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1.发明授权公开(公告)号：US11085831B2
公开(公告)日：2021-08-10
申请号：US16576399
申请日：2019-09-19
发明人： Qibing Sun , Chao Zeng , Leiran Wang , Wenfu Zhang , Wei Zhao
摘要： A high-resolution real-time time-frequency domain measuring device includes a light splitting unit used to split signal light to be measured, a time lens unit used to perform time domain amplification on the signal light to be measured, a dispersion Fourier transform unit used to perform Fourier transform on the signal light to be measured, and a detection unit used to receive and detect measured data. The time lens and the dispersion Fourier transform technology are used to realize the real-time measurement of sub-picosecond transient characteristics of the ultra-short pulse to accurately obtain the time-frequency domain information of the ultra-short pulse.
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2.发明授权公开(公告)号：US09841376B2
公开(公告)日：2017-12-12
申请号：US15071988
申请日：2016-03-16
发明人： Wenfu Zhang , Guoxi Wang , Lingxuan Zhang , Wei Zhao
IPC分类号： G01N21/55 , G01N21/552
CPC分类号： G01N21/554 , B82Y20/00
摘要： The invention relates to a metamaterial nano-sensing system, and in particular to a high-sensitivity metamaterial nano-sensing system with an ultra-narrow line width spectral response. The system includes an input light path, a metamaterial nano-sensing unit and an output light path which are sequentially provided along a direction of a light path, and the metamaterial nano-sensing unit includes a Bragg grating and a metallic periodic array arranged above the Bragg grating. The nano-sensing system provided by the invention has an ultra-narrow line width spectral response, so that sensitivity of a nanosensor is effectively improved, and broad application prospect in the fields of portable biosensing, drug development and detection, environment monitoring and the like is ensured.
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3.发明授权Grid-controlled X-ray source and space X-ray communication system and method 有权电网控制X射线源和空间X射线通信系统及方法公开(公告)号：US09577766B2
公开(公告)日：2017-02-21
申请号：US14346629
申请日：2011-12-26
申请人： Baosheng Zhao , Qiurong Yan , Lizhi Sheng , Yongan Liu
发明人： Baosheng Zhao , Qiurong Yan , Lizhi Sheng , Yongan Liu
IPC分类号： G01N23/00 , H04B10/90 , H01J31/49 , H01J35/14 , H04B10/112 , H04B10/118 , H01J35/04
CPC分类号： H04B10/90 , H01J31/49 , H01J35/045 , H01J35/14 , H04B10/1123 , H04B10/118
摘要： The disclosure relates to a grid-controlled X-ray source, a space X-ray communication system and a space X-ray communication method. The structure of the grid-controlled X-ray source is: one end of the filament is grounded and the other end is connected with the anode of a power supply, the thermionic cathode is located at the side of the filament and the emergence hole thereof faces the filament, the modulation grid is an electrode plate with a small hole which faces the emergence hole of the thermionic cathode, the electronic beam focusing electrode is located on the two sides of the small hole of the modulation grid to form a focusing channel facing the small hole, an electronic beam is focused by the electronic beam focusing electrode and then transmitted to the metallic target anode, wherein the transmitting surface of the metallic target anode faces the outlet of the focusing channel and the other surface is connected with the anode of the power supply, and the output window is located on an reflection path of the electronic beam which is from the metallic target anode. The disclosure solves the technical problems that the signal-to-noise ratio of communication is low, the error rate error rate of communication is high and the speed of communication is low when an X ray is used for implementing communication in the conventional art, and has the advantages of long communication distance and the low error rate of communication.
