Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Hongyeal Lee"'
Publikováno v:
2019 8th Asia-Pacific Conference on Antennas and Propagation (APCAP).
In this paper, we design a waveguide input channel filter that can be used in the Ka-band next generation satellite payloads. The designed input channel filter adopts the eighth order and uses circular waveguide cavities with a dual resonance mode in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::927730a5afa7a83b600befb13f456ebf
https://doi.org/10.1109/apcap47827.2019.9472006
https://doi.org/10.1109/apcap47827.2019.9472006
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 23:449-456
Herein, we design a wideband waveguide Butler matrix in order to use in a multi-port amplifiers(MPAs) at Ka-band. To achieve the broadband characteristic, we design a binomial 6-slot 3 dB directional coupler which is used to configure the Butler matr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::599f1fc51c1d62a70f2129a78abc4f66
https://doi.org/10.5515/kjkiees.2012.23.4.449
https://doi.org/10.5515/kjkiees.2012.23.4.449
Publikováno v:
2015 Conference on Microwave Techniques (COMITE).
In this paper, a K-band broadband in-line transition from a substrate integrated waveguide (SIW) to a rectangular waveguide (RWG) is proposed. The transition is realized by using a substrate taper inserted into a height-stepped impedance transformer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::965fa19e174759e9dbb079feaf65210f
https://doi.org/10.1109/comite.2015.7120326
https://doi.org/10.1109/comite.2015.7120326
Publikováno v:
Electronics Letters. 51:1089-1090
A novel substrate integrated waveguide to rectangular waveguide (RWG) transition for effective power transfer is proposed. The substrate taper is inserted into a conventional height-stepped impedance transformer of the RWG region to improve transmiss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6477353ed83b5c2b6daadc34a487b650
https://doi.org/10.1049/el.2015.0939
https://doi.org/10.1049/el.2015.0939
Publikováno v:
2013 Asia-Pacific Microwave Conference Proceedings (APMC).
This paper presents an efficient design method based on genetic algorithm and design results for Ka band reconfigurable beam antenna composed of an array-fed reflector. The effective cost functions for the contoured beam and the boosted beams were us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c5c90bf71f6fa47552b2146d4dc1136
https://doi.org/10.1109/apmc.2013.6695027
https://doi.org/10.1109/apmc.2013.6695027
Publikováno v:
International Conference on Future Information & Communication Engineering (ICFICE); 2016, Vol. 8 Issue 1, p245-248, 4p
Publikováno v:
Electronics Letters. 35:1765
The population feeding rate from the 4I11/2 level to the 1.5 µm fluorescence-emitting 4I13/2 level of Er3+ ions in tellurite glass hosts is enhanced by codoping with Ce3+ under optical pumping at 980 nm.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2973ba0846e3d7f6496af9679f19e19c
https://doi.org/10.1049/el:19991155
https://doi.org/10.1049/el:19991155
Publikováno v:
Electronics Letters. 34:2406
Multiple wavelength lasing in an all-fibre figure-of-eight Brillouin/erbium fibre laser is presented. The simultaneous presence of a stimulated Brillouin scattering (SBS) pump and generated Stokes lines within a Sagnac loop mirror (SLM) initiated hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::831a07e45c2056a972cae9f6a2c420c1
https://doi.org/10.1049/el:19981697
https://doi.org/10.1049/el:19981697
All-optical wavelength conversion using cavity dumped fibre laser with nonlinear optical loop mirror
Publikováno v:
Electronics Letters. 33:791
The authors demonstrate a novel method of an all-optical wavelength conversion scheme by using a cavity dumped fibre laser with a nonlinear optical loop mirror. The measured on-off contrast ratio of the wavelength converted signal is much better than
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::648513d0edda29c9d14b7fda88cea385
https://doi.org/10.1049/el:19970463
https://doi.org/10.1049/el:19970463
Publikováno v:
Electronics Letters. 32:2335
The authors have successfully demonstrated a novel scheme for signal conversion from the non-return-to-zero to return-to-zero formats by using a walk-off balanced nonlinear fibre loop mirror with duty ratio controllability and with no extinction rati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::028da701ea4e413563e5acdf8a869758
https://doi.org/10.1049/el:19961537
https://doi.org/10.1049/el:19961537