ocdb
Optical constants for elements and various materials in the EUV and VUV wavelengths.
Welcome! This is ocdb, a Python package for easily accessing the X-ray/EUV/VUV scattering and absorption data contained in the Optical Constants Database (OCDB) provided by the German National Metrology Institute, the Physikalisch-Technische Bundesanstalt, PTB.
Features
A list of (planned) features:
Access to X-ray/EUV/VUV scattering and absorption coefficients (n and k)
Interface compatible to the periodictable Python package
Provides data and uncertainties
FAIR and linked data: citable, reliable, and reproducible
Offline access: data contained in package
Community-driven: easy to contribute
And to make it even more convenient for users and future-proof:
Open source project written in Python (>= 3.9)
Developed fully test-driven
Extensive user and API documentation
Installation
To install the ocdb package on your computer (sensibly within a Python virtual environment), open a terminal (activate your virtual environment), and type in the following:
pip install ocdb
License
This program is free software: you can redistribute it and/or modify it under the terms of the GPLv3 License. See the file LICENSE for more details.
Metadata
Release files for ocdb 0.2.1
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| ocdb-0.2.1.tar.gz | 102.7 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| ocdb-0.2.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 215.4 kB
Release files / ocdb-0.2.1.tar.gz
| Download URL | ocdb-0.2.1.tar.gz |
|---|---|
| Size | 102.7 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
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twine/6.1.0 CPython/3.13.7
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Transparency logRelease files / ocdb-0.2.1-py3-none-any.whl
| Download URL | ocdb-0.2.1-py3-none-any.whl |
|---|---|
| Size | 112.7 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
8f7ed1928660fc4e79354876f908a227be49ee8354401d019db5c484caacf512
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BLAKE2b-256 checksum How to use checksums |
77d569758bf1d5e62a47cd6724eac7acee7a2a184d687dcb84a4c74f841271b9
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| Upload date | |
|
Uploaded using Trusted Publishing? What is trusted publishing? |
Yes |
| Uploaded via |
twine/6.1.0 CPython/3.13.7
|
Provenance
Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.
PyPI Publish Attestation
PyPI verified that this artifact, at this checksum, originated from the publisher listed below.
Signed by GitHub Actions, verified by PyPI on Jan 26, 2026.
Transparency log