Oblate School of Theology

We present a high-resolution optical coherence tomography (OCT) imaging system that utilizes a multi-level diffractive lens (MDL) to enhance lateral resolution. The system utilizes a polygon-based swept laser source with a center wavelength of 1,000 nm to achieve an axial resolution of 5.6 µm and an imaging depth of 1.4 mm using the bidirectional configuration of a semiconductor optical amplifier. The MDL significantly enhances the lateral resolution of the system, providing an extended depth of focus of 550 µm with an average lateral resolution of 8.5 µm. The effectiveness of this setup is validated through imaging of phantom and onion samples, demonstrating the system's capability for high-resolution deep tissue imaging. These findings underscore the potential of compact MDLs to significantly enhance the performance of OCT systems, offering a promising direction for advanced high-resolution imaging applications.

Journal Article Knight without Armor: Carlos Eduardo Castañeda, 1896–1958 Get access Knight without Armor: Carlos Eduardo Castañeda, 1896–1958. By Almaráz Félix D.Jr. (College Station: Texas A & M University Press, 1999. xxi + 430 pp. Illustrations, notes, bibliography, index. $39.95.) Robert E. Wright Robert E. Wright Oblate School of Theology, San Antonio Search for other works by this author on: Oxford Academic Google Scholar Western Historical Quarterly, Volume 32, Issue 1, Spring 2001, Pages 90–91, https://doi.org/10.2307/3650847 Published: 01 February 2001

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