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Enhancing fluorescence emission properties of Dy3+ doped in chalcogenide glass via very small compositional modificationsYONG GYU CHOI.Journal of luminescence. 2009, Vol 129, Num 6, pp 620-623, issn 0022-2313, 4 p.Article

Spatial distribution of rare-earth ions in Se-based chalcogenide glasses with or without GaYONG GYU CHOI.Journal of non-crystalline solids. 2007, Vol 353, Num 18-21, pp 1930-1935, issn 0022-3093, 6 p.Conference Paper

1.4 μm emission properties and local environments of Tm3+ ions in tellurite glass modified with MoO3WOON JIN CHUNG; YONG GYU CHOI.Journal of luminescence. 2010, Vol 130, Num 11, pp 2175-2179, issn 0022-2313, 5 p.Article

Refining the formation of nanocrystals in soft magnetic amorphous alloy via EXAFS spectroscopic analysesYONG GYU CHOI; LEE, Kee-Ahn.Journal of materials science. 2006, Vol 41, Num 17, pp 5746-5750, issn 0022-2461, 5 p.Article

Spectroscopic properties of and energy transfer in PbO-Bi2O3-Ga2O3 glass doped with Er2O3YONG GYU CHOI; KYONG HON KIM; JONG HEO et al.Journal of the American Ceramic Society. 1999, Vol 82, Num 10, pp 2762-2768, issn 0002-7820Article

Local structural environment and intra-4f transition of rare-earth ion in chalcogenide glass: Comparison between Dy-doped Ge-As-S and Ge-Ga-S glassesYONG GYU CHOI; JAY HYOK SONG.Journal of non-crystalline solids. 2009, Vol 355, Num 48-49, pp 2396-2399, issn 0022-3093, 4 p.Article

Ge and Ga K-edge EXAFS analyses on the structure of Ge-Ga-S-CsBr glassesJAY HYOK SONG; YONG GYU CHOI; HEO, Jong et al.Journal of non-crystalline solids. 2006, Vol 352, Num 5, pp 423-428, issn 0022-3093, 6 p.Article

Spectroscopic properties of Tm3+ ions in chalcogenide Ge-As-S glass containing minute amount of Ga and CsBrYONG GYU CHOI; JAY HYOK SONG.Optics communications. 2008, Vol 281, Num 17, pp 4358-4362, issn 0030-4018, 5 p.Article

Compositional effect on structural and spectroscopic properties of P2O5-SnO-MnO ternary glass systemWOON JIN CHUNG; CHOI, Jeon; YONG GYU CHOI et al.Journal of alloys and compounds. 2010, Vol 505, Num 2, pp 661-667, issn 0925-8388, 7 p.Article

Enhancement in lifetimes of the Pr3+:1.6 μm emission in Ge-Ga-As-Se glasses with CsBr additionYONG GYU CHOI; YOUNG BEOM SEO; HEO, Jong et al.Journal of materials science letters. 2003, Vol 22, Num 11, pp 795-798, issn 0261-8028, 4 p.Article

Compositional effects on fluorescence lifetime of Dy3+ ions embedded in chalcogenide Ge-As-S glasses containing very small amount of Ga and CsBrYONG GYU CHOI; WOON JIN CHUNG; DONG WOOK SHIN et al.Journal of non-crystalline solids. 2009, Vol 355, Num 43-44, pp 2190-2194, issn 0022-3093, 5 p.Article

Ho3+: (5S2, 5F4) → 5I5 transition in fluoride glassesYONG GYU CHOI; BONG JE PARK; KYONG HON KIM et al.Chemical physics letters. 2002, Vol 354, Num 1-2, pp 69-74, issn 0009-2614Article

Improvement of 4I11/24I13/2 transition rate and thermal stabilities in Er3+-dopec TeO2-B2O3 (GeO2)-ZnO-K2O glassesDOO HEE CHO; YONG GYU CHOI; KYONG HON KIM et al.ETRI journal. 2001, Vol 23, Num 4, pp 151-157, issn 1225-6463Article

Influence of 4f absorption transitions of Dy3+ on the emission spectra of Tm3+-doped tellurite glassesYONG GYU CHOI; DOO HEE CHO; KYONG HON KIM et al.Journal of non-crystalline solids. 2000, Vol 276, Num 1-3, pp 1-7, issn 0022-3093Article

Crossrelaxations between and multiphonon relaxation of near-infrared excited states of Pr3+ ions in selenide glassesYONG GYU CHOI; BONG JE PARK; KYONG HON KIM et al.Chemical physics letters. 2003, Vol 368, Num 5-6, pp 625-629, issn 0009-2614, 5 p.Article

Pb LIII-edge EXAFS and XANES analyses on the structural environment of lead in PbO-Ga2O3 glassesYONG GYU CHOI; KYONG HON KIM; CHERNOV, V. A et al.Journal of non-crystalline solids. 1999, Vol 246, Num 1-2, pp 128-135, issn 0022-3093Article

Pr3+- and Pr3+/Er3+-doped selenide glasses for potential 1.6 μm optical amplifier materialsYONG GYU CHOI; BONG JE PARK; KYONG HON KIM et al.ETRI journal. 2001, Vol 23, Num 3, pp 97-105, issn 1225-6463Article

Cryogenic EXAFS investigations of the short-range structural environment of gallium in PbO-Ga2O3 glassesJONG HEO; YONG GYU CHOI; CHERNOV, V. A et al.Journal of non-crystalline solids. 1999, Vol 256-57, pp 119-123, issn 0022-3093Conference Paper

Energy transfer between Tb3+ ions in YAlO3 hostSOHN, Kee-Sun; YONG GYU CHOI; YOON YOUNG CHOI et al.Journal of the Electrochemical Society. 2000, Vol 147, Num 9, pp 3552-3558, issn 0013-4651Article

Chemical characteristics of Dy-S bonds in Ge-As-S glassYONG GYU CHOI; JAY HYOK SONG; YONG BEOM SHIN et al.Journal of non-crystalline solids. 2007, Vol 353, Num 16-17, pp 1665-1669, issn 0022-3093, 5 p.Article

Emission properties and local structure of Tm3+ in Ge-Ga-S-Br glassJAY HYOK SONG; YONG GYU CHOI; KADONO, Kohei et al.Journal of non-crystalline solids. 2007, Vol 353, Num 16-17, pp 1676-1680, issn 0022-3093, 5 p.Article

Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiberYONG GYU CHOI; YONG BEOM SHIN; HONG SEOK SEO et al.Chemical physics letters. 2002, Vol 364, Num 1-2, pp 200-205, issn 0009-2614, 6 p.Article

Analysis of Tb3+ luminescence by direct transfer and migration in YPO4SOHN, K.-S; YOON YOUNG CHOI; HEE DONG PARK et al.Journal of the Electrochemical Society. 2000, Vol 147, Num 6, pp 2375-2379, issn 0013-4651Article

Effect of heat treatment on photoluminescence behavior of Zn2SiO4 :Mn phosphorsSOHN, K.-S; BONGHYUN CHO; HEE DONG PARK et al.Journal of the European Ceramic Society. 2000, Vol 20, Num 8, pp 1043-1051, issn 0955-2219Article

Single mode laser oscillation in an nd-doped large core double clad fiber cavity with concatenated adiabatic tapersSEO, Hong-Seok; YONG GYU CHOI; KYUNG HON KIM et al.ETRI journal. 2002, Vol 24, Num 3, pp 255-258, issn 1225-6463Article

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