School of Mechanical Science and Engineering,Huazhong University of Science and Technology, Wuhan 430074, China;
School of Mechanical Science and Engineering,Huazhong University of Science and Technology, Wuhan 430074, China;
School of Mechanical Science and Engineering,Huazhong University of Science and Technology, Wuhan 430074, China;
Tribology & Mechanical Characterization Division, SAE Magnetics (H.K.) Ltd., Dongguan 523087, China;
Tribology & Mechanical Characterization Division, SAE Magnetics (H.K.) Ltd., Dongguan 523087, China;
Flying height measurement; Multi-wavelength interferometry; Incident bandwidth;