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Journal articles on the topic 'PANDA fiber'

Author: Grafiati

Published: 28 June 2021

Last updated: 9 February 2022

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1

Li, Zixiang, Xuefeng Liu, Juan Zhao, Yanhui Liu, Haihong Xu, Changqing Li, Tao Ma, et al. "Prospective Study on the Excretion of Mucous Stools and its Association with Age, Gender, and Feces Output in Captive Giant Pandas." Animals 9, no. 5 (May 22, 2019): 264. http://dx.doi.org/10.3390/ani9050264.

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The giant panda (Ailuropoda melanoleuca) has evolved a large number of mucous glands in the intestinal lining to adapt to the digestion of high-fiber foods. However, in captive pandas, excessive mucus might form a mass and then be eliminated, which is often accompanied by discomfort and decreased activity. This event is called ‘mucous excretion’. The causes of mucus excretions in captive pandas, however, remain unknown. The aims of this study were to document the occurrence of mucus excretion and to investigate its possible associations with pandas’ age, gender, and feces output. Eighteen giant pandas were studied at the Beijing Zoo from April 2003 to June 2017, and a total of 900 occurrences of mucous excretion and 32,856 daily defecation outputs in weight were recorded. The likelihood of mucous excretion occurrence decreased by 11.34% for each 1 kg of fecal output (Z = −4.12, p < 0.0001), while it increased by 5.89% per year of age (Z = 4.02, p < 0.0001). However, individual differences in gender had no significant effect on the mucous occurrence (Z = −0.75, p = 0.4508). A monthly change in mucus occurrence was also found. The mean frequency of mucus occurrence was significantly higher in October. In August, time (month) change showed the biggest negative influence on feces output but the biggest positive influence on mucus excretion (seasonal factors were −2.261 and 0.0126, respectively). Our results documented the occurrence of mucous excretions and confirmed their possible associations with the pandas’ age and fecal output based on a 15-year prospective study. This study not only adds to our knowledge of panda physiology but also suggests the need for further studies examining the causes of the excretion of mucous stools in captive pandas. Reducing the incidence of mucous excretion would promote ex situ conservation and enhance panda welfare.

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2

Nagaoka, S. "Compact latching type PANDA fiber switch." IEEE Photonics Technology Letters 10, no. 2 (February 1998): 233–34. http://dx.doi.org/10.1109/68.655368.

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3

Andreev, A., V. Ermakov, A. Subbotin, D. Shevtsov, M. Tsibinogina, A. Khanov, M. Osipchuk, and I. Mal'tsev. "MATHEMATICAL MODELING OF PANDA TYPE FIBER WAVEGUIDES." Applied Photonics 4, no. 3 (September 29, 2017): 208–11. http://dx.doi.org/10.15593/2411-4367/2017.03.03.

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4

Li Zhizhong, 李智忠, 杨华勇 Yang Huayong, 程玉胜 Cheng Yusheng, and 胡永明 Hu Yongming. "Pressure Sensing Characteristics of Panda Fiber Gratings." Acta Optica Sinica 29, no. 1 (2009): 157–62. http://dx.doi.org/10.3788/aos20092901.0157.

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5

Yang, Yi, Qi Mo, Songnian Fu, Bo Liu, Ming Tang, and Deming Liu. "Panda type elliptical core few-mode fiber." APL Photonics 4, no. 2 (February 2019): 022901. http://dx.doi.org/10.1063/1.5038119.

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6

Kurbatov, A. M., and R. A. Kurbatov. "Fiber polarizer based on W-lightguide Panda." Technical Physics Letters 37, no. 7 (July 2011): 626–29. http://dx.doi.org/10.1134/s106378501107011x.

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7

He, Nie, Zhuoyan Li, Gongshen Zhang, An’an Liu, Ding Zhou, Peng Chen, Chengxiang Liu, and Xu Wu. "Temperature Stability of a Hybrid Polarization-Maintaining Photonic Crystal Fiber Resonator and Its Application in a Resonant Fiber Optic Gyro." Sensors 18, no. 8 (August 1, 2018): 2506. http://dx.doi.org/10.3390/s18082506.

