High longitudinal selectivity of shifting multiplexing in volume holograms

Ching Cherng Sun, You Nian Lin, Shih Po Yeh, Wei Chia Su, Yuh Ouyang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


High longitudinal selectivity of the shifting multiplexing with spherical reference wave is proposed and demonstrated. A simplified method based on wave optics is used for calculating the selectivity, and the result fits well the experimental measurement. Under the paraxial condition, a simple formula for the longitudinal selectivity is introduced. With use of an object lens with effective NA = 0.817, we obtain that an FWHM of selectivity is as small as 1 μm.

Original languageEnglish
Pages (from-to)523-526
Number of pages4
JournalOptics and Laser Technology
Issue number7
StatePublished - Oct 2002


  • Confocal microscope
  • Holography storage
  • Photorefractive crystal
  • Shifting sensitivity
  • Volume hologram


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