Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Charles G. Askins"'
Autor:
Rajesh Bahadur Thapa, Daniel J. Gibson, Daniel Rhonehouse, L. Brandon Shaw, Charles G. Askins, Jason D. Myers, John R. Peele, Jasbinder S. Sanghera, Shyam S. Bayya, Woohong Kim
Publikováno v:
Laser Technology for Defense and Security XIV.
Single crystal fiber composed of rare earth doped YAG offers the potential for high power scaling of fiber lasers due to it lower intrinsic stimulated Brillouin cross-sections and higher thermal conductivity. The use of rare earth doped YAG fibers al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17101f70ecad00d00e2180278b4b8715
https://doi.org/10.1117/12.2310140
https://doi.org/10.1117/12.2310140
Autor:
Syed N. Qadri, Robel Y. Bekele, Jason D. Myers, L. Brandon Shaw, Dan Rhonehouse, Woohong Kim, Jas S. Sanghera, Rajesh Bahadur Thapa, Collin McClain, Shyam S. Bayya, John R. Peele, Charles G. Askins
Publikováno v:
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF).
We have developed cladding layers for single crystal optical fiber using RF magnetron sputtering. We discuss the deposition and growth techniques, challenges, and prospects for these materials and their use as optical fiber claddings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ae84a38185487a9f4f9a2db8bb49bb8
https://doi.org/10.1364/noma.2018.notu4d.4
https://doi.org/10.1364/noma.2018.notu4d.4
Autor:
Shyam S. Bayya, Rafael R. Gattass, L. Brandon Shaw, Woohong Kim, Dan Rhonehouse, Brad Stadelman, Rajesh Bahadur Thapa, S. Noor Qadri, John R. Peele, Jason D. Myers, Charles G. Askins, Joseph W. Kolis, Jasbinder S. Sanghera, Daniel J. Gibson
Publikováno v:
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF).
We report on fabrication and optical properties of crystalline cladded single crystal Yb:YAG fiber. Net gain has been demonstrated in the cladded Yb:YAG fiber structures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ff21827fd040729f9db4f836b35ac6f
https://doi.org/10.1364/sof.2018.sow2h.3
https://doi.org/10.1364/sof.2018.sow2h.3
Autor:
Shyam S. Bayya, Charles G. Askins, Jason D. Myers, Joseph W. Kolis, Dan Rhonehouse, Rajesh Bahadur Thapa, Jasbinder S. Sanghera, Daniel J. Gibson, L. Brandon Shaw, S. Noor Qadri, Rafael R. Gattass, Woohong Kim, Brad Stadleman, John R. Peele
Publikováno v:
Conference on Lasers and Electro-Optics.
We report on fabrication of crystalline cladded single crystal Yb:YAG fiber. Net gain has been demonstrated in the cladded Yb:YAG fiber structures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc1ce3f01e1862ceac3c30dd53f4e272
https://doi.org/10.1364/cleo_si.2018.sf3i.3
https://doi.org/10.1364/cleo_si.2018.sf3i.3
Autor:
S. R. Bowman, Leslie Brandon Shaw, Dan Rhonehouse, Brad Stadleman, W. Kim, Daniel J. Gibson, John R. Peele, Jas S. Sanghera, Rajesh Bahadur Thapa, Jason D. Myers, Shyam S. Bayya, Charles G. Askins, Joseph W. Kolis, Syed N. Qadri
Publikováno v:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI.
Various rare earth doped single crystal YAG and sesquioxide fibers have been drawn using a state-of-the-art Laser Heated Pedestal Growth system. All crystalline core/clad fibers where thermal and optical properties are superior over glass based fiber
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d18cfba7e40182ad193928752a3e2b8
https://doi.org/10.1117/12.2275332
https://doi.org/10.1117/12.2275332
Autor:
Daniel L. Rhonehouse, Rajesh Bahadur Thapa, W. Kim, L. Brandon Shaw, Jason D. Myers, Shyam S. Bayya, S. R. Bowman, John R. Peele, Daniel J. Gibson, Jasbinder S. Sanghera, Noor Qadri, Charles G. Askins
Publikováno v:
Optical Components and Materials XIV.
Single crystal fibers are currently being developed for high power single frequency lasers in 1-2 µm region. Crystal fibers offer several advantages over traditional glass fibers such as silica fiber due to their higher thermal conductivity and high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b408dfa9c2f97e2eaf0209c4b69bc65d
https://doi.org/10.1117/12.2252726
https://doi.org/10.1117/12.2252726
Publikováno v:
IEEE Sensors Journal. 13:890-899
A fiber optic magnetic field sensor node designed for seabed-mounted surveillance arrays, incorporating three orthogonally mounted magnetic field sensors and a microelectomechancial systems inclinometer, is described. Each sensor comprises a current
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dde4b0d20a7949dd85898bac3517e6bf
https://doi.org/10.1109/jsen.2012.2217126
https://doi.org/10.1109/jsen.2012.2217126
Autor:
Brandon Shaw, W. Kim, Jas S. Sanghera, Dan Rhonehouse, Charles G. Askins, John R. Peele, Rajesh Bahadur Thapa, Shyam S. Bayya, Daniel J. Gibson, J. Meyers
Publikováno v:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications X.
We report on the recent progress in the development of cladded single crystal fibers for high power single frequency lasers. Various rare earth doped single crystal YAG fibers with diameters down to 17 μm with length > 1 m have been successfully dra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd0a1279e8efc5e27dba662beb27de6e
https://doi.org/10.1117/12.2239218
https://doi.org/10.1117/12.2239218
Autor:
Cody Mart, Jake Fontana, John R. Peele, Radha K. Pattnaik, Iyad Dajani, Jun Zhang, Charles G. Askins, Jasbinder S. Sanghera, Michael Hunt, Mark Dubinskii, Colin C. Baker, Woohong Kim, Y. Chen, E. Joseph Friebele, Larry D. Merkle, Barbara A. Marcheschi
Publikováno v:
SPIE Proceedings.
A nanoparticle (NP) doping technique was used for making erbium-doped fibers (EDFs) for high energy lasers. The nanoparticles were doped into the silica soot of preforms, which were drawn into fibers. The Er luminescence lifetimes of the NP-doped cor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13f668652d3b9da930c3e822783108bf
https://doi.org/10.1117/12.2217905
https://doi.org/10.1117/12.2217905
Autor:
Jun Zhang, Colin C. Baker, Mark Dubinskii, Y. Chen, Woohong Kim, Charles G. Askins, Jasbinder S. Sanghera, E. Joseph Friebele, John R. Peele, Barbara A. Marcheschi
Publikováno v:
Lasers Congress 2016 (ASSL, LSC, LAC).
Nanoparticle doping was used for making erbium doped fibers. We report luminescence lifetimes greater than for solution doped fibers, and high optical-to-optical slope efficiencies, with a maximum value greater than 71%.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c2e0fa2cf625e64717a562a78235784
https://doi.org/10.1364/assl.2016.am3a.1
https://doi.org/10.1364/assl.2016.am3a.1