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A fiber ring resonator (FRR) constructed using a Panda polarization-maintaining fiber does not effectively solve the problem of temperature-related polarization fluctuation, which considerably limits the detection accuracy of the resonant fiber optic gyro. The polarization-maintaining photonic crystal fiber (PM-PCF) can improve the thermal stability of the FRR. In this study, a structure that can simultaneously detect the polarization fluctuation of two FRRs is designed. We analyzed and verified the polarization phase shift errors of these two types of fibers, which are caused by the thermally induced birefringence changes. Theoretical simulation and experimental results confirm that a PM-PCF can be used to optimize the FRR, which can effectively suppress the polarization fluctuation.

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8

Kurbatov, A. M., and R. A. Kurbatov. "New optical W-fiber Panda for fiber optic gyroscope sensitive coil." Technical Physics Letters 36, no. 9 (September 2010): 789–91. http://dx.doi.org/10.1134/s106378501009004x.

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9

Tang, Haiyu, Jun Zhu, Hao Yin, Rui Wang, Hui Wang, and Benli Yu. "Optical Fiber Refractometer Based on Etched-Stress Applying Parts PANDA Fiber." IEEE Photonics Technology Letters 26, no. 13 (July 2014): 1356–59. http://dx.doi.org/10.1109/lpt.2014.2324021.

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10

Kvavle, Joshua M., Stephen M. Schultz, and Richard H. Selfridge. "Low loss elliptical core D-fiber to PANDA fiber fusion splicing." Optics Express 16, no. 18 (August 19, 2008): 13552. http://dx.doi.org/10.1364/oe.16.013552.

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11

Song, Weijun, Hongyao Chen, Jianping Wang, Changling Liu, Yijin Chen, Zizheng Li, and Mei Liu. "Panda type elliptical ring core few-mode fiber." Optical Fiber Technology 60 (December 2020): 102361. http://dx.doi.org/10.1016/j.yofte.2020.102361.

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12

Jing Zhang, Xueguang Qiao, Tuan Guo, Yinyan Weng, Ruohui Wang, Yue Ma, Qiangzhou Rong, Manli Hu, and Zhongyao Feng. "Highly Sensitive Temperature Sensor Using PANDA Fiber Sagnac Interferometer." Journal of Lightwave Technology 29, no. 24 (December 2011): 3640–44. http://dx.doi.org/10.1109/jlt.2011.2174195.

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13

Kurbatov, Alexander M., and Roman A. Kurbatov. "Polarization and modal filters based on W-fibers Panda for fiber-optic gyroscopes and high-power fiber lasers." Optical Engineering 52, no. 3 (March 13, 2013): 035006. http://dx.doi.org/10.1117/1.oe.52.3.035006.

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14

Shimizu, Makoto, and Masaharu Horiguchi. "Linearly Polarized Operation of PANDA-Type Nd-Doped Fiber Lasers." Japanese Journal of Applied Physics 28, Part 2, No. 4 (April 20, 1989): L664—L666. http://dx.doi.org/10.1143/jjap.28.l664.

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15

Wang, Xin, Jing Wang, Shan-Shan Wang, and Yi-Peng Liao. "Fiber-Optic Salinity Sensing With a Panda-Microfiber-Based Multimode Interferometer." Journal of Lightwave Technology 35, no. 23 (December 1, 2017): 5086–91. http://dx.doi.org/10.1109/jlt.2017.2764743.

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16

Yan, Jingtao, Lijun Miao, Tengchao Huang, Shuangliang Che, and Xiaowu Shu. "Development of method for polarization alignment of PANDA polarization maintaining fiber." Optical Fiber Technology 53 (December 2019): 101999. http://dx.doi.org/10.1016/j.yofte.2019.101999.

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17

Yan, Haozhe, Shangyuan Li, Zhengyang Xie, Xiaoping Zheng, Hanyi Zhang, and Bingkun Zhou. "Design of PANDA ring-core fiber with 10 polarization-maintaining modes." Photonics Research 5, no. 1 (December 12, 2016): 1. http://dx.doi.org/10.1364/prj.5.000001.

