'A'

B. Wang, Y. Fu, Y. Liu, R. Guo, and F. T. S. Yu, "Displacement sensing with hetero-core fiber specklegram," Proc. of SPIE, vol. 5560, pp. 164-172, Aug. 2004.

Authors' address:

The Pennsylvania State University, University Park, PA 16802, USA



'B'

M. Song, S. B. Lee, S. S. Choi, and B. Lee, "Dynamic-Strain measurement with dual-grating fiber sensor," Applied Optics, vol. 37, no. 16, pp. 3484-3486, 1998.