Localization of Subsurface Defects in Uncoated Aluminum with Structured Heating Using High-Power VCSEL Laser Arrays
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DOI: 10.1007/s10765-018-2478-9
Abstract: We report on photothermal detection of subsurface defects by coherent superposition of thermal wave fields. This is made possible by structured heating using high-power VCSEL laser arrays whose individual emitter groups can be arbitrarily controlled.… read more here.
Keywords: subsurface; heating using; high power; using high ... See more keywords