Ma, Yiding. “Research Progress on Tip Clearance Measurement Technology for Aero-Engines: From Traditional Methods to Innovations in Laser Self-Mixing Interference​”. Science and Technology of Engineering, Chemistry and Environmental Protection 3, no. 5 (October 23, 2025): 11582. Accessed November 4, 2026. https://stecep.deanfrancis.press/article/view/630.