John C. Bortz

1.1k total citations · 1 hit paper
29 papers, 659 citations indexed

About

John C. Bortz is a scholar working on Biomedical Engineering, Electrical and Electronic Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, John C. Bortz has authored 29 papers receiving a total of 659 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Biomedical Engineering, 13 papers in Electrical and Electronic Engineering and 9 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in John C. Bortz's work include Advanced optical system design (14 papers), Optical Coatings and Gratings (9 papers) and Adaptive optics and wavefront sensing (8 papers). John C. Bortz is often cited by papers focused on Advanced optical system design (14 papers), Optical Coatings and Gratings (9 papers) and Adaptive optics and wavefront sensing (8 papers). John C. Bortz collaborates with scholars based in United States, Switzerland and Germany. John C. Bortz's co-authors include Narkis Shatz, Jerald Greenberg, Joel Brockner, Roland Winston, Harald Ries, W. Spirkl, Brian J. Thompson, Paul J. Kim, Augustine Moscatello and J.L. Doane and has published in prestigious journals such as Academy of Management Journal, Physics Today and Optics Express.

In The Last Decade

John C. Bortz

26 papers receiving 581 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A New Mathematical Formulation for Strapdown Inertial Navigation

1971 317 citations John C. Bortz IEEE Transactions on Aerospace and Electronic Systems profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John C. Bortz United States	9	265	160	144	113	84	29	659
Reinhold Herschel Germany	11	228 0.9×	215 1.3×	286 2.0×	11 0.1×	26 0.3×	76	528
Fuhong Wang China	14	532 2.0×	37 0.2×	208 1.4×	6 0.1×	38 0.5×	39	688
Xin Zhuang China	20	73 0.3×	193 1.2×	267 1.9×	6 0.1×	72 0.9×	85	1.3k
Anthony Lawrence Nigeria	7	196 0.7×	47 0.3×	186 1.3×	5 0.0×	69 0.8×	31	472
Xing Huang China	15	52 0.2×	69 0.4×	67 0.5×	26 0.2×	63 0.8×	45	501
Jerry Hamann United States	14	71 0.3×	92 0.6×	199 1.4×	13 0.1×	52 0.6×	56	901
Eunjung Yang South Korea	14	177 0.7×	58 0.4×	45 0.3×	10 0.1×	26 0.3×	60	484
Zhenwei Huang China	18	211 0.8×	70 0.4×	72 0.5×	3 0.0×	22 0.3×	56	779
Jun Peng China	19	76 0.3×	76 0.5×	173 1.2×	10 0.1×	88 1.0×	129	1.2k
Shuang Du China	12	191 0.7×	45 0.3×	83 0.6×	5 0.0×	55 0.7×	43	449

Countries citing papers authored by John C. Bortz

Since Specialization

Citations

This map shows the geographic impact of John C. Bortz's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John C. Bortz with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John C. Bortz more than expected).

Fields of papers citing papers by John C. Bortz

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John C. Bortz. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John C. Bortz. The network helps show where John C. Bortz may publish in the future.

Co-authorship network of co-authors of John C. Bortz

This figure shows the co-authorship network connecting the top 25 collaborators of John C. Bortz. A scholar is included among the top collaborators of John C. Bortz based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John C. Bortz. John C. Bortz is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Shatz, Narkis & John C. Bortz. (2013). Design method for color-corrected layered spherical lenses. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 8834. 88340G–88340G.

Bortz, John C. & Narkis Shatz. (2012). Nanolayered polymer diffusive spectral filters. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 8485. 848506–848506. 1 indexed citations

Bortz, John C. & Narkis Shatz. (2011). Relationships between the generalized functional method and other methods of nonimaging optical design. Applied Optics. 50(10). 1488–1488. 7 indexed citations

Shatz, Narkis, John C. Bortz, & Roland Winston. (2010). Thermodynamic efficiency of solar concentrators. Optics Express. 18(S1). A5–A5. 22 indexed citations

Bortz, John C. & Narkis Shatz. (2010). Mathematical relationships between the generalized functional, edge-ray, aplanatic, and SMS design methods. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7785. 778502–778502. 2 indexed citations

Shatz, Narkis, John C. Bortz, & Roland Winston. (2009). Thermodynamic efficiency of nonimaging concentrators. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7423. 742308–742308. 2 indexed citations

Shatz, Narkis, et al.. (2008). Advanced optics for LED flashlights. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7059. 70590D–70590D. 2 indexed citations

Bortz, John C. & Narkis Shatz. (2007). Iterative generalized functional method of nonimaging optical design. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 6670. 66700A–66700A. 22 indexed citations

Bortz, John C. & Narkis Shatz. (2006). Generalized functional method of nonimaging optical design. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 6338. 633805–633805. 17 indexed citations

10.

Shatz, Narkis & John C. Bortz. (2005). Optimized image-forming cemented-doublet concentrator. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5942. 59420G–59420G. 2 indexed citations

11.

Shatz, Narkis, et al.. (2001). Optimal design of a nonimaging projection lens for use with an rf-powered source and a rectangular target. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4446. 171–171. 1 indexed citations

12.

Bortz, John C., et al.. (2000). <title>Optimal design of a nonimaging projection lens for use with an LED source and a rectangular target</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4092. 130–138. 17 indexed citations

13.

Shatz, Narkis, et al.. (1999). <title>Design optimization of a smooth headlamp reflector to SAE/DOT beam-shape requirements</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3781. 135–154. 1 indexed citations

14.

Shatz, Narkis, John C. Bortz, & Roland Winston. (1998). <title>Nonrotationally symmetric reflectors for efficient and uniform illumination of rectangular apertures</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3428. 176–183. 4 indexed citations

15.

Shatz, Narkis, John C. Bortz, Harald Ries, & Roland Winston. (1997). <title>Nonrotationally symmetric nonimaging systems that overcome the flux-transfer performance limit imposed by skewness conservation</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3139. 76–85. 5 indexed citations

16.

Ries, Harald, Narkis Shatz, John C. Bortz, & W. Spirkl. (1997). <title>Consequences of skewness conservation for rotationally symmetric nonimaging devices</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 3139. 47–58. 5 indexed citations

17.

Bortz, John C., Narkis Shatz, & A. Lewandowski. (1995). <title>Optimal design of irradiance redistribution guides for the National Renewable Energy Laboratory's high-flux solar furnace</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 2538. 157–176. 1 indexed citations

18.

Bortz, John C.. (1984). Wave-front sensing by optical phase differentiation. Journal of the Optical Society of America A. 1(1). 35–35. 16 indexed citations

19.

Bortz, John C. & Brian J. Thompson. (1983). <title>Phase Retrieval By Optical Phase Differentiation</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 351. 71–79. 5 indexed citations

20.

Bortz, John C.. (1971). A New Mathematical Formulation for Strapdown Inertial Navigation. IEEE Transactions on Aerospace and Electronic Systems. AES-7(1). 61–66. 317 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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