Spectral imaging using forward-viewing spectrally encoded endoscopy

Adel Zeidan, Dvir Yelin

Research output: Contribution to journalArticlepeer-review


Spectrally encoded endoscopy (SEE) enables miniature, smalldiameter endoscopic probes for minimally invasive imaging; however, using the broadband spectrum to encode space makes color and spectral imaging nontrivial and challenging. By careful registration and analysis of image data acquired by a prototype of a forward-viewing dual channel spectrally encoded rigid probe, we demonstrate spectral and color imaging within a narrow cylindrical lumen. Spectral imaging of calibration cylindrical test targets and an ex-vivo blood vessel demonstrates highresolution spatial-spectral imaging with short (10 μs/line) exposure times.

Original languageEnglish
Pages (from-to)392-398
Number of pages7
JournalBiomedical Optics Express
Issue number2
StatePublished - 8 Jan 2016


  • Color
  • Endoscopic imaging
  • Fiber optics imaging
  • Spectrum analysis

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Atomic and Molecular Physics, and Optics


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