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LabVIEW-based multi-functional optical test system and method

An optical testing and multi-functional technology, which is applied in general control systems, control/adjustment systems, and material analysis through optical means, can solve problems such as errors, unrealistic human operations, poor test stability and repeatability, etc., to improve Efficiency and reliability, reducing human error, and achieving the effect of programmed settings

Active Publication Date: 2019-01-08
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Long afterglow luminescence, thermoluminescence, constant temperature / variable temperature phosphorescence, thermal quenching and thermal stability tests have in common that multiple instruments and equipment are required to work together to complete the operation, which is complex, time-consuming and laborious. It is easy to introduce unnecessary errors, resulting in poor test stability and repeatability
For example: during the long afterglow test, the data of the dark field luminance meter and the photomultiplier tube can only be collected point by point through the instrument display screen or supporting computer software, and a simple long afterglow decay curve requires hundreds of data point, it is obviously unrealistic to operate manually

Method used

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  • LabVIEW-based multi-functional optical test system and method

Examples

Experimental program
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Effect test

Embodiment 1

[0039] This is an example of long-lasting luminescence performance test. Run the measurement and control system platform, select the long afterglow test mode (the hot and cold stage is disabled by default), and run the connection module. Select the xenon lamp as the excitation light source, enable the dark field luminance meter, photomultiplier tube and fiber optic spectrometer, and run the reset module. The pop-up box reconfirms the hardware activation and prohibition, the preset file name and save path, the preset working voltage and working mode of the photomultiplier tube, and the background of the fiber optic spectrometer. After preset hardware working parameters, click the setting completion button to run the parameter setting module. Click the start button to run the test system: turn on the xenon lamp and wait for it to light up to excite the sample for about 12 seconds; turn off the xenon lamp after 30 seconds of excitation; after 2 seconds of stabilization, the dark ...

Embodiment 2

[0041] This is an example of a thermoluminescence performance test. Run the measurement and control system platform, select the thermoluminescence test mode (the dark field luminance meter is disabled by default), and run the connection module. Select the xenon lamp as the excitation light source, enable the hot and cold stage, photomultiplier tube and fiber optic spectrometer, and run the reset module. The pop-up box reconfirms the hardware activation and prohibition, the preset file name and save path, the preset working voltage and working mode of the photomultiplier tube, and the background of the fiber optic spectrometer. After preset hardware working parameters, click the setting completion button to run the parameter setting module. Click the start button to run the test system: the hot and cold stage drops to the excitation temperature of 280K at a rate of 50K / min and stabilizes for 18s; turn on the xenon lamp and wait for it to light up to excite the sample for about ...

Embodiment 3

[0043] This is an example of a constant temperature phosphorescent performance test. Run the measurement and control system platform, select the phosphorescence test mode (the dark field luminance meter and photomultiplier tube are disabled by default), and further set it to the constant temperature mode, and run the connection module. Select a suitable external excitation light source, enable the hot and cold stage and fiber optic spectrometer, and run the reset module. The pop-up box reconfirms the hardware activation and prohibition status, preset file name and save path, deducts the background of the fiber optic spectrometer, presets the hardware working parameters, and clicks the setting completion button to run the parameter setting module. Click the start button to run the test system: the cold and hot stage drops to the initial collection temperature of 200K at a rate of 50K / min, and after it stabilizes for 60s, the external light source is turned on to excite the samp...

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Abstract

A LabVIEW-based multi-functional optical test system and method relates to optical performance test. The system comprises a test hardware part and a LabVIEW-based measurement and control system platform, wherein the test hardware part comprises a light source system, a temperature control system and a data acquisition system, the light source system is used for simulating a light-emitting sample,the temperature control system is used for controlling a temperature of the light-emitting sample, the data acquisition system is used for acquiring test data, the light source system, the temperaturecontrol system and the data acquisition system are all in coupling connection and / or communication connection with the measurement and control system, the light source system comprises a light sourceand a light source control module, and the light source is in communication connection with the measurement and control system platform by the light source control module. By the system, the measurement and control system platform having five test modes such as a long afterglow attenuation curve, a thermoluminescence curve, a time resolution phosphorescence spectrum, fluorescence thermal quenching and fluorescence thermal stability is achieved.

Description

technical field [0001] The invention relates to optical performance testing, in particular to a multifunctional optical testing system and method based on LabVIEW. Background technique [0002] Due to their great application value in general lighting, safety instructions, information storage and other fields, optical functional materials have been widely concerned by people. After the synthesis of optical functional materials, a series of tedious optical performance tests are required, such as long-lasting luminescent materials for long-lasting decay tests, optical information storage materials for thermoluminescence tests, phosphorescent materials for constant or variable temperature phosphorescence spectroscopy tests, and phosphor materials for thermal Quenching characteristics and thermal stability tests, etc. [0003] Long afterglow luminescent materials have the characteristic of being able to continue to emit light even after the excitation of the light source is stop...

Claims

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Application Information

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IPC IPC(8): G05B19/418G01N21/01
CPCG01N21/01G01N2021/0112G05B19/4183G05B19/41845G05B2219/23258Y02P90/02
Inventor 陈文威庄逸熙吕营解荣军周天亮
Owner XIAMEN UNIV
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