Figure 19.
Variation of (n2 − 1)1/2 versus photon energy (hv)2 for the (a) SPMC_0, (b) SPMC_1, and SPMC_2 samples.
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.