Thematische Bibliographien / PANDA fiber

Inhaltsverzeichnis

  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher
  4. Buchteile
  5. Konferenzberichte
  6. Berichte der Organisationen

Auswahl der wissenschaftlichen Literatur zum Thema „PANDA fiber“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 9. Februar 2022

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Zeitschriftenartikel zum Thema "PANDA fiber"

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, Nr. 5 (22.05.2019): 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, Nr. 2 (Februar 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 und I. Mal'tsev. „MATHEMATICAL MODELING OF PANDA TYPE FIBER WAVEGUIDES“. Applied Photonics 4, Nr. 3 (29.09.2017): 208–11. http://dx.doi.org/10.15593/2411-4367/2017.03.03.

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Li Zhizhong, 李智忠, 杨华勇 Yang Huayong, 程玉胜 Cheng Yusheng und 胡永明 Hu Yongming. „Pressure Sensing Characteristics of Panda Fiber Gratings“. Acta Optica Sinica 29, Nr. 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 und Deming Liu. „Panda type elliptical core few-mode fiber“. APL Photonics 4, Nr. 2 (Februar 2019): 022901. http://dx.doi.org/10.1063/1.5038119.

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6

Kurbatov, A. M., und R. A. Kurbatov. „Fiber polarizer based on W-lightguide Panda“. Technical Physics Letters 37, Nr. 7 (Juli 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 und Xu Wu. „Temperature Stability of a Hybrid Polarization-Maintaining Photonic Crystal Fiber Resonator and Its Application in a Resonant Fiber Optic Gyro“. Sensors 18, Nr. 8 (01.08.2018): 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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Kurbatov, A. M., und R. A. Kurbatov. „New optical W-fiber Panda for fiber optic gyroscope sensitive coil“. Technical Physics Letters 36, Nr. 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 und Benli Yu. „Optical Fiber Refractometer Based on Etched-Stress Applying Parts PANDA Fiber“. IEEE Photonics Technology Letters 26, Nr. 13 (Juli 2014): 1356–59. http://dx.doi.org/10.1109/lpt.2014.2324021.

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10

Kvavle, Joshua M., Stephen M. Schultz und Richard H. Selfridge. „Low loss elliptical core D-fiber to PANDA fiber fusion splicing“. Optics Express 16, Nr. 18 (19.08.2008): 13552. http://dx.doi.org/10.1364/oe.16.013552.

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Dissertationen zum Thema "PANDA fiber"

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Panascí, Marco. „Vliv dlouhých optovláknových tras na polarizační stav světla a jejich využití pro napájení polarizačních senzorů“. Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442367.

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This diploma thesis deals with the influence of long fiber optic paths on the polarization state of light and their use for powering polarization sensors. The aim of the diploma thesis was to design the arrangement of optical fiber components so that the polarization properties of light at the end of the path are further usable for sensory purposes. Four partial measurements with a long path (in a laboratory setting, laying in the ground, on a curtain, under the influence of external influence) and one measurement without a path under the influence of external influence were designed. The overall measurement results demonstrate that for the functional power supply of long-distance sensor systems, an existing single-mode fiber can be used (laid by laying in the ground), into which a light source for a given sensor system would be multiplexed. In the discussion, all types of measurements are analyzed and compared with each other. Finally, the overall result is summarized and applications are described in which such a sensor system could be used.
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SYU, JHENG-AN, und 許正安. „Design and Implementation of a Grinding Machine for Fabricating Panda Optical-Fiber Endfaces“. Thesis, 2014. http://ndltd.ncl.edu.tw/handle/54086822456250406850.

