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2019 Journal Citation Reports® Data for OSA Journals

OSA is proud that its collection of 15 flagship, partnered and co-published peer-reviewed journals continues to publish the most articles (32%) and receive the most citations (40%) in the field of optics and photonics.

The JCR includes an EigenfactorTM Score for each journal. OSA's Optics Express, Optics Letters and Applied Optics are among the top five journals in the Optics category based on Eigenfactor. See more information about Eigenfactor in the Journal Metrics section below.

Journal 2018 Impact Factor 2018
Total
Citations		 2018
Eigenfactor Score		 Rank by Impact Factor Rank by Total Cites Rank by Eigenfactor Google Scholar h5-index
Adv Opt Photon

 13.963 2494 0.00523 3 47 42
Optica

 9.263 7232 0.03618 4 27 6 76
Photonics Research

 5.522 2267 0.00607 9 50 39 36
J Lightwave Technol+

 4.162 24277 0.03206 13 6 8 78
Biomed Opt Express++

 3.910 9547 0.02175 15 22 11 57
Opt Lett

 3.866 70631 0.09298 16 3 4 80
Opt Express

 3.561 115635 0.17335 20 2 1 99
J Opt Commun Netw+++

 3.093 2662 0.00464 23 45 44 38
Opt Mater Express^

 2.673 5968 0.01310 35 32 25 41
J Opt Soc Am B

 2.284 13522 0.01420 43 13 24 39
Appl Optics

 1.973 49871 0.03630 47 4 5 46
Chin Opt Lett

 1.907 2616 0.00397 51 46 46 22
J Opt Soc Am A

 1.861 14988 0.00940 52 10 29 35
J Opt Soc Korea

 0.632 500 0.00070 86 78 77 11
Curr Opt Photonics^^

 0.573 59 0.00010 88 95 94 5
J Opt Technol

 0.517 899 0.00067 90 63 79 12

+The Journal of Lightwave Technology (JLT) is also included in the Engineering, Electrical & Electronic category. Its 2018 ranking in that category are #51 of 265 journals by Impact Factor and #21 by Total Cites. In addition, it is listed in the Telecommunications category, where it is ranked #17 out of 88 journals by Impact Factor and #5 by Total Cites.
++Biomedical Optics Express is also included in the Biochemical Research Methods category. Its 2018 rankings in that category are #12 of 79 journals by Impact Factor and #27 by Total Cites. In addition, it is listed in the Radiology, Nuclear Medicine & Medical Imaging category, where it is ranked #22 out of 129 journals by Impact Factor and #22 by Total Cites.
+++The Journal of Optical Communications and Networking (JOCN) is also included in the Computer Science, Hardware & Architecture category. Its 2018 rankings in that category are #12 of 52 journals by Impact Factor and #19 by Total Cites. In addition, it is listed in the Computer Science, Information Systems category, where it is ranked #42 out of 155 journals by Impact Factor and #43 by Total Cites. Finally, JOCN is also listed in the Telecommunications category, where it is ranked #31 out of 88 journals by Impact Factor and #36 by Total Cites.
^Optical Materials Express is also included in the Materials Science, Multidisciplinary category. Its 2018 ranking in that category is #122 of 293 journals by Impact Factor and #104 by Total Cites.
^^Current Optics and Photonics, formerly the Journal of the Optical Society of Korea, published by the Optical Society of Korea and available on OSA Publishing, was launched in February 2017.
NOTE: Applied Spectroscopy (AS), published by the Society of Applied Spectroscopy and available on OSA Publishing, has a 2018 Impact Factor of 2.064. It is included in the Spectroscopy category with rankings of #19 out of 41 journals by Impact Factor, #9 by Total Cites, and #13 by Eigenfactor score. In addition, it is listed in the Instruments and Instrumentation category, where it is ranked #28 out of 61 journals by Impact Factor, #16 by Total Cites, and #24 by Eigenfactor score.
NOTE: Journal of Near Infrared Spectroscopy (JNIRS), published by SAGE Publishing and available on OSA Publishing, has a 2018 Impact Factor of 1.200. It is included in the Spectroscopy category with rankings of #29 out of 41 journals by Impact Factor, #31 by Total Cites, and #36 by Eigenfactor score. In addition, it is listed in the Chemistry, Applied category, where it is ranked #49 our of 71 journals by Impact Factor, #45 by Total Cites, and #52 by Eigenfactor score.

Journal Metrics

  1. Overview

    There are many different journal evaluation metrics produced by several companies, each using different sets of data and time periods for their calculations. Most metrics, and all the metrics discussed below, focus on value for scientific and academic research (citations) and do not take into account other ways content is used (e.g. industrial and commercial applications). The below guide is meant to help authors and readers better understand some of the common metrics used to evaluate journal content.

  2. Clarivate Analytics's Journal Citation Reports (JCR) Metrics:

    Date range: varies

    Data source: journals indexed in Clarivate Analytics's Web of Science.

    1. Impact Factor: A metric meant to indicate the number of times the "average" article in the journal is cited. This number is the most widely used metric to evaluate a journal's content. The metric is based on citations in a particular year to articles published over the previous two years. An example of how an Impact Factor is calculated is below.

      Source: Clarivate Analytics Journal Citation Reports—Optics Express 2012 Impact Factor calculation
    2. Total Citations: This is the number of total citations in a given year to all content ever published in a specific journal.
    3. Immediacy Index: a measure of how quickly the "average article" in a journal is cited. The Immediacy index will tell you how often articles published in a given year are cited within the same year.
    4. Cited Half-life: This figure is the median age of the articles cited in the given year. For example, in JCR 2012, Optics Letters has a cited half-life of 6.5 years. That means that articles published in Optics Letters between July 2006 and December 2012 account for 50% of all citations to Optics Letters articles in 2012.
    5. Eigenfactor Score: a metric based on the number of times articles from the journal published in the past five years have been cited in the current year, but it also considers which journals have contributed these citations so that highly cited journals will influence the network more than lesser cited journals. References from one article in a journal to another article from the same journal are removed, so that Eigenfactor Scores are not influenced by journal self-citation.
    6. Article Influence: determines the average influence of a journal's articles over the first five years after publication. It is calculated by dividing a journal's Eigenfactor Score by the number of articles in the journal, normalized as a fraction of all articles in all publications. The mean Article Influence Score is 1.00. A score greater than 1.00 indicates that each article in the journal has above-average influence. A score less than 1.00 indicates that each article in the journal has below-average influence.

  3. Google Scholar Metrics:

    Date range: articles published between 2014 and 2018 and citations as of July 2019.

    Data source: all articles indexed in Google Scholar.

    1. h-index: The h-index of a publication is the largest number h such that at least h articles in that publication were cited at least h times each. For example, a publication with five articles cited by, respectively, 17, 9, 6, 3, and 2, has the h-index of 3.
    2. h-core: The h-core of a publication is a set of top cited h articles from the publication. These are the articles that the h-index is based on. For example, the publication above has the h-core with three articles, those cited by 17, 9, and 6.
    3. h-median: The h-median of a publication is the median of the citation counts in its h-core. For example, the h-median of the publication above is 9. The h-median is a measure of the distribution of citations to the articles in the h-core.
    4. Finally, the h5-index, h5-core, and h5-median of a publication are, respectively, the h-index, h-core, and h-median of only those of its articles that were published in the last five complete calendar years.
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