Li Qin

Oct 23, 2024 | mdpi.com | Ye Wang |Yongyi Chen |Li Qin |Lijun Wang

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Oct 3, 2024 | today.line.me | Zhao Chenjie |Tang Siqi |Wang Xuetao |Zhang Yu |Luo Fei |Chen Aiping | +19 more

* This year, the country's transport sector is expected to handle a daily average of 277 million passenger trips during the week-long National Day holiday starting on Oct. 1, a 19.4 percent increase compared to the same period in 2019, according to the Ministry of Transport. * According to a report from online travel services provider Ctrip, museums and study tours are among the top five most popular search topics for National Day holiday travel.

Sep 20, 2024 | mdpi.com | Hui Tang |Meng Zhang |Tianyi Zhang |Li Qin

All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.

Sep 4, 2024 | preprints.org | Ye Wang |Yongyi Chen |Li Qin |Lijun Wang

Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 3 September 2024 / Approved: 3 September 2024 / Online: 4 September 2024 (16:20:20 CEST) Wang, Y.; Chen, Y.; Qin, L.; Wang, L. Optimal Design and Analysis of Wide-band Near-infrared Hybrid Dielectric Gratings with High Transmission Efficiency. Preprints 2024, 2024090324. https://doi.org/10.20944/preprints202409.0324.v1 Wang, Y.; Chen, Y.; Qin, L.; Wang, L.

Feb 18, 2023 | mdpi.com | Yongyi Chen |Li Qin

Open AccessEditorialbyYongyi Chen 1,2,* and Li Qin 1 1State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China2Jlight Semiconductor Technology Co., Ltd., Changchun 130033, China*Author to whom correspondence should be addressed.