Telecentric suppression of diffuse light in imaging of highly anisotropic scattering media

Michelle A. Visbal Onufrak, Raymond Konger, Young L. Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The telecentric lens, which was originally used in the machine vision industry, has often been utilized in biomedical imaging systems due to its commonly known properties, such as large transverse field of view, constant magnification, and long working distance. However, its potential advantages in optical imaging of biological tissue, which is highly diffusive, have not been fully explored. We revisit the idea that a telecentric lens system can bring an alternative yet simple method for reducing unwanted scattering or diffuse light in biological tissue, owing to its highly anisotropic scattering properties. Using biological tissue and tissue phantoms, we demonstrate advantages attributed to the use of telecentric lens in tissue imaging compared with imaging using conventional nontelecentric optics. Directional or angular gating (or filtering) using a telecentric lens is beneficial for removing a portion of diffuse light in highly anisotropic scattering media with high values of the scattering anisotropy factor. We envision that a telecentric lens could be potentially incorporated into an instrument of modest design and cost, increasing rapid practical adoption.

Original languageEnglish (US)
Pages (from-to)143-146
Number of pages4
JournalOptics Letters
Volume41
Issue number1
DOIs
StatePublished - Jan 1 2016

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lenses
retarding
scattering
computer vision
magnification
field of view
industries
optics
costs
anisotropy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Telecentric suppression of diffuse light in imaging of highly anisotropic scattering media. / Visbal Onufrak, Michelle A.; Konger, Raymond; Kim, Young L.

In: Optics Letters, Vol. 41, No. 1, 01.01.2016, p. 143-146.

Research output: Contribution to journalArticle

Visbal Onufrak, Michelle A. ; Konger, Raymond ; Kim, Young L. / Telecentric suppression of diffuse light in imaging of highly anisotropic scattering media. In: Optics Letters. 2016 ; Vol. 41, No. 1. pp. 143-146.
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