Design for source-and-detector configuration of a ring-scanning-based near-infrared optical imaging system

Jhao Ming Yu, Min Cheng Pan, Min Chun Pan

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The design scheme of the source-and-detector arrangement of a ring-scanning-based near-infrared optical imaging system prior to the mechanical and optical construction is demonstrated. In terms of the effectiveness and efficiency of design, through the computation of image reconstruction for varied imaging configurations, the influences of the source-and-detector arrangement on the resulting images are evaluated and a formula to estimate the scanning time is provided. The basic idea of our design is to divide circular scanning into several zones, each of which includes n sources and l detectors; i.e., m zones and n sources along with l detectors per zone are defined in the design. Comparison is made among different imaging configurations where their contrast-to-noise ratio measures are evaluated and contrast-and-size detail resolution curves are depicted. Results show that the 2Z3S or 3Z3S configuration is the optimal design in terms of the time consumption of a complete scanning and the resolution of reconstructed optical-property images.

Original languageEnglish
Article number011002
JournalOptical Engineering
Volume53
Issue number1
DOIs
StatePublished - Jan 2014

Keywords

  • contrast-and-size detail
  • contrastto-noise ratio
  • ring-scanning-based near-infrared optical imaging system

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