Single input state, single mode fiber based spectral domain polarization sensitive optical coherence tomography using a single linear-in-wavenumber spectral camera

Wu, Tong; Cao, Keming; Wang, Xuhui; Pan, Ruibin; Huo, Wenqi; Wang, Jiming; He, Chao; Lu, Yuangang; Liu, Youwen

doi:10.1016/j.optlaseng.2019.105948

Cited by 6 publications

(3 citation statements)

References 29 publications

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“…Polarization-sensitive optical coherence tomography (PS-OCT) is a functional extension of standard OCT, which was first developed for one-dimensional measurements in 1992 [1]. Since then, PS-OCT has made significant progress for three-dimensional (3D) imaging with high speed and sensitivity [2][3][4]. The extracted information based on PS-OCT includes cumulative or local phase retardation, birefringent axis orientation [5][6][7][8], degree of polarization uniformity (DOPU) [9,10], and uniformity of the birefringent optic axis [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…In addition, each category includes two configurations: fiberbased system and bulk optics-based system. Fiber-based PS-OCT, including polarization-maintaining fiber (PMF) [14 -17] and singlemode fiber (SMF) [4,[18][19][20], offers the advantages such as easy alignment, compact size, and robustness compared to bulk opticsbased PS-OCT for clinical application. However, there are complex and time-consuming steps to calibrate the polarization states of light among the reference, the sample, and detection arms for SMF-based PS-OCT due to the random change in the polarization properties of the SMF.…”

Section: Introductionmentioning

confidence: 99%

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Determination of birefringence of biological tissues using modified PS-OCT based on the quaternion approach

et al. 2023

Front. Phys.

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Introduction: Polarization-sensitive optical coherence tomography (PS-OCT) is a functional extension of standard OCT. PS-OCT systems can be generally categorized into two categories based on the number of input polarization states on the sample: multi-input polarization state (multi-IPS) and single IPS. In addition, each category includes two configurations: fiber-based system and bulk optics-based system. However, there are complex and time-consuming steps to calibrate the polarization states of light among the reference, the sample, and detection arms for fiber-based system. And it is not compact and robust enough for bulk optics-based system.Methods: In the modified SD PS-OCT system with structural symmetry in both arms of the reference and sample, there are no bulk polarization optical elements in both arms of the reference and the sample. A circularly polarized light was used to incident on sample, and Stokes vector of backscattered light was employed to characterize the birefringence of biological tissues based on the quaternion approach, which directly establishes the relationship between Stokes vectors of backscattered light and Jones matrix of the sample.Results and discussion: The new algorithm provides the analytic solution of retardance and fast-axis orientation. To evaluate the performance of the developed system, an eighth-wave plate is used. Then, the polarization properties of the myocardial tissue in vivo are quantitatively reconstructed based on the quaternion approach. The results demonstrated that the proposed method has an advantage over Jones formalism based on a single input state and two polarization input states. In the future, the modified SD PS-OCT could be improved as a common path SD PS-OCT for clinical applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Determination of birefringence of biological tissues using modified PS-OCT based on the quaternion approach

et al. 2023

Front. Phys.

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“…Tissue optical properties containing total attenuation, scattering coefficients and optical thickness can be noninvasive measured based on OCT. [ 11–14 ] Cumulative or local phase retardance and optical axis can be obtained based on polarization sensitive (PS)‐OCT. [ 15–18 ]…”

Section: Introductionmentioning

confidence: 99%

Orthogonal‐polarization‐gating optical coherence tomography for human sweat ducts in vivo

Zhang

et al. 2021

Journal of Biophotonics

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We propose an orthogonal‐polarization‐gating optical coherence tomography (OPG‐OCT) for human sweat ducts in vivo. OPG‐OCT is composed of the orthogonal linearly polarized light of a sample arm individually interfering with orthogonal linearly polarized lights of the reference arms, where OPG‐OCT induces two images, one reflecting the projection intensity and the other the horizontal linear diattenuation (HLD). The results demonstrate that OPG‐OCT projection intensity could improve the image quality of sweat ducts. HLD also clearly illustrates the spiral shape of the sweat ducts. Finally, sweat ducts in intensity image are segmented by employing convolutional neural networks (CNN). The proportions of left‐handed and right‐handed ducts are extracted to characterize the sweat ducts based on HLD. Therefore, the OPG‐OCT technique employing CNN for the human sweat glands has the potential to automatically identify the human sweat ducts in vivo.

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Combined wide-field Mueller matrix polarimetry and PS-OCT for rapid polarization imaging of biological samples

Yin,

Gao

2024

Optics and Lasers in Engineering

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Single input state, single mode fiber based spectral domain polarization sensitive optical coherence tomography using a single linear-in-wavenumber spectral camera

Cited by 6 publications

References 29 publications

Determination of birefringence of biological tissues using modified PS-OCT based on the quaternion approach

Determination of birefringence of biological tissues using modified PS-OCT based on the quaternion approach

Orthogonal‐polarization‐gating optical coherence tomography for human sweat ducts in vivo

Combined wide-field Mueller matrix polarimetry and PS-OCT for rapid polarization imaging of biological samples

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