Spectrally encoded slit confocal microscopy using a wavelength-swept laser

Soocheol Kim, Jaehyun Hwang, Jung Heo, Suho Ryu, Donghak Lee, Sang Hoon Kim, Seung Jae Oh, Chulmin Joo

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We present an implementation of spectrally encoded slit confocal microscopy. The method employs a rapid wavelength-swept laser as the light source and illuminates a specimen with a line focus that scans through the specimen as the wavelength sweeps. The reflected light from the specimen is imaged with a stationary line scan camera, in which the finite pixel height serves as a slit aperture. This scanner-free operation enables a simple and cost-effective implementation in a small form factor, while allowing for the three-dimensional imaging of biological samples.

Original languageEnglish
Article number036016
JournalJournal of Biomedical Optics
Issue number3
Publication statusPublished - 2015 Mar 1

Bibliographical note

Publisher Copyright:
© 2015 Society of Photo-Optical Instrumentation Engineers.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Biomedical Engineering


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