Search Results - "SEKIYA, E. H"

Refine Results
  1. 1
  2. 2

    Control of Glass-Forming Process During Fiber-Drawing to Reduce the Rayleigh Scattering Loss by Saito, K., Sekiya, E. H., Ikushima, A. J., Ohsono, K., Kurosawa, Y.

    Published in Journal of the American Ceramic Society (01-01-2006)
    “…Limit of the Rayleigh scattering loss in Ge‐doped silica core fiber was estimated from the results of structural relaxation and the Rayleigh scattering…”
    Get full text
    Journal Article
  3. 3

    Difference between X-ray-induced and 451 nm LD-induced photodarkening in DyAlGe-doped silica glasses by Okazaki, T., Kawai, K., Otsuka, C., Sekiya, E. H., Kanbayashi, Y., Mizusaki, M., Saito, K.

    Published in Japanese Journal of Applied Physics (01-04-2023)
    “…The difference between X-ray-induced photodarkening (X-PD) and 451 nm laser diode (LD) induced PD (LD-PD) was investigated in DyAlGe-doped silica glasses. The…”
    Get full text
    Journal Article
  4. 4

    Local structure of Yb3+ ions and X-ray induced defect in Yb-doped silica glass by Okazaki, T., Sekiya, E. H., Saito, K.

    Published in Japanese Journal of Applied Physics (19-11-2018)
    “…The local structure of Yb3+ ions in Yb-doped silica glass was investigated by extended X-ray absorption fine structure, the Rayleigh scattering and optical…”
    Get full text
    Journal Article
  5. 5
  6. 6

    Fabrication of Yb-doped silica glass through the modification of MCVD process by Sekiya, E.H., Barua, P., Saito, K., Ikushima, A.J.

    Published in Journal of non-crystalline solids (01-11-2008)
    “…A method to deliver Yb and Al compounds in vapor phase to the reaction/deposition zone has been devised for modified chemical vapor deposition (MCVD) process…”
    Get full text
    Journal Article Conference Proceeding
  7. 7
  8. 8

    Crystalline and amorphous phases of GeO2 in VAD silica-germania soot preform by SEKIYA, E. H, TORIKAI, D, GUSKEN, E, OGATA, D. Y, CUEVAS, R. F, SUZUKI, C. K

    Published in Journal of non-crystalline solids (01-08-2000)
    “…In Ge-doped optical fiber, produced by vapor-phase axial deposition (VAD) technique, the refractive index profile is controlled by the radial distribution…”
    Get full text
    Conference Proceeding Journal Article
  9. 9

    Small-Angle X-ray Scattering of Heat-Treated Flame-Fused Silica Glass from Amorphous and Crystalline Powders by Shinohara, A. H., Omote, K., Sekiya, E. H., Shinoda, K., Torikai, D., Suzuki, C. K., Zavaglia, C. A. C.

    Published in Journal of applied crystallography (01-12-1997)
    “…High‐quality as‐fused silica glass, heat treated at 1523 K and prepared by the flame‐fusion process using natural crystalline quartz and high‐purity amorphous…”
    Get full text
    Journal Article
  10. 10
  11. 11
  12. 12

    Local structure of Yb^sup 3+^ ions and X-ray induced defect in Yb-doped silica glass by Okazaki, T, Sekiya, E H, Saito, K

    Published in Japanese Journal of Applied Physics (01-01-2019)
    “…The local structure of Yb3+ ions in Yb-doped silica glass was investigated by extended X-ray absorption fine structure, the Rayleigh scattering and optical…”
    Get full text
    Journal Article
  13. 13

    Dependence of H2/O2 ratio and GeO2 content on the enhancement of second-order non-linearity related defects in Ge-doped optical fiber preforms by Cuevas, R.F, Sekiya, E.H, Garcia-Quiroz, A, Da Silva, E.C, Suzuki, C.K

    “…In this research, we studied the influence of the process conditions through the H2/O2 ratio and the GeO2 content, on the formation of germanium oxygen…”
    Get full text
    Journal Article
  14. 14

    Effect of H2/O2 ratio on the GeO2 concentration profile in SiO2:GeO2 glass preforms prepared by vapor-phase axial deposition by CUEVAS, R. F, GUSKEN, E, SEKIYA, E. H, OGATA, D. Y, TORIKAI, D, SUZUKI, C. K

    Published in Journal of non-crystalline solids (2000)
    “…GeO2 radial concentration in SiO2 glass preforms, prepared by vapor-phase axial deposition (VAD) method, was analyzed by XRF measurements. The results were…”
    Get full text
    Conference Proceeding Journal Article
  15. 15

    Effect of Chlorine on Rayleigh Scattering Reduction in Silica Glass by Kakiuchida, Hiroshi, Sekiya, Edson H., Saito, Kazuya, Ikushima, Akira J.

    Published in Japanese Journal of Applied Physics (15-12-2003)
    “…The Rayleigh-scattered light intensities of SiO2 glasses containing Cl with concentrations from 0 to 1.8 mol% were measured. The scattered intensity was found…”
    Get full text
    Journal Article
  16. 16

    Dependence of flame characteristics on the bubble generation and hydroxyl content in silica glass by Sekiya, E. H., Torikai, D., Suzuki, C. K.

    Published in Radiation effects and defects in solids (01-10-1998)
    “…High quality silica glass was prepared by flame fusion Verneuil technique using two types of silica powders: purified natural quartz and synthetic sol-gel…”
    Get full text
    Journal Article
  17. 17
  18. 18
  19. 19

    Refractive index and density in F- and Cl-doped silica glasses by Kakiuchida, Hiroshi, Shimodaira, Noriaki, Sekiya, Edson H., Saito, Kazuya, Ikushima, Akira J.

    Published in Applied physics letters (18-04-2005)
    “…The refractive index and density of fluorine- and chlorine-doped silica glasses were measured as functions of fictive temperature. The halogen concentrations…”
    Get full text
    Journal Article
  20. 20

    Reduction of crosstalk by hole-walled multi-core fibers by Bing Yao, Ohsono, K., Shiina, N., Fukuzato, K., Hongo, A., Sekiya, E. H., Saito, K.

    Published in OFC/NFOEC (01-03-2012)
    “…Hole-walled multi-core fibers (HW-MCFs) are proposed to reduce the crosstalk with arrayed holes walling. We have fabricated a HW-MCF with an effective area…”
    Get full text
    Conference Proceeding