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Stay up-to-date with the world's largest collection of research papers in optics and photonics.The SPIE Digital Library provides engineers and scientists with the latest information on light-based technologies. Subscriptions are available for institutions or individuals.



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An institutional subscription to the SPIE Digital Library provides exceptional value to researchers in academic, government, and corporate research environments. The SPIE Digital Library includes journals (about 5% of content) and proceedings (about 95% of content). Institutions can subscribe to the full Digital Library or individual journals. It is not possible to subscribe to a collection of proceedings, but proceedings articles can be purchased individually. Additionally, institutions can subscribe to eBooks. Please note that institutions do not have to subscribe to the Digital Library to subscribe to eBooks. All options are available on the same integrated platform.

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Subscriptions are available at subsidized pricing to two-year colleges, and free of charge to high schools. The program aligns with SPIE's mission to ensure affordable publication access to the greatest number of researchers possible. For more information, please see our press release.


Each Journal paper and Proceedings paper on the SPIE Digital Library is available for single-paper purchase. (For eBooks: only users from subscribing institutions can access eBooks on the SPIE Digital Library platform. Individuals who are not affiliated with subscribing institutions may instead purchase eBooks on However, if you plan on purchasing multiple papers, an individual subscription might be the right choice for you. Individual subscriptions represent a significant savings over single-paper purchases, and SPIE Members save even more. Individual subscriptions are for the sole use of the subscriber and are subject to our Terms of Use.

Individual subscriptions are established by either becoming a SPIE Member or purchasing a download package, as described below:

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Individuals may purchase a download package without a membership. Packages are available for either 50 or 25 download tokens, and are valid for one year. The download tokens may be used for any Journal paper or Proceedings paper.

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