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.
Schematic diagram of instrumental setup for Brillouin spectroscopy. The heated iodine cell served as an ultra-narrow notch filter. Abbreviations: PBS – polarizing beamsplitter, obj. – 20x objective lens, λ/2 – half-wave plate and λ/4 – quarter-wave plate.
