Figure 1
From: Evaluation of pitting corrosion by dynamic speckle pattern analysis
(a) Experimental arrangement used for dynamic speckle pattern and bright filed microscopy; SF, spatial filter; \(\hbox {L}_1\) & \(\hbox {L}_2\), lens; \(\hbox {L}_3\), collecting lens; DM, dichroic mirror; BS, beam splitter and Sh, shutter. (b) Two point bending sample. (c) Sample schematic under electrochemical test.
