Results 241 to 250 of about 115,709 (298)

Adults Closed Distal Radial Fractures: Current Concepts in Treatment Selection and Complication Prevention. [PDF]

J Hand Surg Glob Online
Nguyen SA, Dang AH, Tran DQ.
europepmc   +1 more source

Rack-and-Pinion Displacement of an Intramedullary Pin During Minimally Invasive Plate-Rod Osteosynthesis of the Canine Femur-A Case Report. [PDF]

Animals (Basel)
Wills DJ, Lloyd MJ, Hospes KL, Walsh WR.
europepmc   +1 more source

Locking Plate with Cerclage Wiring Versus Hook Plate Fixation for Unstable Distal Clavicle Fractures: Is There Still a Role for Hook Plates? [PDF]

Medicina (Kaunas)
Song HS, Kim H.
europepmc   +1 more source

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Defect depth quantification using lock-in thermography

Quantitative InfraRed Thermography Journal, 2015
In this paper we explore the defect evaluation in austenitic stainless steel (SS) using Lock-in technique and the effect of modulation frequency on defect detectability. A review of international literature indicates that while such studies have been attempted on materials like Perspex and composites, studies on austenitic SS like AISI 316, which are ...
Sharath Delanthabettu, Murugesan Menaka, Balasubramanian Venkatraman, Baldev Raj   +3 more
openaire   +1 more source

Depth-gated imaging using lock-in holography

Journal of the Optical Society of America B, 2002
Holographic depth-gated imaging is investigated with perpendicular-field multiple-quantum-well optically addressed spatial light modulators. It is shown that the signal-to-noise ratio of the image can be improved by use of the spatial light modulators in lock-in mode.
R. Mahon, W. S. Rabinovich, M. Bashkansky, S. R. Bowman, K. Ikossi-Anastasiou, D. S. Katzer   +5 more
openaire   +1 more source

Velocity and depth contours with a mode-locked pulse

Applied Optics, 1976
An expression is derived for the intensity in the reconstructed image of a three-dimensional object in motion. The particular cases of (1) a stationary three-dimensional object and (2) a moving object with exact path matching are treated separately. The displacement of the object during the exposure is assumed to be insignificant in comparison with the
S, Mallick, D, Malacara
openaire   +2 more sources

Determining Subsurface Defects’ Depth in CFRP Composites Using Lock-In Thermography

2021
The lock-in infrared thermography technique was used for inspecting a carbon fiber reinforced polymer (CFRP) sample to detect and to determine the depth of internal defects located underneath its top surface. The frequency dependency of incident modulated light on heat transport through the sample is explored to investigate its effect on the emitted ...
Carlos Manzano, Jonathan Zheng, Vinod Kumar, Andrew Ngo   +3 more
openaire   +1 more source

Lock-in thermography with depth resolution on silicon solar cells

Solar Energy Materials and Solar Cells, 2018
Abstract Lock-in thermography (LIT) is the standard method for imaging and evaluating leakage currents in solar cells. For usually applied lock-in frequencies in the order of 10 Hz, silicon solar cells are considered to be thermally thin. Hence, depth-dependent investigations, as they are performed in non-destructive testing and failure analysis of ...
Breitenstein, O., Straube, H., Iwig, K.
openaire   +2 more sources