Plasma Diagnostics - Active Spectroscopy

Active Spectroscopy

Active spectroscopic methods stimulate the plasma atoms in some way and observe the result (emission of radiation, absorption of the stimulating light or others).

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Famous quotes containing the word active:

    “This teaching is not practical in the sense in which the New Testament is. It is not always sound sense in practice. The Brahman never proposes courageously to assault evil, but patiently to starve it out. His active faculties are paralyzed by the idea of caste, of impassable limits of destiny and the tyranny of time.”
    —Henry David Thoreau (1817–1862)