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+# Disclaimer

+

+## Purpose of Sample Data

+The glass catalogs contained in this directory are provided solely for demonstration, testing, and development purposes. They serve as sample data to ensure functionality of the software tools in this repository and are not intended for production use.

+

+## Copyright Notice

+All glass ctalogs in this directory are sourced from publicly available resources on the internet. All intellectual property rights, copyrights, and other proprietary rights belong to their respective owners and manufacturers. No claim of ownership or copyright is made by this repository's maintainers.

+

+## Usage Limitations

+These sample files are:

+- Not maintained or kept up-to-date.

+- Provided exclusively for testing and validation purposes.

+- Not to be used in commercial applications without proper licensing.

+

+## For Production Use

+Users requiring current glass ctalogs for production applications should:

+1. Contact the original manufacturers directly.

+2. Obtain appropriate licenses as required.

+3. Use the most current versions available from official sources.

+

+## Removal Request

+If you are a copyright holder and wish to have your material removed from this repository, please submit a request to [legal@optics-design.com](mailto:legal@optics-design.com) and it will be promptly addressed.

+

+## Sources

+- [SCHOTT](https://www.schott.com/en-us/products/optical-glass-p1000267/downloads)

+- [CDGM](http://www.cdgmgd.com/?language=zh_US)

+- [OHARA](https://oharacorp.com/glass-catalog/)

+- [HOYA](https://www.hoyaoptics.eu/download-category/downloads)