摘要翻译： 本发明涉及网格控制的X射线源，空间X射线通信系统和空间X射线通信方法。 电网控制的X射线源的结构是：灯丝的一端接地，另一端与电源的阳极连接，热离子阴极位于灯丝一侧，出炉孔 面向灯丝，调制栅是具有小孔的电极板，其面向热离子阴极的出射孔，电子束聚焦电极位于调制栅格的小孔的两侧，以形成面向 小孔时，电子束被电子束聚焦电极聚焦，然后传输到金属靶阳极，其中金属靶阳极的透射面面向聚焦通道的出口，另一表面与 电源和输出窗口位于来自金属目标阳极的电子束的反射路径上。 本发明解决了传统技术中使用X射线实现通信时通信的信噪比低，通信的误码率误差率高，通信速度低的技术问题， 具有通信距离长，通信误码率低的优点。
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公开(公告)号：US20210088871A1
公开(公告)日：2021-03-25
申请号：US16700810
申请日：2019-12-02
发明人： Qibing Sun , Leiran Wang , Wenfu Zhang , Aihu Zheng , Chao Zeng , Wei Zhao
摘要： A device for high-speed real-time sampling of mid-infrared ultrafast light signals includes a time domain amplification unit and a detection unit. The time domain amplification unit is used to perform sampling and time domain amplification on signal light incident to the time domain amplification unit, and convert the signal light of a mid-infrared band into a near-infrared/visible band. The detection unit is used to receive and record information of the to-be-detected signal light processed by the time domain amplification unit to realize high-speed real-time sampling and measurement of the mid-infrared ultrafast light signal. The present disclosure can accurately obtain subpicosecond transient characteristics of the light signal, breaks through the capacity limit to the response rate of a traditional photoelectric detector, the bandwidth of the oscilloscope and the like, and is applicable to femtosecond-level mid-infrared ultrafast light signals.
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5.发明申请GRID-CONTROLLED X-RAY SOURCE AND SPACE X-RAY COMMUNICATION SYSTEM AND METHOD 有权网格控制的X射线源和空间X射线通信系统及方法公开(公告)号：US20140314164A1
公开(公告)日：2014-10-23
申请号：US14346629
申请日：2011-12-26
申请人： Baosheng Zhao , Qiurong Yan , Lizhi Sheng , Yongan Liu
发明人： Baosheng Zhao , Qiurong Yan , Lizhi Sheng , Yongan Liu
IPC分类号： H04B10/90 , H04B10/112 , H01J35/14
CPC分类号： H04B10/90 , H01J31/49 , H01J35/045 , H01J35/14 , H04B10/1123 , H04B10/118
摘要： The disclosure relates to a grid-controlled X-ray source, a space X-ray communication system and a space X-ray communication method. The structure of the grid-controlled X-ray source is: one end of the filament is grounded and the other end is connected with the anode of a power supply, the thermionic cathode is located at the side of the filament and the emergence hole thereof faces the filament, the modulation grid is an electrode plate with a small hole which faces the emergence hole of the thermionic cathode, the electronic beam focusing electrode is located on the two sides of the small hole of the modulation grid to form a focusing channel facing the small hole, an electronic beam is focused by the electronic beam focusing electrode and then transmitted to the metallic target anode, wherein the transmitting surface of the metallic target anode faces the outlet of the focusing channel and the other surface is connected with the anode of the power supply, and the output window is located on an reflection path of the electronic beam which is from the metallic target anode. The disclosure solves the technical problems that the signal-to-noise ratio of communication is low, the error rate error rate of communication is high and the speed of communication is low when an X ray is used for implementing communication in the conventional art, and has the advantages of long communication distance and the low error rate of communication.
摘要翻译： 本发明涉及网格控制的X射线源，空间X射线通信系统和空间X射线通信方法。 电网控制的X射线源的结构是：灯丝的一端接地，另一端与电源的阳极连接，热离子阴极位于灯丝一侧，出炉孔 面对灯丝，调制栅格是具有小孔的电极板，其面向热离子阴极的出射孔，电子束聚焦电极位于调制栅格的小孔的两侧，以形成面向 小孔时，电子束被电子束聚焦电极聚焦，然后传输到金属靶阳极，其中金属靶阳极的透射面面向聚焦通道的出口，另一表面与 电源和输出窗口位于来自金属目标阳极的电子束的反射路径上。 本发明解决了传统技术中使用X射线实现通信时通信的信噪比低，通信的误码率误差率高，通信速度低的技术问题， 具有通信距离长，通信误码率低的优点。
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公开(公告)号：US11733096B2
公开(公告)日：2023-08-22
申请号：US17352327
申请日：2021-06-20
发明人： Leiran Wang , Qibing Sun , Lei Shi , Wenfu Zhang
CPC分类号： G01J3/433 , G01J3/0229 , G01J3/108 , G01N21/3504 , G02F1/3536 , G02F1/3551 , G01J2003/423 , G01J2003/4334 , G02F2202/20 , G02F2203/11 , G02F2203/56
摘要： An ultrahigh-resolution mid-infrared (MIR) dual-comb spectroscopy (DCS) measurement device includes a pump unit, a microring resonator (MRR) unit, a modulation unit, a splitting unit, a testing unit, a signal detection unit, a power balance unit, a reference detection unit and a spectral analysis unit. The measurement method includes: adjusting the laser emitted by the pump unit to the MRR unit; adjusting the modulation unit and performing dual-frequency modulation; generating two sets of MIR optical frequency combs (OFCs) with different repetition rates and splitting the MIR OFCs into the test light and the reference light; performing photoelectric conversion on the test light and injecting the test light to the spectral analysis unit; performing photoelectric conversion on the reference light and injecting the reference light to the spectral analysis unit; and performing Fourier transformation and data processing on test results to obtain absorption spectrum of the to-be-tested sample.
