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.
(Color online) Schematic of PT-OCT setup based on a spectral—domain interferometric configuration with photothermal modulation system. L1-L6, lenses. PC, polarization controller. FC, fiber coupler. DG, diffraction grating. OC, optical circulator. RM, reference mirror. SLD, superluminescent diode. DCM, diachronic mirror. COMP, computer.
