Wavelength division multiplexed confocal microscopy using supercontinuum

Kebin Shi, Sung Hyun Nam, Peng Li, Shizhuo Yin, Zhiwen Liu

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

We investigate both theoretically and experimentally wavelength division multiplexed confocal imaging by using white light supercontinuum. We show that with the optimized pinhole diameter an axial resolution of 0.75 μm and detection efficiency of 80% can be achieved. In addition, we applied the axial WDM confocal system to 3D surface measurement and the result agreed well with that measured by commercially available surface profilometer. The measured sensitivity of the system is 3.25 nm. Finally, we demonstrated lateral confocal imaging by using supercontinuum. An effective lateral scanning range of 130 μm was obtained.

Original languageEnglish (US)
Pages (from-to)156-162
Number of pages7
JournalOptics Communications
Volume263
Issue number2
DOIs
StatePublished - Jul 15 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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