Shearing interferometer with a Kitty self–pumped phase–conjugate mirror

Ching Cherng Sun, Ren Han Tsou, Wei Shen, Hsin Hua Chang, Jenq Yang Chang, Ming Wen Chang

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


A shearing interferometer with a Kitty-type self-pumped phase-conjugate mirror is developed. The measurement of the focal length of a lens is demonstrated with a standard deviation of 1.5%. In addition, we measured the microdisplacement in the range of tens of micrometers with an error less than 2% by using the interferometer.

Original languageEnglish
Pages (from-to)1815-1819
Number of pages5
JournalApplied Optics
Issue number11
StatePublished - 10 Apr 1996


  • Optical interferometer
  • Photorefractive crystal
  • Self-pumped phase-conjugate mirror


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