and focused onto a sample with a high NA objective lens of an inverted microscope (IX-81, Olympus Inc.). The half wave plate and the Glan-laser polarizer allow control of power and polarization. Two ...

This microscope uses a high-intensity Prior Scientific Lumen 200Pro 200-watt metal halide lamp, motorized filter wheels with Chroma and Semrock optical filters, a Prior Scientific H117 motorized, ...