Patent · US Active

Endoscopic long range fourier domain optical coherence tomography (LR-FD-OCT)

US8285368B2 · kind B2 · utility

25Cited by

1References

15Claims

0Family size

Assignee

The Regents of the University of California · US

Inventors

Zhongping Chen · Irvine, US
Jun Zhang · Irvine, US
Matthew Brenner · Charlotte, US

Key dates

Filing date	Jul 9, 2010
Grant date	Oct 9, 2012
Priority date	—
Expiry date	Jan 26, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG01B2290/45
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An endoscopic swept-source Fourier Domain optical coherence tomographic system (FDOCT system) for imaging of tissue structure includes a Fourier Domain mode locked (FDML), high speed, narrow line-width, wavelength swept source, an OCT interferometer having a sample arm, a reference arm, a detection arm, and a source arm coupled to the swept source, an endoscopic probe coupled to the sample arm, and a data processing circuit coupled to the detection arm. The swept source includes a long optic fiber functioning as a cavity, a high optical gain lasing module, and a tunable narrow bandwidth bandpass filter for wavelength selection combined to form a unidirectional ring laser cavity, where the tunable narrow bandwidth bandpass filter is driven synchronously with the optical round-trip time of a propagating light wave in the cavity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.