Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Yandong, Lin"'
Publikováno v:
Journal of Physics: Conference Series; 2024, Vol. 2864 Issue 1, p1-6, 6p
Publikováno v:
Metrologia. 60:025004
Light-emitting diode (LED) is now the main type of light source in global lighting marketing. However, traditional photometry with the incandescent standard lamp is not sufficient to implement high-level LED photometric measurement, since a considera
Publikováno v:
Optical Metrology and Inspection for Industrial Applications VIII.
Accurate measurement of the aperture area has always been the focus of optics and optical radiation measurement. The metrology institutes around the world have established absolute aperture area measurement facilities. In this paper, a measuring syst
Publikováno v:
Optics Express. 30:23065
Precise photon flux measurement of single photon sources (SPSs) is essential to the successful application of SPSs. In this work, a novel method, to our knowledge, was proposed for direct measurement of the absolute photon flux of single photon sourc
Approximation of a melting plateau of large area HTFP cells used for spectral irradiance realization
Autor:
Yandong Lin, Yanfei Wang, Shufang He, Ling Li, Zhifeng Wu, Yihang Xie, Caihong Dai, Irina Grigoryeva, Boris Khlevnoy
Publikováno v:
Applied optics. 60(7)
This paper adopted an approximation of a melting plateau to solve the problem that temperature data cannot be monitored continuously when measuring the spectral irradiance of a large area tungsten carbide–carbon high-temperature fixed-point blackbo
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Publikováno v:
AOPC 2020: Optical Sensing and Imaging Technology.
An LED-based integrating sphere light source (LED-ISLS) was designed and fabricated for radiance responsivity calibration of microscopes. The LED-ISLS was composed of a miniaturized integrating sphere, an LED chip, a thin circular aperture, and was s
Autor:
Yingwei He, Nan Xu, Yangting Fu, Haiyong Gan, Wende Liu, Yandong Lin, Xiangliang Liu, Haifeng Meng
Publikováno v:
AOPC 2020: Optical Sensing and Imaging Technology.
The photon counting detectors have a wide range of applications in different areas, such as quantum communication, linear-optics quantum computing optical metrology and so on. In this work, a fiber-based 16-channel multiplexer with different time del
Publikováno v:
Optical Metrology and Inspection for Industrial Applications VII.
Aperture is widely used in optical instruments, for which the area is of importance especially for instruments measuring radiometric or photometric quantities. To measure the radiometric area of the aperture, an optical method using a power stabilize
Autor:
Yingwei He, Zhiwei Liu, Yandong Lin, Nan Xu, Weiqiang Zhao, Ning Xu, Wende Liu, Yongjie Lin, Limin Xiong, Haiyong Gan, Yangyang Wang
Publikováno v:
Optical Metrology and Inspection for Industrial Applications VII.
A new comparator facility for spectral responsivity calibration of InGaAs photodiode based on cryogenic radiometer fundamental has been set up at the National Institute of Metrology of China (NIM). The comparator employed a stable supercontinuum ligh