Development and validation of the meteorological optical range definition reproduction method using array optical components
- Dongpeng Yang , Jian Zhang , Dianwu Ren , Ke Zhang , Junjie Yang , Bin Zhao , Yangyang Zou , Haodong Shi , Songzhou Yang , Cheng Huang , Taiyang Ren , Lu Wang , Yu Zhang , Zeng Peng , Jingrui Sun , Zhunian Zhang
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View abstract on PubMed
Summary
This summary is machine-generated.This study introduces a new method to reproduce the meteorological optical range (MOR) definition using advanced optical components. The developed system enhances the accuracy and traceability of visibility measurements.
Area Of Science
- Optical Engineering
- Metrology
- Atmospheric Science
Background
- Accurate reproduction of the meteorological optical range (MOR) is crucial for visibility measurements.
- Existing methods may lack the precision required for reliable calibration.
Purpose Of The Study
- To propose and validate a novel method for reproducing the MOR definition.
- To construct a system architecture capable of precise MOR reproduction.
- To enhance the traceability and calibration of visibility measurements.
Main Methods
- Selection of 30 light-emitting diodes (LEDs) based on spectral homogeneity and purity.
- Implementation of an optimized optical architecture featuring dual free-form lenses and a microlens array.
- Integration of a long short-term memory-non-dominated sorting genetic algorithm II (LSTM-NSGA II) for system optimization.
Main Results
- Achieved 96% irradiance uniformity over a 65 × 65 mm range.
- Demonstrated a beam divergence of less than 3.6°.
- Obtained a spectral matching error of -4.24%.
Conclusions
- The proposed method accurately reproduces the MOR definition.
- The developed system enhances traceability for visibility measurement calibration.
- This approach offers a reliable solution for meteorological optical range standardization.
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