Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Jeong-Hwan Song"'
Publikováno v:
Crystals, Vol 12, Iss 6, p 827 (2022)
KxNa(1−x)NbO3 particles (KNN, 0 < x < 1) were successfully synthesized through a facile glycothermal method by using KOH, NaOH and Nb2O5 as precursors and 1,4-butanediol as solvent at 200 °C for 12 h. The effects of varying the 1,4-butanediol/deio
Externí odkaz:
https://doaj.org/article/c7f6bdfd2e6840ea9441c8324d0d5f09
Publikováno v:
Optics letters. 48(1)
We report the optical performance of a photonic receiver for laser communication applications. The receiver is composed of 14 × 12 grating coupler arrays. The received optical signal power will be combined electrically via germanium photodiodes. The
Autor:
Jeong-Hwan Song, Sang-Jun Park
Publikováno v:
Korean Journal of Metals and Materials. 59:732-740
Using ethylene glycol (C2H6O2) as the solvent, ZnS particles were synthesized in high yield at a relatively low temperature of 125 oC via the glycothermal method. We report a facile method for preparing spherical self-aggregated ZnS particles from Zn
Publikováno v:
Korean Journal of Materials Research. 31:481-487
Autor:
Xavier Rottenberg, Tangla David Kongnyuy, Peter De Heyn, S. Lardenois, Roelof Jansen, Jeong Hwan Song
Publikováno v:
Journal of Lightwave Technology. 38:3273-3279
We report the design and experiment of advanced bends which are composed of widening width and varying radius. Advanced bends are based on silicon nitride waveguide for the wavelength of 850 nm and silicon waveguide for the wavelength of 1550 nm. The
Autor:
Smirnova, T.P., Yakovkina, L.V., Beloshapkin, S.A., Kaichev, V.V., Alferova, N.I., Jeong-Hwan, Song
Publikováno v:
In Journal of Physics and Chemistry of Solids 2010 71(5):836-840
Publikováno v:
Korean Journal of Materials Research. 29:609-616
Oxide coatings are formed on die-cast AZ91D Mg alloy through an environmentally friendly plasma electrolytic oxidation(PEO) process using an electrolytic solution of NaAlO2, KOH, and KF. The effects of PEO condition with different duty cycles (10 %,
Autor:
Jung-In Moon, Jeong-Hwan Song
Publikováno v:
Korean Journal of Materials Research. 29:519-524
Autor:
Tangla David Kongnyuy, Xavier Rottenberg, S. Lardenois, Roelof Jansen, Jeong Hwan Song, Peter De Heyn
Publikováno v:
Scopus-Elsevier
A compact micro-ring resonator composed using low-loss advanced bends is reported. The effective radius of the ring is 2.5µm. The Q of 6200, finesse of 140, FSR of 35nm and ER of 15dB have been measured.
Publikováno v:
Sensors and Actuators B: Chemical. 264:177-183
A new type solid-electrolyte impedancemetric sensor using a zeolite as a receptor and a Li1.5Al0.5Ti1.5(PO4)3 (LATP) disc as a transducer, respectively, was designed and its sensing properties were investigated for detection of NO and NO2 in the rang