Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Te-Yuan Chung"'
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 176-185 (2023)
In this work, the photothermal nonlinearity within a layered bismuth telluride (Bi2Te3) is studied in detail. The dynamics of the optical nonlinearity with increasing photothermal effect are investigated via pump-probe spectroscopy. The difference be
Externí odkaz:
https://doaj.org/article/9bcf3ae0ef9d4d17a0cca5ef46780f23
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-13 (2018)
Abstract An achromatic linear polarization rotator based on a tandem-2ϕ-twisted nematic liquid crystal cell (tandem-2ϕ-TNLC cell, where 2ϕ represents the total twisted angle) is theoretically analyzed and experimentally demonstrated. The tandem-2
Externí odkaz:
https://doaj.org/article/0a65d28f99814560b88add068e617f4c
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 2, Pp 1-6 (2018)
A continuous wave Nd-based laser with simultaneous narrow spectral 1052, 1071, and 1083 nm output was achieved by using temperature-controlled volume Bragg gratings to balance the gain competition between each wavelength and stabilize the laser outpu
Externí odkaz:
https://doaj.org/article/66c2fdd16c994438947fb8f0c3a02df9
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 6, Pp 1-7 (2018)
A simulation based on the rate equations was performed to analyze the concentration distribution of molecules in phenanthrenequinone (PQ) doped polymethyl methacrylate (PMMA) polymers (PQ-PMMAs) exposed using a two-beam interference configuration. Th
Externí odkaz:
https://doaj.org/article/5d55becb482647c48ba7aa6460c1f4fb
Autor:
Ching-Cherng Sun, Xuan-Hao Lee, Ivan Moreno, Chen-Hao Lee, Yeh-Wei Yu, Tsung-Hsun Yang, Te-Yuan Chung
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 1, Pp 1-13 (2017)
Street lighting, which is one of the main players in energy waste and light pollution at night, still faces the challenge of efficient lighting of roadways with curved and twisted shapes. To meet this challenge, we propose an effective and efficient
Externí odkaz:
https://doaj.org/article/d2899f0b67c1454aa487a4d5339af794
Autor:
Ching-Cherng Sun, Yu-Yu Chang, Chun-Yan Lu, Hsin-Ying Lin, Zi-Yan Ting, Tsung-Hsun Yang, Te-Yuan Chung, Yei-Wei Yu
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-9 (2017)
In this paper, a new structure of spatial-coded coating phosphor is proposed and effectively benefits the efficiency enhancement in the white light-emitting diodes (LEDs). The spatial-coded phosphor plate contains two subregions. One subregion is of
Externí odkaz:
https://doaj.org/article/c0d0d240b05f432db7bf47bd9548bee5
Publikováno v:
IEEE Photonics Journal, Vol 7, Iss 2, Pp 1-11 (2015)
Both theoretical and simulation approaches were used to obtain the thermal power and temperature distribution in phosphor-converted white LEDs (pc-WLEDs) using a remote-dome phosphor package (RDPP). Different material and geometric parameters were sy
Externí odkaz:
https://doaj.org/article/604f8f761d2c4c669141c80ee4f52a90
Autor:
Tsung-Hsun Yang, Ching-Yi Chen, Yu-Yu Chang, Benoit Glorieux, Yi-Neng Peng, He-Xiang Chen, Te-Yuan Chung, Tsung-Xiang Lee, Ching-Cherng Sun
Publikováno v:
IEEE Photonics Journal, Vol 6, Iss 4, Pp 1-10 (2014)
This paper proposes an effective approach for spectrum shaping in the optical modeling of phosphor-converted white light-emitting diodes (LEDs) in which overlapping of the absorption and emission spectra of the phosphor are considered. The spectrum s
Externí odkaz:
https://doaj.org/article/dcf70d7758904597a617cabfa7c74365
Autor:
Yong-Siang Hsu, Te-Yuan Chung
Publikováno v:
Optics and Lasers in Engineering. 161:107343
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85f2e827ee66903305ac57463f1d57fc
https://doi.org/10.1016/j.optlaseng.2022.107343
https://doi.org/10.1016/j.optlaseng.2022.107343
Publikováno v:
ACS omega. 7(14)
PQ/PMMA photopolymer films fabricated by solvent casting are realized using tetrahydrofuran (THF) as the solvent. The corresponding photochemical reaction model is established with material parameters numerically studied based on 57 samples recorded
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14edcc1be2bed7e3d5397c7d67c5412f
https://pubmed.ncbi.nlm.nih.gov/35449970
https://pubmed.ncbi.nlm.nih.gov/35449970