An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Chen PC, Lin HH, Chen CH, Lee CH, Lu MH.Chen PC, et al. Among authors: chen ch.Opt Express. 2010 Jan 18;18(2):645-55. doi: 10.1364/OE.18.000645.Opt Express. 2010.PMID: 20173884Free article.
Bowen TA, Bale SD, Chandran BDG, Chasapis A, Chen CHK, Dudok de Wit T, Mallet A, Meyrand R, Squire J.Bowen TA, et al. Among authors: chen chk.Nat Astron. 2024;8(4):482-490. doi: 10.1038/s41550-023-02186-4. Epub 2024 Jan 23.Nat Astron. 2024.PMID: 38659611Free PMC article.