Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Mar 9;12(4):1934–1946. doi: 10.1364/BOE.420724

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

https://doi.org/10.1364/OA_License_v1#VOR-OA

PMC Copyright notice

Fig. 1. — (a) The MS-IVTM system overview, with an inset figure of opto-electric slip ring, (b) the tip of MS-IVTM catheter overview, and (c) photograph. OPO: optical parameter oscillator laser; A: aperture; P: pinhole; L1-L3: lens; FC: fiber connector; DCFC: double-clad fiber coupler; RM: rotary motor; PS: motorized pull-back stage; FORJ: fiber optical rotary joint; ESR: electrical slip ring; EC: electrical cable; SS: swept-source; PC1-PC2: polarization controller; PM: power meter; FCP1-FCP2: fiber optical coupler; FOC1-FOC2: fiber optical circulator; BPD: balanced amplified photodetector; CM: collimator; PP: prism pair; M: mirror; DM: delay module; P/R: ultrasound pulser/receiver; OCT: optical coherence tomography signal; US: ultrasound signal; PA: photoacoustic signal.