High-frame frequency electron gain solid-state imaging detector

Abstract

The invention discloses a high-frame frequency electron gain solid-state imaging detector, which comprises a photosensitive area and a signal read-out processing circuit, wherein the photosensitive area comprises a sensitive area and a gain register bank; each column of sensitive units in the sensitive area corresponds to a gain register; the sensitive area is used for detecting a visible light signal and converting the visible light signal into a signal charge; the gain register bank is used for carrying out gain amplification on each column of signal charges in the sensitive area; and the amplified signal charges are input into the signal read-out processing circuit; and the main functions of the signal read-out processing circuit are detecting, integrating, sampling and holding, analog-digital conversion and signal processing for weak signal charges generated by the photosensitive area. The signal read-out processing circuit disclosed by the invention has high frame output rate and also has the advantages of low power consumption, low cost, simplicity in fabrication technology and the like; and meanwhile, due to the photosensitive area, the detector also has the advantages of high duty ratio, high sensitivity, low noise, high response speed, large dynamic range and the like.

Description

technical field [0001] The invention belongs to the field of low-light imaging detection, and in particular relates to a high frame frequency electronic gain solid-state imaging detector. Background technique [0002] In the field of solid-state low-light imaging detection, EMCCD is characterized by its small size, long life, high sensitivity, and variable gain control. It has been applied in spectral observation of sensitive and faint celestial bodies, optical interference observation and fast photometry. However, due to the use of traditional CCD technology in EMCCD production, the shortcomings of low device integration, high power consumption, low output frame frequency, and complex driving schemes also limit the scope of use of EMCCD. Contents of the invention [0003] In order to effectively solve the problem of limited application of existing EMCCD devices in some fields, the present invention provides a high frame frequency electronic gain solid-state imaging detec...

AI Technical Summary

Problems solved by technology

[0003] In order to effectively solve the problem of limited application of existing EMCCD devices in some fields, the present invention provides a high frame frequency electronic gain solid-state imaging detector, which has strong environmental adaptability and can achieve high resolution High-sensitivity detection can realize digital signal output with low power consumption and high frame rate

Images