Academic literature on the topic 'Photodarkening (PD)'
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Journal articles on the topic "Photodarkening (PD)":
Sun, Tianran, Xinyang Su, Yunhong Zhang, Huaiwei Zhang, Yabo Sun, and Yi Zheng. "Mathematical Model of Photodarkening in Rare-Earth-Doped Fiber." Photonics 9, no. 6 (May 25, 2022): 370. http://dx.doi.org/10.3390/photonics9060370.
Zhang, Z., Y. H. Sun, Z. Yang, T. X. Wei, J. Wu, X. S. Wang, and R. P. Wang. "Photo-induced effects in Ge-Ga-Se films." Chalcogenide Letters 20, no. 7 (2023): 507–14. http://dx.doi.org/10.15251/cl.2023.207.507.
Okazaki, Tomoya, Chiaki Otsuka, Edson H. Sekiya, Kota Kawai, Masato Mizusaki, Yuta Kanbayashi, and Kazuya Saito. "Diode pumped visible Dy3+-doped silica fiber laser: Ge-co-doping effects on lasing efficiency and photodarkening." Applied Physics Express 15, no. 1 (December 8, 2021): 012002. http://dx.doi.org/10.35848/1882-0786/ac3d1d.
Khan, Pritam, and K. V. Adarsh. "Light-Induced Effects in Amorphous Chalcogenide Glasses: Femtoseconds to Seconds." Physics 3, no. 2 (April 26, 2021): 255–74. http://dx.doi.org/10.3390/physics3020019.
Okazaki, Tomoya, Yuma Fujigaki, Edson Haruhico Sekiya, Kota Kawai, Masato Mizusaki, Yuta Kanbayashi, and Kazuya Saito. "Effects of P co-doping on X-ray/450 nm-LD induced photodarkening in Dy3+doped silica glass and fiber laser." Japanese Journal of Applied Physics, May 13, 2022. http://dx.doi.org/10.35848/1347-4065/ac6fa4.
Okazaki, Tomoya, Kota Kawai, Chiaki Otsuka, Edson Haruhico Sekiya, Yuta Kanbayashi, Masato Mizusaki, and Kazuya Saito. "Difference between X-ray-induced and 451 nm-LD-induced photodarkening in DyAlGe-doped silica glasses." Japanese Journal of Applied Physics, March 29, 2023. http://dx.doi.org/10.35848/1347-4065/acc8ab.
Taylor, P. C., and J. Z. Liu. "Defects and the Photodarkening Process in the Chalcogenide Glasses." MRS Proceedings 61 (1985). http://dx.doi.org/10.1557/proc-61-223.
Zhang, Zhilun, Yonghui Luo, Yingbin Xing, Haiqing Li, Jinggang Peng, Nengli Dai, and Jinyan Li. "Experimental comparison of Yb/Al/Ce and Yb/Al/P co-doped fibers on the suppression of transverse mode instability." Frontiers in Physics 11 (January 18, 2023). http://dx.doi.org/10.3389/fphy.2023.1124491.
Dissertations / Theses on the topic "Photodarkening (PD)":
Tiabi, Nadia. "Synthèse de préformes dopées ytterbium par voie poudre pour la réalisation des lasers à fibre de haute puissance." Electronic Thesis or Diss., Limoges, 2023. http://www.theses.fr/2023LIMO0049.
The work presented in this manuscript is part of a PhD thesis carried out by CIFRE in collabora-tion between the laboratory of Xlim and the technological center of optics and lasers "ALPhA-NOV". The main objective of this thesis is to design ytterbium doped preforms that are resistant to the photodarkening (PD) phenomenon for use in high power laser applications.This phenomenon degrades laser performance and leads to reduced output. Two main areas are focused in this thesis. The first is the definition of the core composition and the appropriate synthesis method for the production of preform cores which are resistant to photodarkening (PD). The second is to develop, characterize and evaluate the optical performance of the resulting fiber. The matrix that has been chosen for the study is the alumino-phosphosilicate matrix. To obtain this matrix, a synthesis method called "powder in suspension" was used.From the synthesis of the preform to the drawing of the optical fiber, the different stages of the process have been validated. Excellent performance, with low attenuation of 0.1 dB/m and a very promising optical-to-optical conversion efficiency of 76%, was obtained from the optical tests performed on the fiber. The evaluation of the fiber against photodarkening showed an exceptional resistance. No performance degradation was observed over 100 hours