Zobrazeno 1 - 10
of 88
pro vyhledávání: '"L. Lynds"'
Autor:
Francis S. Galasso, D. M. Potrepka, L.G. Carreiro, L. Lynds, D. B. Fenner, C.E. Rossman, J. I. Budnick
Publikováno v:
Applied Superconductivity. 4:119-133
The characteristics of the transition to superconductivity in R Ba 2 Cu 3 O (7−δ) , where R includes: Y, Gd, Eu and Dy, have been investigated, for applications to transition-edge thin-film bolometers. Devices were fabricated from thin, epitaxial
Autor:
John R. Hull, L. Lynds, S.A. Basinger, T.M. Mulcahy, H.E. Eaton, B. R. Weinberger, J. Van Valzah
Publikováno v:
IEEE Transactions on Magnetics. 27:2415-2422
A study of high-temperature superconductor composites for use in magnetic bearings applications is presented. Fabrication and characterization techniques are described. Magnetometry and mechanical force measurements are correlated, with particular em
Publikováno v:
Superconductor Science and Technology. 3:381-388
An experimental study of Meissner effect levitation involving high-temperature superconductors is presented. Two simple apparatuses are described for quantifying the static and dynamic characteristics of levitated systems. The levitation properties o
Publikováno v:
Conference Proceedings LEOS'96 9th Annual Meeting IEEE Lasers and Electro-Optics Society.
Under the program sponsored by NSF- Atmospheric Science division, a heterodyne spectrometer for remote sensing of vertical stratospheric ozone is being developed. In the 10 /spl mu/m region, a microwave-sideband CO/sub 2/ laser spectrometer has been
Publikováno v:
Journal of Applied Physics. 72:2089-2091
Magnetic levitation and stiffness have been measured in several systems composed of a permanent magnet elastically suspended above a stationary melt‐textured sample of Y‐Ba‐Cu‐O. The levitation force and vertical stiffness have been calculate
Publikováno v:
Applied Physics Letters. 59:1132-1134
A study of drag in rotating permanent magnet/high temperature superconductor magnetic bearings is reported. The effects of magnet asymmetry, atmospheric resistance, and eddy currents are discussed. One of the bearings achieved a rotational speed of 2
Publikováno v:
Optics letters. 22(10)
Optical pumping of the Hg(0) (6s (1)S(0) --6p (3)P(1)) transition at 253.7 nm (in air) leads to extremely fast energy transfer and strong laser-induced-fluorescence (LIF) from the Hg(0) (7s(3)S(1) --6p (3)P(2)) green transition at 546.2 nm, which is
Autor:
Steven L. Suib, William S. Willis, L. Lynds, J. Cosgrove, D. B. Fenner, Y. D. Zhang, Edward J. Neth, J. I. Budnick, Q. Li
Publikováno v:
AIP Conference Proceedings.
Targets of SmCo5 and Pr2Fe17 are ablated with a quadrupled Nd:YAG pulsed laser operating at 266 nm with fluence levels of ≊2 J cm−2. The plasmas are condensed on r‐plane sapphire (Al2O3) maintained either at ambient room temperature of ≊400
Autor:
L. Lynds, W. D. Hamblen, Qi Li, K. Karrai, Hua Zhang, D. G. Hamblen, P. Xu, M.E. Johansson, H. D. Drew, D. B. Fenner, F. Dunmore, SH Liu
Publikováno v:
MRS Proceedings. 275
Epitaxial YBCO/YSZ thin films have been successfully grown on ultrathin Si(100) wafers as part of an effort to fabricate infrared detectors which are both fast and highly responsive. Single crystal Si wafers with thicknesses ranging from 400 μm to 3
Autor:
M.E. Johansson, Brian R. Stoner, L. Lynds, Jeffrey T. Glass, O. Li, Hong Zhang, Phillip Morrison, Peirong Xu, J. Cosgrove, D. B. Fenner
Publikováno v:
MRS Proceedings. 268
The successful methods for laser ablation and deposition of epitaxial thin films of metal oxides, especially the high-temperature superconductors (HTSC), have been adapted to pulsed laser deposition (PLD) of the narrow-band compound semiconductor HgC