Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2014 May 9;21(Pt 4):815–818. doi: 10.1107/S1600577514005852

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© A. Rack et al. 2014

This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.

PMC Copyright notice

Comparison of the brilliance (top) and coherent fraction of photons (bottom) between a conventional U22 ESRF undulator (existing lattice) and the recently developed cryogenic permanent-magnet undulator U14.5 (anticipated new lattice).