Synopsis of recent research by authors named "Sheng Lih Yeh"
- Sheng Lih Yeh's research primarily focuses on the development and advancement of optical measurement techniques, particularly through the use of interferometry and various light manipulation methods, including the incorporation of unique optical components such as Savart prisms and reflective-type waveplates.
- His studies have led to innovative approaches for measuring precise parameters such as step heights, angular displacements, and surface contours, demonstrating effective techniques like shearing interference patterns and polarization phase-shifting methods that significantly enhance measurement accuracy and sensitivity.
- In addition to measurement technologies, Yeh has explored applications in data encoding and anti-counterfeiting, notably through the introduction of pointcodes and modified diffractive barcodes, addressing limitations of traditional barcodes in small area applications.