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Related Experiment Video

Updated: Jan 8, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

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Development and validation of the meteorological optical range definition reproduction method using array optical

Dongpeng Yang, Jian Zhang, Dianwu Ren

|December 19, 2025

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.

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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.