Method for measuring photon flux and photon flux sensor

By designing photoelectric conversion unit, signal amplification unit, analog-to-digital conversion unit, and digital-to-analog conversion unit for the photoelectric quantum flux sensor, the problem that existing sensors cannot detect pulsed light signals is solved, and efficient photoelectric quantum flux detection is achieved.

CN116839729BActive Publication Date: 2026-07-24ZHUOZHOU JINGSHENG POWER ENG CO LTD
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Patent Information

Application Number
CN202310833083.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-07
Publication Date
2026-07-24
Estimated Expiration
2043-07-07

AI Technical Summary

Technical Problem

Existing quantum flux sensors cannot effectively detect pulsed light signals, and existing algorithms are complex and time-consuming, making them unsuitable for detecting quantum flux in pulsed light signals.

Method used

A photoelectric quantum flux sensor was designed, comprising a photoelectric conversion unit, a signal amplification unit, an analog-to-digital conversion unit, a control unit, and a digital-to-analog conversion unit. The sensor achieves photoelectric quantum flux detection of pulsed light signals through simple processing such as photoelectric conversion, analog-to-digital conversion, sampling, filtering, and table lookup.

Benefits of technology

This improved signal processing speed, increased sampling frequency, and reduced acquisition time, enabling efficient detection of quantum flux in pulsed light signals.

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Abstract

The present disclosure provides a kind of optical quantum flux sensor, comprising: photoelectric conversion unit, for collecting the pulse light signal of to-be-measured light source and converting it into pulse electric signal;Signal amplification unit, for amplifying the pulse electric signal from photoelectric conversion unit into direct current voltage signal;Analog-digital conversion unit, for analog-digital conversion to direct current voltage signal to produce digital quantity signal;Control unit, for sampling, filtering and table lookup to digital quantity signal from analog-digital converter to determine the calibration data corresponding to the digital quantity signal and provide calibration data to digital-analog conversion unit;Digital-analog conversion unit, for digital-analog conversion to calibration data from control unit to produce analog signal for indicating the current optical quantum flux density of to-be-measured light source;Power supply unit, for connecting external power supply to power signal amplification unit, analog-digital conversion unit, control unit, digital-analog conversion unit.The present disclosure also provides a kind of optical quantum flux measurement method.The present disclosure embodiment can realize the optical quantum flux detection of pulse light signal.
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