(Possible topics include, but are not limited to)  
Precision instrument design and integration  
Laser interferometry and ultra-precision measurement techniques  
Spectral analysis and trace detection methods  
Optical sensing materials and devices  
Photodetectors and imaging systems  
Fiber-optic sensing and distributed measurement  
Optical coherence tomography and 3D measurement  
Machine vision and optical inspection systems  
Development of novel optoelectronic functional materials  
Optical thin films and coating technologies  
Terahertz and infrared optical measurements  
Quantum optics and precision metrology  
Optical frequency combs and length standards  
Intelligent instruments and embedded signal processing  
Multi-sensor fusion measurement methods  
Error compensation and calibration in optical measurements  
Micro/nano-optical devices and measurement applications  
Characterization and performance testing of optoelectronic materials  
Online monitoring and industrial quality control  
Optical remote sensing and atmospheric measurements  
Biomedical optical diagnostic instruments  
Adaptive optics and wavefront sensing  
Optical measurement data fusion and algorithms  
Instrument reliability and environmental adaptability  
Optoelectronic measurement standards and metrological traceability