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18

LIU Zhen-hua, 刘振华, 冯迪 FENG Di, 黄怀波 HUANG Huai-bo, 杨德伟 YANG De-wei, and 宋凝芳 SONG Ning-fang. "Automatic Aligning Method of Panda Polarization Maintaining Fiber with High Accuracy." ACTA PHOTONICA SINICA 44, no. 2 (2015): 206004. http://dx.doi.org/10.3788/gzxb20154402.0206004.

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19

Li, Haoyu, Xuyou Li, Jie Wang, Martin Rochette, and Hanrui Yang. "High extinction ratio elliptical core Panda-type polarization-maintaining fiber coil." Optics Letters 46, no. 17 (August 26, 2021): 4276. http://dx.doi.org/10.1364/ol.437629.

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20

Witkowicz, Robert, Wioletta Biel, Joanna Chłopicka, Agnieszka Galanty, Katarzyna Gleń-Karolczyk, Edyta Skrzypek, and Mateusz Krupa. "Biostimulants and Microorganisms Boost the Nutritional Composition of Buckwheat (Fagopyrum esculentum Moench) Sprouts." Agronomy 9, no. 8 (August 20, 2019): 469. http://dx.doi.org/10.3390/agronomy9080469.

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This study investigated the influence of biological control agents and plant growth promoters on the chemical composition of the cultivars Panda and Kora buckwheat sprouts. Before sowing, seeds were soaked in solutions containing Bacillus subtilis bacteria, Pythium oligandrum oospores, Ecklonia maxima algae extract, and/or nitrophenols. The sprouts of the Panda displayed higher levels of protein, fat, and dietary fiber fractions than the Kora. Measurable effects of biological control agents (BCAs) and plant growth promoters (PGPs) on the chemical composition of sprouts were also confirmed. Soaking the seeds in a solution containing P. oligandrum oospores resulted in a decrease in the level of crude ash in sprouts, while the addition of nitrophenols increased the level of both crude ash and protein. We also found statistically significant effects of interactions between the cultivar and BCA and/or PGP for each of the examined components.

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21

Kebede, Addis T., Suresh K. Raina, and Jacques M. Kabaru. "Structure, Composition, and Properties of Silk from the African Wild Silkmoth, Anaphe panda (Boisduval) (Lepidoptera: Thaumetopoeidae)." International Journal of Insect Science 6 (January 2014): IJIS.S13338. http://dx.doi.org/10.4137/ijis.s13338.

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Silk cocoon nests, as well as the fiber structure, compositions, and properties of the African wild silkmoth, Anaphe panda, collected from Kakamega tropical rainforest (western Kenya) were studied using scanning electron microscopy, high-pressureliquid chromatography, tensile tests, and thermogravmetric analysis, and they were compared with the industrial standard, Bombyx mori. Cocoon nests are complex structures made up of inner, middle, and outer layers. The inner hard parchment was found to protect a mass of (20–200) individual soft flossy cocoons that enclose the pupae. The outer surface of the cocoon nests was covered with a mass of hair-like bristles. Fibers contained crescent-shaped and globular cross-sections with nods at regular intervals. Alanine (34%) and glycine (28%) were the dominant fibroin amino acids observed. Total weight loss after degumming the cocoon nest was 25.6%. Degummed fibers showed higher moisture regain of 9% when compared with cocoon nests (8%). The fibers had 0.4 GPa breaking stress and 15.4% breaking strain. Total weight loss values after thermogravimetric analysis were 86% and 90% for degummed fibers and cocoon shells, respectively.

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22

Ding, ZhiChao, ZhongWei Tan, YunShu Gao, Yue Wu, and Bin Yin. "Strain and temperature discrimination using a fiber Bragg grating concatenated with PANDA polarization-maintaining fiber in a fiber loop mirror." Optik 221 (November 2020): 165352. http://dx.doi.org/10.1016/j.ijleo.2020.165352.

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23

Yan Feng-Ping, Wei Yan, Fu Yong-Jun, Wei Huai, Gong Tao-Rong, Wang Lin, Li Yi-Fan, et al. "Study on the performance of stress area mismatched Panda polarization-maintaining fiber." Acta Physica Sinica 58, no. 1 (2009): 321. http://dx.doi.org/10.7498/aps.58.321.

