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"Time-multiplexed laser self-mixing sensor for measurement of multiple " by Bin Liu, Bo Wang et al.

The mechanical properties of materials hold significant importance in fundamental research, material, mechanical and civil engineering. These properties are often characterized by some elastic parameters, e.g., Young's modulus, shear modulus and Poisson's ratio. Self-mixing interferometry (SMI) is a unique non-destructive sensing technology that requires minimal components. In this work, we have developed a time-multiplexed fiber-coupled laser SMI sensor in conjunction with impulse excitation technique to simultaneously measure Young modulus, shear modulus and Poisson's ratio of materials. Two specimens made of brass and aluminum 6061 were assessed to validate the feasibility of the designed sensor. The measured values of Young's modulus (101.2 GPa for brass and 69.5 GPa for aluminum 6061), shear modulus (36.3 GPa for brass and 29.5 GPa for aluminum 6061), and Poisson's ratio (0.39 for brass and 0.34 for aluminum 6061) aligned with values reported in existing l ....

Elastic Moduli , Laser Interferometry , Ptical Feedback Interferometry , Optical Measurement , Self Mixing Interferometry ,

Koh Young to Dive into Dispensing Process Inspection Challenges and Explore Solutions in a 13 March 2024 Webinar · EMSNow

Koh Young to Dive into Dispensing Process Inspection Challenges and Explore Solutions in a 13 March 2024 Webinar · EMSNow
emsnow.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from emsnow.com Daily Mail and Mail on Sunday newspapers.

United States , Anaheim Convention Center , Koh Young , Hector Alan Hernandez , Lalan Hernandez , Laser Interferometry , Fluid Tomography , Near Infrared Light , Neptune Series ,