A novel algorithm for high sensitivity in measuring surface variation based on volume holography

Ching Cherng Sun, Chih Yuan Hsu, Wei-Chia Su, Yuh Ouyang, Jenq Yang Chang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A novel design for the precise measurement of surface variation based on volume holography is proposed. The volume hologram is a spatial filter, which records the index grating corresponding to the interference fringes by a plane wave and a divergent spherical wave. In the measuring process, a point source attached to a probe is used to read the hologram. A precise measurement can be achieved because the horizontal displacement of the point source is very sensitive to the hologram. This sensitivity is higher than that of a holographic confocal microscopy based on the longitudinal displacement.

Original languageEnglish
Pages (from-to)319-321
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume34
Issue number4
DOIs
Publication statusPublished - 2002 Aug 20

Fingerprint

Holography
Holograms
holography
point sources
sensitivity
spherical waves
Confocal microscopy
plane waves
gratings
microscopy
interference
filters
probes

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

Sun, Ching Cherng ; Hsu, Chih Yuan ; Su, Wei-Chia ; Ouyang, Yuh ; Chang, Jenq Yang. / A novel algorithm for high sensitivity in measuring surface variation based on volume holography. In: Microwave and Optical Technology Letters. 2002 ; Vol. 34, No. 4. pp. 319-321.
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A novel algorithm for high sensitivity in measuring surface variation based on volume holography. / Sun, Ching Cherng; Hsu, Chih Yuan; Su, Wei-Chia; Ouyang, Yuh; Chang, Jenq Yang.

In: Microwave and Optical Technology Letters, Vol. 34, No. 4, 20.08.2002, p. 319-321.

Research output: Contribution to journalArticle

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