Real-Time Depth Monitoring of Air-Film Cooling Holes in Turbine Blades via Coherent Imaging During Femtosecond Laser Machining

Real-Time Depth Monitoring of Air-Film Cooling Holes in Turbine Blades via Coherent Imaging During Femtosecond Laser Machining

Given the exceptional capabilities of femtosecond laser processing in achieving high-precision ablation for air-film cooling hole fabrication on turbine blades, it is imperative to develop an advanced monitoring methodology that enables real-time feedback control to automatically terminate the laser...

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Bibliographic Details
Main Authors: Yi Yu, Ruijia Liu, Chenyu Xiao, Ping Xu
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Photonics
Subjects:
femtosecond laser drilling
hole depth measurement
coherent imaging
plasma compensation
engine blade
Online Access:https://www.mdpi.com/2304-6732/12/7/668
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