Mechanical Scan-Free Confocal Microscope by a Broadband Source and Two Balanced Wavelength-to-Space Transformations

Hsien Yi Wang, Bor-Shyh Lin, Chien Ya Lou, Ming-Che Chan*

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

A new approach for performing confocal microscopy without no mechanical scanners was reported by a broadband light source, two similar 2-D wavelength-dispersive optical elements, and an uncooled charge-coupled device (CCD). In the new approach, 2-D sample structures were simultaneously and instantly mapped into the CCD by performing two balanced wavelength-to-space transformations and one space-to-wavelength transformation. Compared with a traditional mechanical-scanner-based confocal microscope, no mechanical scanners or additional post dataprocessing were required in this new approach. The sectioned images are directly shown in the CCD. The demonstrated balanced wavelength-encoded confocal microscope has a simple configuration and shows great potential for high imaging speed. It has the advantage of miniaturized packaging and other applications outside of the laboratory as well.

Original languageEnglish
Article number3900108
JournalIEEE Photonics Journal
Volume7
Issue number1
DOIs
StatePublished - 1 Feb 2015

Keywords

  • Broadband Source
  • Confocal Microscope
  • Diffractive Optics
  • Wavelength Encoded

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