What could be the effect of aging in Polarizing Beam Splitters? Is it possible that the Axes for s-polarization and p-polarization change due to some environmental effects on a polarizing beam splitter?

  • $\begingroup$ What do you mean by "aging"? What phenomenon do you actually see? Is it a reduced extinction ratio? I don't see why dielectric properties of the coating will change over time unless there was such high intensity that damages the beamsplitter coating. $\endgroup$ – wcc Jun 6 at 12:51

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