Cross position-sensitive anode and method for achieving photon counting integral imaging measurement with cross position-sensitive anode applied

Abstract

The invention provides a novel cross position-sensitive anode which is suitable for a micro-channel plate detector, and discloses a high-performance ultraviolet photon counting integral imaging detection system and a photon counting integral imaging measurement method, wherein the cross position-sensitive anode serves as a core detection component. The cross position-sensitive anode is divided into an upper layer and a lower layer, wherein each rectangular conductive strip on the upper layer is in overlap joint with each rectangular conductive strip on the lower layer, the rectangular conductive strips on the upper layer are parallel on the same plane, the rectangular conductive strips on the lower layer are parallel on the same plane, insulation layers correspond to the rectangular conductive strips on the upper layer in a one-to-one mode and are located in projection ranges of the corresponding rectangular conductive strips respectively, all the rectangular conductive strips on the upper layer and the lower layer integrally form a cross grid in the projection direction, and each rectangular conductive strip independently outputs an electric charge signal. The anode and the method can achieve the properties of high spatial resolution and high counting rate, solve the electrode conduction problems, reduce electrode crosstalk and accurately control the width of an insulation channel.

Description

technical field [0001] The invention belongs to the technical field of multi-anode detection, and in particular relates to a position-sensitive anode suitable for a microchannel plate anode detector, and a method for implementing photon counting integral imaging measurement using the position-sensitive anode. Background technique [0002] The international ultraviolet detection methods mainly include ultraviolet photometer (photometer), ultraviolet spectrometer (spectrometer), ultraviolet spectrograph (Spectrograph), ultraviolet imager (Imaging), etc., covering extreme ultraviolet, far ultraviolet, middle ultraviolet to near ultraviolet band . Wide bandgap semiconductor GaN, SiC, ZnO, diamond film and AlGaN detectors, ultraviolet CCD (UVCCD), ultraviolet enhanced CCD (UV-ICCD), microchannel plate anode detectors (such as multi-anode array detectors, MAMA) are usually used ,Multi-Anode Microchannel Array), wedge type anode detector (WSA, Wedge and Strip Anode), delay line de...

AI Technical Summary

Problems solved by technology

[0005] The structural characteristics of the Delay Line detector itself, that is, multiple output electrodes are connected on the same chip, and a high dielectric coefficient and a serpentine circuit are used to reduce the transmission speed of the signal pulse, so that the charge signals of all output electrodes are delayed. , the real-time performance of signal processing is poor

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