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24

Zhu, Yong-Qin, Yong-Sen Yu, Yang Zhao, Qi Guo, Xin-Yu Ming, Cheng-Xiu Lei, and Hong-Bo Sun. "Highly Sensitive Directional Torsion Sensor Based on a Helical Panda Fiber Taper." IEEE Photonics Technology Letters 31, no. 13 (July 1, 2019): 1009–12. http://dx.doi.org/10.1109/lpt.2019.2915918.

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25

Yang, Yi, Jitao Gao, Songnian Fu, Xinben Zhang, Ming Tang, Weijun Tong, and Deming Liu. "PANDA Type Four-Core Fiber With the Efficient Use of Stress Rods." IEEE Photonics Journal 11, no. 5 (October 2019): 1–9. http://dx.doi.org/10.1109/jphot.2019.2936585.

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26

Liu, Peng, Fengping Yan, Chuncan Wang, Fan Zhang, and Chu Liu. "A switchable dual-wavelength all-fiber laser based on Panda-type photosensitive polarization-maintaining erbium-doped fiber." Microwave and Optical Technology Letters 52, no. 2 (December 8, 2009): 386–89. http://dx.doi.org/10.1002/mop.24928.

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27

Fu, Songnian, Yanlin Wang, Jingxian Cui, Qi Mo, Xi Chen, Bin Chen, Ming Tang, and Deming Liu. "Panda Type Few-Mode Fiber Capable of Both Mode Profile and Polarization Maintenance." Journal of Lightwave Technology 36, no. 24 (December 15, 2018): 5780–85. http://dx.doi.org/10.1109/jlt.2018.2877626.

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28

Chen, Shi, and Jian Wang. "Design of PANDA-type elliptical-core multimode fiber supporting 24 fully lifted eigenmodes." Optics Letters 43, no. 15 (July 30, 2018): 3718. http://dx.doi.org/10.1364/ol.43.003718.

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29

Ranjan, Rajeev, Flavio Esposito, Stefania Campopiano, and Agostino Iadicicco. "Sensing Characteristics of Arc-Induced Long Period Gratings in Polarization-Maintaining Panda Fiber." IEEE Sensors Journal 17, no. 21 (November 1, 2017): 6953–59. http://dx.doi.org/10.1109/jsen.2017.2755370.

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30

He, Xuelan, Chao Ma, Xianbin Wang, Zhenqiang Wang, Fengchun Jiang, and Libo Yuan. "Metallic structure functional sensor based on embedded PANDA fiber by ultrasonic additive manufacturing." Applied Optics 59, no. 16 (May 27, 2020): 4880. http://dx.doi.org/10.1364/ao.392317.

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31

Yingwu Zhou, Kan Gao, Rui Huang, Ronghui Qu, and Zujie Fang. "Temperature and stress tuning characteristics of long-period gratings imprinted in Panda fiber." IEEE Photonics Technology Letters 15, no. 12 (December 2003): 1728–30. http://dx.doi.org/10.1109/lpt.2003.819736.

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32

Wu, Zhifang, Peili Wu, Maryna Kudinova, Hailiang Zhang, Perry Ping Shum, Xuguang Shao, Georges Humbert, Jean-Louis Auguste, Xuan Quyen Dinh, and Jixiong Pu. "Bragg Grating Assisted Sagnac Interferometer in SiO2-Al2O3-La2O3 Polarization-Maintaining Fiber for Strain–Temperature Discrimination." Sensors 20, no. 17 (August 24, 2020): 4772. http://dx.doi.org/10.3390/s20174772.

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Polarization-maintaining fibers (PMFs) have always received great attention in fiber optic communication systems and components which are sensitive to polarization. Moreover, they are widely applied for high-accuracy detection and sensing devices, such as fiber gyroscope, electric/magnetic sensors, multi-parameter sensors, and so on. Here, we demonstrated the combination of a fiber Bragg grating (FBG) and Sagnac interference in the same section of a new type of PANDA-structure PMF for the simultaneous measurement of axial strain and temperature. This specialty PMF features two stress-applied parts made of lanthanum-aluminum co-doped silicate (SiO2-Al2O3-La2O3, SAL) glass, which has a higher thermal expansion coefficient than borosilicate glass used commonly in commercial PMFs. Furthermore, the FBG inscribed in this SAL PMF not only aids the device in discriminating strain and temperature, but also calibrates the phase birefringence of the SAL PMF more precisely thanks to the much narrower bandwidth of grating peaks. By analyzing the variation of wavelength interval between two FBG peaks, the underlying mechanism of the phase birefringence responding to temperature and strain is revealed. It explains exactly the sensing behavior of the SAL PMF based Sagnac interference dip. A numerical simulation on the SAL PMF’s internal stress and consequent modal effective refractive indices was performed to double confirm the calibration of fiber’s phase birefringence.

