4篇
您的检索式：作者名="He Xingdao"
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| 1 | Boltzmann constant determined by fluorescent spectroscopy for verifying thermometers显示文摘 | Weiwei ZHANG Yiqing GAO Xingdao HE | 2014 | Frontiers of Optoelectronics2014，7，1： | 4 |
| 2 | Mach-Zehnder Interferometer for High Temperature(1000℃)Sensing Based on a Few-Mode Fiber显示文摘A Mach-Zehnder interferometer(MZI)for high temperature(1000°C)sensing based on few mode fiber(FMF)was proposed and experimentally demonstrated.The sensor was fabricated by fusing a section of FMF between two single-mode fibers(SMFs).The structure was proven to be an excellent high temperature sensor with good stability,repeatability,and high temperature sensitivity(48.2 pm/C)after annealing process at a high temperature lasting some hours,and a wide working temperature range(from room temperature to 1000 C).In addition,the simple fabrication process and the low cost offered a great potential for sensing in high temperature environments. | Juan Liu Chaowei Luo Hua Yang Zhen Yi Bin Liu Xingdao He Qiang Wu | 2021 | Photonic Sensors2021，11，3： | 2 |
| 3 | Analysis of Kerr effect induced by temperature in Brillouin fiber-optical gyroscope显示文摘 | Wan Shengpeng He Xingdao Sun Jizhou | 2010 | Optics Communications2010，283，1： | 1 |
| 4 | Spatial confinement effects of laser-induced breakdown spectroscopy at reduced air pressures显示文摘Spatial confinement is a simple and cost-effective method for enhancing signal intensity and improving the detection sensitivity of laser-induced breakdown spectroscopy(LIBS).However,the spatial confinement effects of LIBS under different pressures remains a question to be studied,because the pressure of the ambient gas has a significant influence on the temporal and spatial evolution of plasma.In this study,spatial confinement effects of LIBS under a series of reduced air pressures were investigated experimentally,and the plasma characteristics under different air pressures were studied.The results show that the reduced air pressure can lead to both earlier onset and weakening of the enhancement effect of the spatial confinement on the LIBS line intensity.When the air pressure drops to 0.1 kPa,the enhancement effect of the emission intensity no longer comes from the compression of the reflected shock wave on the plasma,but from the cavity’s restriction of the plasma expansion space.In conclusion,the enhancement effect of spatial confinement technology on the LIBS is still effective when the pressure is reduced,which further expands the research and application field of spatial confinement technology. | Zhongqi Hao Zhiwei Deng Li Liu Jiulin Shi Xingdao He | 2022 | Frontiers of Optoelectronics2022，15，2： | 0 |
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