Special types are covered in depth, including apodized gratings for suppressing spectral sidelobes, chirped gratings for dispersion compensation and pulse stretching, tilted gratings to create notch filters,.
[pdf] A high-occupancy toll lane (HOT lane) is a type of or that is available to and other exempt vehicles without charge; other vehicles are required to pay a that is adjusted in response to demand. Unlike, drivers have an option to use general purpose lanes, on which a fee is not charged. Express toll lanes, which are less common, operate along similar lines, but.
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