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33

Yang Huayong, 杨华勇, 姜暖 Jiang Nuan, 张学亮 Zhang Xueliang, and 胡永明 Hu Yongming. "Study on Fabrication and Optical Add-Drop Multiplexing Experiments with Panda Fiber Grating Coupler." Chinese Journal of Lasers 37, no. 6 (2010): 1430–33. http://dx.doi.org/10.3788/cjl20103706.1430.

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34

ZHOU Cheng, 周城. "Research of A Near-panda Micro-structured Optical Fiber Sensor Based on Silver Nanowires." Chinese Journal of Luminescence 33, no. 10 (2012): 1120–26. http://dx.doi.org/10.3788/fgxb20123310.1120.

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35

Xu, Ben, C. L. Zhao, Fan Yang, Huaping Gong, D. N. Wang, JiXiang Dai, and Minghong Yang. "Sagnac interferometer hydrogen sensor based on panda fiber with Pt-loaded WO_3/SiO_2 coating." Optics Letters 41, no. 7 (March 30, 2016): 1594. http://dx.doi.org/10.1364/ol.41.001594.

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36

Mousavi, Seyedeh Laleh, and Mohammad Sabaeian. "Thermal Stress-Induced Depolarization Loss in Conventional and Panda-Shaped Photonic Crystal Fiber Lasers." Brazilian Journal of Physics 46, no. 5 (July 25, 2016): 481–88. http://dx.doi.org/10.1007/s13538-016-0435-2.

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37

Tajima, K., and Y. Sasaki. "Transmission loss of a 125- mu m diameter PANDA fiber with circular stress-applying parts." Journal of Lightwave Technology 7, no. 4 (April 1989): 674–79. http://dx.doi.org/10.1109/50.19094.

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38

Wahba, H. H. "Reconstruction of 3D refractive index profiles of PM PANDA optical fiber using digital holographic method." Optical Fiber Technology 20, no. 5 (October 2014): 520–26. http://dx.doi.org/10.1016/j.yofte.2014.06.002.

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39

Kitamura, Fujikazu, and Yutaka Sasaki. "Optimum design for polarization crosstalk reduction in a polarization maintaining optical fiber of PANDA profile." Electronics and Communications in Japan (Part II: Electronics) 78, no. 10 (October 1995): 19–27. http://dx.doi.org/10.1002/ecjb.4420781003.

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40

Qi, Haiqun, Hongchen Zhang, Buhe Bateer, Tianhui Ma, Jianjiao Zhang, and Huijie Xue. "Annealing model and mechanism analysis of “Panda”-type polarization-maintaining optical fiber after electron irradiation." Optik 183 (April 2019): 1160–65. http://dx.doi.org/10.1016/j.ijleo.2019.02.103.

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41

Zhang, Yao, Jitao Gao, Lei Zhu, Songnian Fu, Yuncai Wang, and Yuwen Qin. "Panda-type few-mode fiber-enabled microwave photonic filter with a reconfigurable finite impulse response." Optics Letters 46, no. 8 (April 6, 2021): 1852. http://dx.doi.org/10.1364/ol.422718.

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42

Lesnikova, Yu I., O. Yu Smetannikov, A. N. Trufanov, and N. A. Trufanov. "Contact stresses modeling at the Panda-type fiber single-layer winding and evaluation of their impact on the fiber optic properties." IOP Conference Series: Materials Science and Engineering 177 (February 2017): 012116. http://dx.doi.org/10.1088/1757-899x/177/1/012116.

