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

doi:10.1002/mop.10448

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

Graduate Institute of Photonics

Research output: Contribution to journal › Article

8 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 language	English
Pages (from-to)	319-321
Number of pages	3
Journal	Microwave and Optical Technology Letters
Volume	34
Issue number	4
DOIs	https://doi.org/10.1002/mop.10448
Publication status	Published - 2002 Aug 20

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All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics

Cite this

Sun, C. C., Hsu, C. Y., Su, W-C., Ouyang, Y., & Chang, J. Y. (2002). A novel algorithm for high sensitivity in measuring surface variation based on volume holography. Microwave and Optical Technology Letters, 34(4), 319-321. https://doi.org/10.1002/mop.10448

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10.1002/mop.10448