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公开(公告)号：US20220181834A1
公开(公告)日：2022-06-09
申请号：US17643057
申请日：2021-12-07
发明人： Huabao Cao , Yuxi Fu , Hushan Wang , Pei Huang , Xin Liu , Hao Yuan
摘要： The disclosure provides a dispersion management method and apparatus based on non-periodic spectral phase jumps. Precise dispersion is provided by virtue of non-periodic spectral phase jumps, the dispersion can be tuned freely with engineering of the phase jump. A device based on non-periodic spectral phase jump also has a wide working bandwidth and could promote the development of ultrafast optics. The method includes: spatially separating a light pulse with different frequency components, and meanwhile, making the light pulse with the different frequency components propagate in parallel; enabling the light pulse with the different frequency components and propagating in parallel to be incident on a non-periodic phase jump device to obtain non-periodic spectral phase jumps, forming a phase grating effect to obtain two ±1-order diffracted pulses having opposite group delays, and introducing frequency dependent relative delay for the different spectral components in the two diffracted pulses.
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公开(公告)号：US20210141283A1
公开(公告)日：2021-05-13
申请号：US16891440
申请日：2020-06-03
发明人： Leiran Wang , Qibing Sun , Wenfu Zhang , Chao Zeng , Weichen Fan , Wei Zhao
摘要： A system for generating a mid-infrared optical frequency comb based on a lithium niobate microcavity includes pumping units, a beam combining unit, a nonlinear frequency conversion unit and a filtering unit. The pumping units are divided into two paths and are configured to provide two paths of pumping light. The beam combining unit is configured to perform beam combination on the two paths of pumping light The nonlinear frequency conversion unit is configured to receive the beam-combined pumping light and undergo a nonlinear four-wave mixing process to generate a broadband optical frequency comb at a mid-infrared waveband. The filtering unit is configured to filter the remaining pumping light and output a mid-infrared optical frequency comb.
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公开(公告)号：US11281070B2
公开(公告)日：2022-03-22
申请号：US16700810
申请日：2019-12-02
发明人： Qibing Sun , Leiran Wang , Wenfu Zhang , Aihu Zheng , Chao Zeng , Wei Zhao
摘要： A device for high-speed real-time sampling of mid-infrared ultrafast light signals includes a time domain amplification unit and a detection unit. The time domain amplification unit is used to perform sampling and time domain amplification on signal light incident to the time domain amplification unit, and convert the signal light of a mid-infrared band into a near-infrared/visible band. The detection unit is used to receive and record information of the to-be-detected signal light processed by the time domain amplification unit to realize high-speed real-time sampling and measurement of the mid-infrared ultrafast light signal. The present disclosure can accurately obtain subpicosecond transient characteristics of the light signal, breaks through the capacity limit to the response rate of a traditional photoelectric detector, the bandwidth of the oscilloscope and the like, and is applicable to femtosecond-level mid-infrared ultrafast light signals.
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公开(公告)号：US10151907B2
公开(公告)日：2018-12-11
申请号：US15306950
申请日：2015-11-24
发明人： Ming Lei , Baoli Yao , Jia Qian , Dan Dan , Xing Zhou , Yanlong Yang , Shaohui Yan , Junwei Min
IPC分类号： G02B21/00 , H04N13/257 , G02B21/36 , H04N5/225 , H04N5/372 , H04N9/077 , G02B26/08 , G02B27/14
摘要： The present invention provides a full-color three-dimensional optical sectioning microscopic imaging system and method based on structured illumination, includes an illumination source, a dichroic prism positioned at the illumination optical path, a structured light generator positioned at the reflected optical path of the dichroic prism, a lens positioned at the transmitted optical path of the dichroic prism, a beam splitter positioned at the optical path of the lens, an objective lens and a sample stage positioned at the upper optical path of the beam splitter, a reflector mirror and a tube lens positioned at the lower optical path of the beam splitter and a CCD camera positioned behind the tube lens. The illumination source is an incoherent monochrome LED or a white light LED The structured light generator is a DMD (Digital Micro-mirror Device).
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