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. 2015 Mar 19;6(4):1363–1375. doi: 10.1364/BOE.6.001363

Fig. 2.

Fig. 2

OCT-NIRAF system schematic. BP – band pass filter, LP – long pass filter, SPDM – short pass dichroic mirror, LPDM – long pass dichroic mirror, DAQ – data acquisition board. The catheter was connected to the rotary junction, which rotated the optics within the sheath. The rotary junction was translated by a pullback tray to effectuate a helical scan.