341e68f5c8fa60aca1673
Publikováno v:
APL Photonics, Vol 9, Iss 6, Pp 066114-066114-18 (2024)
Transverse Mode Instability (TMI) that results from dynamic nonlinear thermo-optical scattering is the primary limitation to power scaling in high-power fiber lasers and amplifiers. It has been proposed that TMI can be suppressed by exciting multiple
Externí odkaz:
https://doaj.org/article/8acc79af3f824670b7751cc78c37f263
Autor:
Chun-Wei Chen, Linh V. Nguyen, Kabish Wisal, Shuen Wei, Stephen C. Warren-Smith, Ori Henderson-Sapir, Erik P. Schartner, Peyman Ahmadi, Heike Ebendorff-Heidepriem, A. Douglas Stone, David J. Ottaway, Hui Cao
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract The key challenge for high-power delivery through optical fibers is overcoming nonlinear optical effects. To keep a smooth output beam, most techniques for mitigating optical nonlinearities are restricted to single-mode fibers. Moving out of
Externí odkaz:
https://doaj.org/article/e184fcd1b96743c8993c03c39130f2ec
Publikováno v:
Physical Review X, Vol 14, Iss 3, p 031053 (2024)
Stimulated Brillouin scattering (SBS) is often an unwanted loss mechanism in both active and passive fibers. Highly multimode excitation of fibers has been proposed as a novel route toward efficient SBS suppression. Here, we develop a detailed, quant
Externí odkaz:
https://doaj.org/article/8374a7a69a1c424db8e0dafa29bad5a8
Publikováno v:
PhytoKeys, Vol 118, Iss , Pp 89-103 (2019)
Based on morphological and phylogenetic evidence, a new genus of Melastomataceae (Melastomateae), Nothodissotis Veranso-Libalah & G.Kadereit, gen. nov., is described from Atlantic Central Africa. Nothodissotis is distinguished from other African Mela
Externí odkaz:
https://doaj.org/article/f516cf5433a04f2a8c7bbf6571139d18
Publikováno v:
PhytoKeys, Vol 82, Iss , Pp 113-121 (2017)
A new species from the wet miombo woodlands of Tanzania and Angola, Argyrella richardsiae Veranso-Libalah & G.Kadereit, sp. nov. (Melastomataceae, Melastomateae), is described and illustrated. Although the widespread Argyrella canescens also occurs i
Externí odkaz:
https://doaj.org/article/f5db61d9abae4c9e89d6c3d1f96188a6
Publikováno v:
Advances in Optics and Photonics.
Autor:
Kabish Wisal, Chun-Wei Chen, Zeyu Kuang, Stephen C. Warren-Smith, Owen D. Miller, Hui Cao, A. Douglas Stone
Publikováno v:
Physics and Simulation of Optoelectronic Devices XXXI.
Publikováno v:
Fiber Lasers XX: Technology and Systems.
Publikováno v:
Science Advances
Science Advances, 2023, 9 (4), pp.eadf0323. ⟨10.1126/sciadv.adf0323⟩
Science Advances, 2023, 9 (4), pp.eadf0323. ⟨10.1126/sciadv.adf0323⟩
We demonstrate experimentally that reflectionless scattering modes (RSMs), a generalized version of coherent perfect absorption, can be functionalized to perform reflectionless programmable signal routing. We achieve versatile programmability both in