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. 2011 Jan 31;2(3):421–430. doi: 10.1364/BOE.2.000421

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©2011 Optical Society of America

This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License, which permits download and redistribution, provided that the original work is properly cited. This license restricts the article from being modified or used commercially.

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Fig. 1 — Block diagram of the dual modality OCT-LIF subsystem, pictured with optional dichroic proximal optics setup (outlined). OCT (1300 nm center wavelength superluminescent diode (SLD)) and LIF (helium:cadmium (He:Cd) with 325 nm excitation wavelength) sources are fiber coupled into focused OCT-LIF endoscope. Neutral density (ND) filters attenuate source power, while spectrometer data is collected by a charge-coupled device (CCD) and electronically transmitted to the central processing unit (CPU).