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Your search keyword '"Takahashi, Masahide"' showing total 2 results
Start Over Author "Takahashi, Masahide" Topic lasers Publisher american institute of physics
2 results on '"Takahashi, Masahide"'

1. Fiber-microsphere laser with a submicrometer sol-gel silica glass layer codoped with erbium, aluminum, and phosphorus.

Author

Takashima, Hideaki, Fujiwara, Hideki, Takeuchi, Shigeki, Sasaki, Keiji, and Takahashi, Masahide

Subjects
MICROSPHERES, LASERS, SILICA, GLASS, ERBIUM, ALUMINUM, RESEARCH
Abstract

Lasing of a taper-microsphere system with a gain layer of submicrometer thickness is demonstrated. For the gain layer, an Er3+-doped P2O5–Al2O3–SiO2 thin film with a thickness of 200 nm was fabricated using the sol-gel method on a silica microsphere. The demonstration of single-mode lasing with the thin gain layer suggests the improved dispersion of Er ions in the P codoped gain layer. [ABSTRACT FROM AUTHOR]

Published
2007
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2. Second-harmonic generation in germanosilicate glass poled with ArF laser irradiation.

Author

Fujiwara, Takumi, Takahashi, Masahide, and Ikushima, Akira J.

Subjects
*SECOND harmonic generation, *GLASS, *LASERS, *REFRACTIVE index
Abstract

Examines second-harmonic generation (SHG) in germanosilicate glass poled with argon fluoride laser irradiation. Measurement of the SHG coefficient; Effect of increasing poling field; Observation of anisotropic refractive index.

Published
1997
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