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碩士
正修科技大學
機電工程研究所
102
The panda type polarization-maintaining optical fiber is mainly used in the long distance communication optical cables and high precision optical gyro systems. In order to increase the coupling efficiency with the high power 980nm laser diodes, the micro-lens at the fiber tip has to be a hyperboloid shape and the major axis of the micro-lens should be in a specified direction related to the panda-eyes. There is no appropriate commercial equipment, that can fit this purpose, available in the market right now. Therefore this study aims to develop a new equipment for grinding the panda polarization maintaining optical fiber to meet the requirements. 　　In order to ensure the accuracy of the polished fiber end face, all of the fabricating processes will be completed within one single setup after the fiber is loaded on the grinding machine. Four numerical controlled axes are constructed in the grinding machine to control the angular position of panda eyes, position of the grinding disc and lapping film, and the tilt angle of the fiber holding set related to the grinding disc. The fiber is mounted on the fiber holder in such a way that the fiber tip is located at a fixed point called virtual center. The fiber tip will stay at the virtual center that is independent of the motion of 4 CNC axes. In order to ensure that the long axis of the micro-lens will be in a specific angle related to the connection line of the two panda eyes, a microscope is equipped for on line detecting the angular position of panda eyes. The servomotor of the fiber holder will rotate the fiber to the desired position. A new design of a low run-out grinding disc is also developed to improve the grinding accuracy. 　　After assembling, the equipment is calibrated to make sure that the fiber tip will be stay at the virtual center during the whole grinding process. Properly controlling the position of the grinding disc, the normal pressure between the fiber tip and the lapping film will be changed during the grinding process. In this way, the desired fiber tip with a double -variable curvatures elliptical cone can be fabricated. The offset of the ground end face related to the fiber core in this study is less than 0.3μm, the angular position accuracy of the double -variable curvatures elliptical cone with respect to the panda-eye is less than 0.7 degree. This is satisfied the required specifications of the fiber end-face before fusion process. After the fusion process the fiber tip will be melt into a hyperboloid shape micro-lens that will increase the coupling efficiency.
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Panda, Satyananda [Verfasser]. „The dynamics of viscous fibers / Satyananda Panda“. 2006. http://d-nb.info/979183138/34.

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Lin, Tzu-Hsuan, und 林子軒. „Fiber Utilization of Enteric Microorganisms in Giant Pandas（Ailuropoda melanoleuca）“. Thesis, 2013. http://ndltd.ncl.edu.tw/handle/34688095872443687033.

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碩士
國立臺灣大學
動物科學技術學研究所
101
The objective of this study was to evaluate the fiber utilization of microorganisms in giant pandas’ digestive tract. It included two parts：（1）Clarify the species, activity and group size of predominant cellulolytic bacteria by bacteria screening. （2）Evaluate the whole scheme of microbial effect in fiber utilization via in vitro fermentation technique. Fecal samples collected from captive giant pandas in Taipei Zoo were used as sources of microorganisms in both parts of trails. In the first part, there were two screening procedures involved：（A）Four candidatus strains were selected according to the reducing sugar released from fiber content after short term culturing（6 and 24 hr）. Three of which were confirmed as Escherichia coli（A1, A8 and A13）, and one as Enterococcus hirae（A15）. （B）Congo Red- carboxymethyl cellulose was used as agar slim to culture plate. After short term culturing, there were 6～7% colonies grown with clear zones. Six strains were selected accordingly and all the strains were confirmed identities as E. coli. In the second part, daily feed of giant pandas were used as substrates for microbial fermentation, the following five groups were included：LV（leaves of moso bamboo）、CM（culms of golden bamboo）、BM（mixture of LV and CM with ratio of 1：1）、WT（wowotou） and MX（mixture of LV, CM and WT with ratio of 2：2：1）. All substrates were pretreated with commercial enzyme and then cultured with microorganisms for 6, 12, 24 and 48 hr. The time profile of digestibility of substrates, formation of short chain fatty acids and microbial synthesis showed that bacterial fermentation would efficiently contribute to their host in short term（0～6 hr） gut transit. Furthermore, among substrates, CM and WT group both showed higher volume of gas production but only CM group, the one held the highest fiber content, had the highest short chain fatty acid production. To sum up, the cellulolytic bacteria were confirmed to exist in giant pandas’ digestive tract. As the isolated strains were identical to the predominant strains, a large group of fiber utilization bacteria can be pictured. That is, the framework of microorganisms was able to contribute the energy sources via the metabolism of fiber.
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Bücher zum Thema "PANDA fiber"

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Marta, Turok, Hrsg. El Caracol púrpura: Una tradición milenaria en Oaxaca. México, D.F: Secretaría de Educación Pública, Dirección General de Culturas Populares, Programa de Artesanías y Culturas Populares, 1988.

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Buchteile zum Thema "PANDA fiber"

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Liu, Hai, und Hongbao Sun. „Mechanism of Electron Radiation Induced Loss of the “Panda” Type Polarization-Maintaining Optical Fibers“. In Astrophysics and Space Science Proceedings, 93–100. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-19309-0_10.

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Konferenzberichte zum Thema "PANDA fiber"

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Yang, Yi, Jitao Gao, Songnian Fu, Ming Tang und Deming Liu. „DUAL-PANDA TYPE FOUR-CORE FIBER“. In Information Storage System and Technology. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/isst.2019.jw3a.2.

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2

Zhang, Sheng, Victor I. Kopp, Victor Churikov und Guoyin Zhang. „PANDA-based in-fiber linear polarizers“. In SPIE OPTO: Integrated Optoelectronic Devices, herausgegeben von Shibin Jiang, Michel J. F. Digonnet, John W. Glesener und J. Christopher Dries. SPIE, 2009. http://dx.doi.org/10.1117/12.808261.

