@article{oai:niigata-u.repo.nii.ac.jp:00002212,
 author = {Wang, Xiangzhao and Sasaki, Osami and Suzuki, Takamasa and Maruyama, Takeo},
 issue = {9},
 journal = {Optical Engineering, Optical Engineering},
 month = {Sep},
 note = {We describe a new method for measuring spatially nonuniform phase changes of a light beam from the spatial nonuniformity of the phase changes, which is obtained by detecting the relative reflectivity change of a self-pumped phase-conjugate mirror. The method is designed to decrease the accumulation of calculating errors. The usefulness of these methods is verified through computer simulations and measurements of the phase changes caused by spatially nonuniform deformation of a semitransparent sheet of silicone gum. © 1999 Society of Photo-Optical Instrumentation Engineers.},
 pages = {1553--1559},
 title = {Measurement of spatially nonuniform phase changes of a light beam utilizing the reflectivity characteristic of a self-pumped phase-conjugate mirror},
 volume = {38},
 year = {1999}
}