Opto-Knowledge Systems (United States)

Opto-Knowledge Systems (United States)

Open Access statistics for Opto-Knowledge Systems (United States), United States, covering academic research published from 2000 to 2025.

Open Access statistics for Opto-Knowledge Systems (United States), United States, covering academic research published from 2000 to 2025. Read More.


Open Access Percentage

26%


Total
Publications

77


Total Open
Publications

20


Total
Citations

3K


Open Access
Percentage

26%


Total
Publications

77


Total Open
Publications

20


Total
Citations

3K

Website

download

Breakdown

5% 9% 13% 73%

Publisher Open

5%

Both

9%

Other Platform Open

13%

Closed

73%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

00.511.522.533.544.555.566.57Total Publications
20002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025

Open

Closed

Publisher Open

73%OA Journal

OA Journal 73%

8

Hybrid 18%

2

No Guarantees 9%

1

Other Platform Open

Institution 65%

11

Preprint 41%

7

Domain 41%

7

Other Internet 12%

2

Public 6%

1

Other Platform Locations

Name

Platform Type

Publications

PubMed Central
Domain
7
Office of Scientific and Technical Information
Institution
7
bioRxiv
Preprint
6
doaj.org OAI-PMH Repository
Institution
5
DOI
Other Internet
4
University of Manchester
Institution
2
University of Cambridge
Institution
2
Keele University
Institution
2
California Institute of Technology
Institution
2
California Digital Library
Institution
2
1 / 2

Data updated 12 August 2026

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