Enhancement in flaw detectability by means of lockin temporal speckle pattern interferometry and thermal waves

Optics and Lasers in Engineering

Volumn 45, Issue 6, 2007, Pages 690-694

  Dolinko, Andrés E ^a   Kaufmann, Guillermo H ^a,b  

^a INSTITUTO DE FÍSICA ROSARIO   (Argentina)

^b UNIVERSIDAD NACIONAL DE ROSARIO   (Argentina)

Author keywords

Displacement measurement; Flaw detection; Lockin mode; Temporal speckle pattern interferometry; Thermal waves

Indexed keywords

INTERFEROMETRY; NONDESTRUCTIVE EXAMINATION; PLATE METAL; PLATES (STRUCTURAL COMPONENTS); WAVEFORM ANALYSIS;

DISPLACEMENT MEASUREMENT; FLAW DETECTION; LOCKIN MODE; TEMPORAL SPECKLE PATTERN INTERFEROMETRY; THERMAL WAVES;

DEFECTS;

EID: 33947165750     PISSN: 01438166     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.optlaseng.2006.11.002     Document Type: Article

References (5)

1. Kaufmann G.H., and Vest C.M. Thermal waves visualized by holographic interferometry. Appl Opt 26 (1987) 2799-2803
2. Carslaw H.S., and Jaeger J.C. Conduction of heat in solids (1959), University Press, London
3. Kaufmann G.H. Nondestructive testing with thermal waves using phase-shifted temporal speckle pattern interferometry. Opt Eng 42 (2003) 2010-2014
4. Kaufmann G.H., Viotti M.R., and Galizzi G.E. Flaw detection improvement in temporal speckle pattern interferometry using thermal waves. J Holography Speckle 1 (2005) 1-5
5. Gerhard H, Busse G. Lockin-ESPI interferometric imaging for remote nondestructive testing. In Maldague X, editor. Advances in signal processing for nondestructive evaluation of materials, vol. V. Québec: E du CAO; 2006. p. 57-67.