A chain-source-scaling scan varies the source intensity across three rows at a fixed two-stage polarizer chain, checking that the transmitted output scales in step with the source through the fixed chain factor row by row. The arithmetic is exact only for the stated source intensities, polarizer chains, and rows in the ideal lossless-polarizer model. Real measurements add bandwidth, alignment, detector calibration, polarizer extinction ratio, material dispersion/loss, finite precision, and measurement uncertainty.
A fixed two-stage polarizer chain scales with source intensity. Exact arithmetic here means exact results for the stated model inputs; measured inputs still carry uncertainty and significant-figure limits.
highlighted = computed this step
The same two-stage chain scales with source intensity
The first stage is aligned and the second stage is the same slanted polarizer in every row, so changing the source changes every stage.
Sa=25Sb=25Sc=25(53)2=9
The same two-stage chain scales with source intensity
The first stage is aligned and the second stage is the same slanted polarizer in every row, so changing the source changes every stage.
Sa=50Sb=50Sc=50(53)2=18
The same two-stage chain scales with source intensity
The first stage is aligned and the second stage is the same slanted polarizer in every row, so changing the source changes every stage.