@article{oai:niigata-u.repo.nii.ac.jp:00001524,
 author = {Suzuki, Takamasa and Suda, Hiromi and Sasaki, Osami},
 issue = {1},
 journal = {Applied Optics, Applied Optics},
 month = {Jan},
 note = {A previously proposed double sinusoidal phase-modulating (DSPM) laser-diode interferometer measures distances larger than a half-wavelength by detecting modulation depth. Although it requires a vibrating mirror to provide the second modulation to the interference signal, such vibrations naturally affect measurement accuracy. We propose a static-type DSPM laser-diode interferometer that uses no mechanical modulation. Our experimental results indicate a measurement error of +/- 1.6 microm.},
 pages = {60--66},
 title = {Double sinusoidal phase-modulating distributed-Bragg-reflector laser-diode interferometer for distance measurement},
 volume = {42},
 year = {2003}
}