scholarly journals 2.2 μm axial resolution optical coherence tomography based on a 400 nm-bandwidth superluminescent diode

Scanning ◽  
2006 ◽  
Vol 28 (1) ◽  
pp. 11-14 ◽  
Author(s):  
Ming-Che Chan ◽  
Yi-Shin Su ◽  
Ching-Fuh Lin ◽  
Chi-Kuang Sun
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Axial Resolution ◽  
Superluminescent Diode

scholarly journals Coherence tomography with broad bandwidth extreme ultraviolet and soft X-ray radiation

2021 ◽  
Vol 127 (4) ◽  
Author(s):  
S. Skruszewicz ◽  
S. Fuchs ◽  
J. J. Abel ◽  
J. Nathanael ◽  
J. Reinhard ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Near Infrared ◽  
Extreme Ultraviolet ◽  
Infrared Light ◽  
Imaging Method ◽  
Optical Coherence ◽  
Axial Resolution ◽  
Cross Sectional ◽  
X Ray ◽  
Broad Bandwidth

AbstractWe present an overview of recent results on optical coherence tomography with the use of extreme ultraviolet and soft X-ray radiation (XCT). XCT is a cross-sectional imaging method that has emerged as a derivative of optical coherence tomography (OCT). In contrast to OCT, which typically uses near-infrared light, XCT utilizes broad bandwidth extreme ultraviolet (XUV) and soft X-ray (SXR) radiation (Fuchs et al in Sci Rep 6:20658, 2016). As in OCT, XCT’s axial resolution only scales with the coherence length of the light source. Thus, an axial resolution down to the nanometer range can be achieved. This is an improvement of up to three orders of magnitude in comparison to OCT. XCT measures the reflected spectrum in a common-path interferometric setup to retrieve the axial structure of nanometer-sized samples. The technique has been demonstrated with broad bandwidth XUV/SXR radiation from synchrotron facilities and recently with compact laboratory-based laser-driven sources. Axial resolutions down to 2.2 nm have been achieved experimentally. XCT has potential applications in three-dimensional imaging of silicon-based semiconductors, lithography masks, and layered structures like XUV mirrors and solar cells.

The Role of Axial Resolution of Optical Coherence Tomography on the Measurement of Corneal and Epithelial Thicknesses

2013 ◽  
Vol 54 (1) ◽  
pp. 746 ◽  
Author(s):  
Lili Ge ◽  
Yimin Yuan ◽  
Meixiao Shen ◽  
Aizhu Tao ◽  
Jianhua Wang ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Axial Resolution

scholarly journals Bandwidth enhancement in an InGaN/GaN three-section superluminescent diode for optical coherence tomography

2020 ◽  
Vol 117 (6) ◽  
pp. 061106
Author(s):  
Graham R. Goldberg ◽  
Dae-Hyun Kim ◽  
Richard J. E. Taylor ◽  
David T. D. Childs ◽  
Pavlo Ivanov ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Bandwidth Enhancement ◽  
Superluminescent Diode

Submicrometer axial resolution optical coherence tomography

2002 ◽  
Vol 27 (20) ◽  
pp. 1800 ◽  
Author(s):  
B. Povazay ◽  
K. Bizheva ◽  
A. Unterhuber ◽  
B. Hermann ◽  
H. Sattmann ◽  
...  
Keyword(s):  
Optical Coherence Tomography ◽  
Optical Coherence ◽  
Axial Resolution
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