Zobrazeno 1 - 10
of 24
pro vyhledávání: '"HONG-LIANG KE"'
Publikováno v:
Sensors, Vol 21, Iss 9, p 2982 (2021)
In order to improve the precision and beam quality of a pump laser for a spin exchange relaxation free inertial measurement device, we applied one scheme to achieve the square wave modulation and power stability control of the pump laser and another
Externí odkaz:
https://doaj.org/article/f1b9e366f48a4e4ead30b6a2e4e3dba7
Autor:
Jian Hao, Hong-Liang Ke, Yang Shiyu, Miao Peixian, Ji Wang, Cui Jingzhong, Yang Wei, Tu Jianhui, Ren-Tao Sun, Li-Li Zhu, Bao Yang
Publikováno v:
Optik. 180:517-525
Temperature dependent relaxation time of 87Rb atoms, namely the longitudinal relaxation lifetime T1 and the transverse relaxation lifetime T2 are studied respectively by using the Franzen method and by measuring the optical rotation of a weak, linear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::870be55458fde7a03762b455d3d5a79b
https://doi.org/10.1016/j.ijleo.2018.11.104
https://doi.org/10.1016/j.ijleo.2018.11.104
Publikováno v:
Sensors (Basel, Switzerland)
Sensors, Vol 21, Iss 2982, p 2982 (2021)
Sensors, Vol 21, Iss 2982, p 2982 (2021)
In order to improve the precision and beam quality of a pump laser for a spin exchange relaxation free inertial measurement device, we applied one scheme to achieve the square wave modulation and power stability control of the pump laser and another
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::270bf615d0f48bf2af4608dffe2fccfe
https://pubmed.ncbi.nlm.nih.gov/33922840
https://pubmed.ncbi.nlm.nih.gov/33922840
Autor:
Yang Shiyu, Cui Jingzhong, Tu Jianhui, Chao-Quan Wang, Hong-Liang Ke, Jian Hao, Chen Dayong, Miao Peixian
Publikováno v:
Optik. 164:510-518
In this paper, the changes in chromaticity of LED lamps given by online test during accelerated aging under thermal stress were studied. Firstly, two online accelerated aging tests of a same type of lamps were conducted, with one test at the temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::499b12c0f88b3db9d80e2b8ceb86fc40
https://doi.org/10.1016/j.ijleo.2018.02.120
https://doi.org/10.1016/j.ijleo.2018.02.120
Publikováno v:
Optik. 149:69-80
In order to quickly acquire the lifetime and reliability prediction for LED lighting products, the method of step-down accelerated aging test based on Nelson models is experimentally studied in this paper. Ten Lide lamps and ten Philips lamps are use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf2cb21bec6ad2cab14325e126728507
https://doi.org/10.1016/j.ijleo.2017.09.018
https://doi.org/10.1016/j.ijleo.2017.09.018
Publikováno v:
Frontiers of Information Technology & Electronic Engineering. 18:1197-1204
To acquire a rational minimum cut-off time and the precision of lifetime prediction with respect to cut-off time for the accelerated aging test of LED lamps, fifth-order moving average error estimation is adopted in this paper. Eighteen LED lamps fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f8953ab0a1c7466599fa9d64f8bdcae
https://doi.org/10.1631/fitee.1500483
https://doi.org/10.1631/fitee.1500483
Publikováno v:
Optik. 134:128-134
An optimization method in the design of freeform surface lens based on non-imaging optics to achieve uniform illumination for LED source is proposed. In this design, regular quadratic curve is used as the initial model, and the Scheme programming lan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f578f64dda011f63099496f75cfa5aa
https://doi.org/10.1016/j.ijleo.2017.01.007
https://doi.org/10.1016/j.ijleo.2017.01.007
Publikováno v:
Solid-State Electronics. 121:47-53
The method of non-contact measurement of the junction temperature (Tj) for phosphor-converted white LEDs based on W/B ratio, the ratio of the total radiant energy (W) to the radiant energy of blue emission (B), is verified firstly. It is shown that f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cdde4a7a4f2e5a186969a8e7e685047
https://doi.org/10.1016/j.sse.2016.04.003
https://doi.org/10.1016/j.sse.2016.04.003
Publikováno v:
IEEE Transactions on Electron Devices. 63:1148-1153
In this paper, the step-down aging test for light-emitting diode (LED) lamps is designed according to the stopping rule of the IESTM-28 standard and experimental data. The step-down aging experiment is under the temperature stresses of 90 °C, 80 °C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08450eed661e24bf39f65aaa83726f25
https://doi.org/10.1109/ted.2016.2520961
https://doi.org/10.1109/ted.2016.2520961
Autor:
Chen Jiang, Zhi-Dong Liu, Jian Hao, Yang Wei, Hong-Liang Ke, Miao Peixian, Cui Jingzhong, Bang-Cheng Han, Zhang Jinhai, Tu Jianhui
Publikováno v:
Optik. 223:165510
Optical pumped magnetometer (OPM) aiming at the measurement of Earth’s magnetic field, is firstly optimized by optical simulation, as to maximize the efficient pumping light. Then Mz-magnetometer and Mx-magnetometer are respectively realized in thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d41d8358ae02c7a2cfbcfd850deba2c1
https://doi.org/10.1016/j.ijleo.2020.165510
https://doi.org/10.1016/j.ijleo.2020.165510