PMID- 29609412
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20180404
LR  - 20210514
IS  - 1094-4087 (Electronic)
IS  - 1094-4087 (Linking)
VI  - 26
IP  - 6
DP  - 2018 Mar 19
TI  - Characterization of spectral-domain OCT with autocorrelation interference 
      response for axial resolution performance.
PG  - 7253-7269
LID - 10.1364/OE.26.007253 [doi]
AB  - We present a class of novel system characterization methods for spectral-domain 
      optical coherence tomography (SD-OCT) particularly on getting optimized axial 
      resolution performance. Our schemes uniquely utilize the autocorrelation 
      interference response, also known as the self-interference product, which is 
      generated by the optical fields from the imaging sample in automatic 
      interferences. In our methods, an autocorrelation-inducing calibration sample was 
      prepared which was made by sandwiching glass plates. OCT images of the 
      calibration sample were captured by an SD-OCT system under testing. And the image 
      data were processed to find various system characteristics based on the unique 
      properties of autocorrelation interferograms, free of dispersion- and 
      polarization-involved modulations. First, we could analyze the sampling 
      characteristic of the SD-OCT's spectrometer for spectral calibration that enables 
      accurate linear-k resampling of detected spectral fringes. Second, we could 
      obtain the systematic polarization properties for quantifying their impact on the 
      achieved axial resolutions. We found that our methods based on the 
      autocorrelation response provide an easy way of self-characterization and 
      self-validation that is useful in optimizing and maintaining axial resolution 
      performances. It was found very attractive that a variety of system 
      characteristics can be obtained in a single-shot measurement without any 
      increased system complexity.
FAU - Moon, Sucbei
AU  - Moon S
FAU - Qu, Yueqiao
AU  - Qu Y
FAU - Chen, Zhongping
AU  - Chen Z
LA  - eng
GR  - P41 EB015890/EB/NIBIB NIH HHS/United States
GR  - R01 EY026091/EY/NEI NIH HHS/United States
GR  - R01 HL125084/HL/NHLBI NIH HHS/United States
GR  - R01 HL127271/HL/NHLBI NIH HHS/United States
PT  - Journal Article
PL  - United States
TA  - Opt Express
JT  - Optics express
JID - 101137103
PMC - PMC6005678
EDAT- 2018/04/04 06:00
MHDA- 2018/04/04 06:01
PMCR- 2019/03/12
CRDT- 2018/04/04 06:00
PHST- 2018/04/04 06:00 [entrez]
PHST- 2018/04/04 06:00 [pubmed]
PHST- 2018/04/04 06:01 [medline]
PHST- 2019/03/12 00:00 [pmc-release]
AID - 383327 [pii]
AID - 318229 [pii]
AID - 10.1364/OE.26.007253 [doi]
PST - ppublish
SO  - Opt Express. 2018 Mar 19;26(6):7253-7269. doi: 10.1364/OE.26.007253.