POLARIZATION EXTINCTION RATIO
Measurement of samples like laser crystals can be done with a PER (polarization extinction ratio) system. The block diagram of this system shows that both the sample stage and analyzing polarizer are rotated to carry out this measurement of the power drop (in decibels) between the light transmitted when two polarizers are aligned around the sample and when two polarizers are crossed around the sample. The PER is calculated as the ratio of the two values.
Available Instrumentation:
PER/ER Measurement SystemContact Us for more information about PER measurements.