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43

Lesnikova, Iu, O. Smetannikov, A. Trufanov, and N. Trufanov. "INFLUENCE OF CONTACT STRESSES UNDER SINGLE-LAYER WINDING ON THE OPTIC PROPERTIES OF PANDA-TYPE FIBER." Applied photonics, no. 4 (December 28, 2016): 427–38. http://dx.doi.org/10.15593/2411-4367/2016.04.05.

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44

Lesnikova, Y. I., and A. N. Trufanov. "The effect of contact influence on the opticomechanical properties of Panda-type fiber under thermocycling conditions." Journal of Physics: Conference Series 1129 (November 2018): 012023. http://dx.doi.org/10.1088/1742-6596/1129/1/012023.

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45

Wang, Xue-Zhou, and Qi Wang. "A High-Birefringence Microfiber Sagnac-Interferometer Biosensor Based on the Vernier Effect." Sensors 18, no. 12 (November 23, 2018): 4114. http://dx.doi.org/10.3390/s18124114.

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We propose a high-sensitive Sagnac-interferometer biosensor based on theVernier effect (VE) with a high-birefringence microfiber. The sensitivity enhancement is achieved by utilizing two cascaded Sagnac interferometers. One of the two interference loops consists of a panda polarization-maintaining fiber as a filter, whilst the other is comprised of high-birefringent microfiber coated Graphene oxide (GO) as a sensing channel. We theoretically analyzed the sensitivity of the sensor and verified it with experiments. The results of the simulation show that the refractive index sensitivity is more than five times that of the fiber sensor based on a single Sagnac loop. The sensitivity of the refractive index in the experiments can reach 2429 nm/refractive index unit (RIU), which is basically in accordance with the simulation. We also use electrostatic adsorption to coat GO on the surface of the sensing channel. GO is employed to adsorb bovine serum albumin (BSA) molecules to achieve the desired detection results, which has good biocompatibility and large specific surface area. The sensitivity to detect BSA can reach 9.097 nm/(mg×mL−1).

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46

Zhang, Xiaoqiang, Ruishan Chen, Anting Wang, Yong Xu, Yong Jiang, Hai Ming, and Weisheng Zhao. "Monitoring the failure forms of a composite laminate system by using panda polarization maintaining fiber Bragg gratings." Optics Express 27, no. 13 (June 11, 2019): 17571. http://dx.doi.org/10.1364/oe.27.017571.

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47

Tomashuk, A. L., P. F. Kashaykin, I. S. Azanova, A. V. Filippov, Yu O. Sharonova, O. L. Vokhmyanina, E. A. Bychkova, and S. V. Galanova. "Light Absorption Induced in Undoped-Silica-Core Panda-Type Birefringent Optical Fiber by Pulsed Action of Ionizing Radiation." Bulletin of the Lebedev Physics Institute 45, no. 12 (December 2018): 385–88. http://dx.doi.org/10.3103/s1068335618120047.

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48

Cao, Yuan, Yongli Zhao, Xiaosong Yu, Jiawei Han, and Jie Zhang. "Design and characterization of 16-mode PANDA polarization-maintaining few-mode ring-core fiber for spatial division multiplexing." Optical Engineering 56, no. 11 (November 2, 2017): 1. http://dx.doi.org/10.1117/1.oe.56.11.116102.

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49

Kim, Yong Hyun, and Kwang Yong Song. "Distributed Analysis on the Spatial Mode Structure in a PANDA-Type Few-Mode Fiber By Brillouin Dynamic Gratings." Journal of Lightwave Technology 39, no. 2 (January 15, 2021): 612–19. http://dx.doi.org/10.1109/jlt.2020.3029856.

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50

Thahir, Muhammad Agam, Irwandy Syofyan, and Isnaniah Isnaniah. "PENGUJIAN SINKING SPEED SERAT ALAMI." JURNAL PERIKANAN TROPIS 4, no. 1 (April 1, 2017): 93. http://dx.doi.org/10.35308/jpt.v4i1.59.

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The aim of this study to determine the elongation of three types of natural fibers. The method used is an experiment, by directly testing samples of the rope in the aquarium. Sinking speed value of banana stem fiber is 4.8 cm / sec, pandan leaves 3.9 cm / sec, bundung grass fibers 2.6 cm / sec. The third of these natural fibers, banana stem fibers that have the potential as for natural fibre rope material fishing gear.

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