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Design method of beam calibration device

A calibration device and design method technology, applied in the direction of measuring devices, radiation measurement, instruments, etc., can solve the problems affecting the calibration effect, beam detector calibration and other signal interference, etc., to reduce signal interference and reduce the introduction of reflected signals Effect

Active Publication Date: 2022-03-25
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problem that the traditional beam calibration device design method will introduce reflection signals to superimpose the excitation signal and the reflection signal, which will cause the beam detector to be easily interfered by other signals during calibration and affect the calibration effect, the embodiment of the present invention provides a beam Design method of flow calibration device

Method used

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  • Design method of beam calibration device
  • Design method of beam calibration device
  • Design method of beam calibration device

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Embodiment

[0044] In order to solve the technical problem that the traditional beam calibration device design method will introduce reflection signals to superimpose the excitation signal and reflection signal, which will cause the beam detector to be easily interfered by other signals and affect the calibration effect; the inventor found that the traditional beam calibration The beam detector calibration device used in the design method of the device does not maintain impedance matching or quasi-impedance matching throughout the transmission of the excitation signal. Therefore, signal reflection will be introduced, and the reflected signal and the excitation signal will be superimposed. Therefore, the signal that excites the BPM is not Signals similar to particle transmission cannot completely simulate beam transmission. In addition, if the non-closed outer conductor is used, the calibration of the beam detector is easily interfered by other signals in the laboratory.

[0045] Based on ...

experiment example

[0060] The experimental example of the present invention uses the existing detector in the laboratory as an example to illustrate the feasibility of the beam calibration device design method being used for beam calibration. In particular, calibration devices for other non-truncated detectors can also be designed in the same way. CST MicroWave Studio is used to establish a calibration device, including: a beam detector, which is set inside the outer moving conductor; an outer moving conductor, which is used to be moved by the beam detector, and has a room for accommodating the inner rod of the conductor; and a guide The rod in the body is still in the accommodation space; the inner diameter of each section of the outer moving conductor changes with the outer diameter of the section corresponding to each section of the conductor inner rod in the same proportion, so that the calibration device can be used during the excitation signal transmission process. maintain impedance match...

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Abstract

The embodiment of the invention provides a design method of a beam calibration device in order to solve the technical problem that a calibration effect is affected due to the fact that a beam detector is easily interfered by other signals during calibration because a reflection signal is introduced to enable an excitation signal and the reflection signal to be superposed in a traditional design method of the beam calibration device. An outer moving conductor and a beam detector of the beam calibration device are arranged to be moving parts, a conductor inner rod is arranged to be a static part, and the calibration device keeps impedance matching or quasi impedance matching in the excitation signal transmission process. According to the embodiment of the invention, by adopting a mode that the external moving conductor and the beam detector move and the conductor inner rod is static and enabling the calibration device to maintain impedance matching or quasi impedance matching in an excitation signal transmission process, signal interference caused by superposition of a reflection signal and an excitation signal is reduced.

Description

technical field [0001] The invention relates to a design method of a beam calibration device. Background technique [0002] The beam detector (BPM) is compared to the eyes of the accelerator. Without the beam detector, the accelerator cannot be debugged. It can be said that the beam detector is one of the important components of the accelerator. From the perspective of the development of beam detectors, from the early blocking type to the current popular non-blocking type. Nowadays, non-blocking beam detectors are widely used in various accelerators. The application of the beam detector greatly facilitates the research and development and debugging of the accelerator. However, to accurately measure the lateral bias and current intensity of the beam, a beam calibration device is required. A good beam calibration device can calibrate the beam more accurately. [0003] At present, the rod inside the conductor of the traditional beam detector calibration device will introduc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T7/00G01T1/29
CPCG01T7/00G01T1/29
Inventor 何小中白海涛王毅廖树清石金水梁锦挥龙全红
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS