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.
Sha WE, Choy WC, Wu Y, Chew WC.Sha WE, et al. Among authors: chew wc.Opt Express. 2012 Jan 30;20(3):2572-80. doi: 10.1364/OE.20.002572.Opt Express. 2012.PMID: 22330495Free article.
Sha WE, Choy WC, Chew WC.Sha WE, et al. Among authors: chew wc.Opt Lett. 2011 Feb 15;36(4):478-80. doi: 10.1364/OL.36.000478.Opt Lett. 2011.PMID: 21326428Free article.
Liu YG, Choy WC, Sha WE, Chew WC.Liu YG, et al. Among authors: chew wc.Opt Lett. 2012 Jun 1;37(11):2112-4. doi: 10.1364/OL.37.002112.Opt Lett. 2012.PMID: 22660138
Sha WE, Meng LL, Choy WC, Chew WC.Sha WE, et al. Among authors: chew wc.Opt Lett. 2014 Jan 1;39(1):158-61. doi: 10.1364/OL.39.000158.Opt Lett. 2014.PMID: 24365847