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Suzuki, F., S. Yamasaki, A. Wada und R. Yamauchi. „AII-PANDA-fiber gyroscope with erbium-doped superluminescent fiber“. In Optical Fiber Communication Conference. Washington, D.C.: OSA, 1991. http://dx.doi.org/10.1364/ofc.1991.wf4.

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Sudo, M., M. Nakai, K. Himeno, S. Suzaki, A. Wada und R. Yamauchi. „Simultaneous Measurement of Temperature and Strain using PANDA Fiber Grating“. In Optical Fiber Sensors. Washington, D.C.: OSA, 1997. http://dx.doi.org/10.1364/ofs.1997.owc7.

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Sakamoto, Akira. „Low loss all-PANDA-fiber polartization beam splitter/combiner“. In Fourteenth International Conference on Optical Fiber Sensors, herausgegeben von A. G. Mignani und H. C. Lefèvre. SPIE, 2000. http://dx.doi.org/10.1117/12.2302342.

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Kulkarni, Rohan, und Krishnaswami Srihari. „Angular Offset Splicing of Polarization Maintained (PANDA) Optical Fibers in an Electronics Manufacturing Environment“. In ASME 2009 InterPACK Conference collocated with the ASME 2009 Summer Heat Transfer Conference and the ASME 2009 3rd International Conference on Energy Sustainability. ASMEDC, 2009. http://dx.doi.org/10.1115/interpack2009-89233.

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Panda fibers are used in applications where polarized light is required as an input. Panda fibers do not polarize the light passed through them but maintain the polarization of the incident light. The focus of this research endeavor is restricted to the angular offset splicing process of Polarization Maintaining (PM) panda fibers during optoelectronic assembly. In the splicing process, two or more fiber ends are fused together using a high electric discharge in such a manner that a minimum amount of losses are introduced [1]. However, in this particular research effort, angular offset was used to perform the splicing of panda fibers. Angular displacement is not desired during the splicing of panda fibers as it introduces losses due to phase changes that are caused because of the misalignment of stress rods. This study observes the effects of angular displacement on the splice loss. This paper focuses on the angular offset splicing of Panda fibers. The objective of the study was to observe the effect of angular displacement on the splice loss during the angular offset splicing process for panda fibers and outline the splicing parameters that have a significant impact on the splice loss. A design of experiments (DOE) approach has been used to perform the splicing. Even though the splicer provides a loss estimate, a real time splice loss measurement set up using a power meter and source was used to measure the actual loss. Offset distance, target loss and angular displacement were the factors selected for experimentation. Experiments were conducted using the aforementioned parameters. An effort has been made to obtain ‘best’ combination values for the significant parameters that can be used for production in an Electronic Manufacturing Services (EMS) provider’s environment.
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Mitsuhiro Tateda und Akihiro Takashi. „Thermal characteristics of a fiber Fabry-Perot etalon made of PANDA fiber“. In 2008 Joint Conference of the Opto-Electronics and Communications Conference (OECC) and the Australian Conference on Optical Fibre Technology (ACOFT). IEEE, 2008. http://dx.doi.org/10.1109/oeccacoft.2008.4610594.

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Zheng, Kai, Deyuan Chang, Yongjun Fu, Huai Wei, Yan Wei, Fengping Yan, Wei Jian und Shuisheng Jian. „Design considerations for Panda-type erbium-doped polarization-maintaining fiber“. In Passive Components and Fiber-based Devices III. SPIE, 2006. http://dx.doi.org/10.1117/12.691619.

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Liu, Duan, Yaohe Liu, Daxing Zhao und Georges Humbert. „Long-period gratings written in the PANDA-Air fiber“. In 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). IEEE, 2017. http://dx.doi.org/10.1109/cleopr.2017.8118932.

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Liu, Yu-hang, und Jiu-sheng Li. „Transmission characteristic of panda eyes fiber in terahertz regime“. In Photonics and Optoelectronics Meetings 2011, herausgegeben von Jianquan Yao, X. C. Zhang, Dapeng Yan und Jinsong Liu. SPIE, 2012. http://dx.doi.org/10.1117/12.917554.

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Berichte der Organisationen zum Thema "PANDA fiber"

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Chiu, Wilson K., Jason M. Maguire und Marilyn J. Berliner. Phase Sensitivity of Conventional Single-Mode, PANDA, and Holey Optical Fibers: A Comparison Study. Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada408460.

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