消しょう光こう比ひ

noun

extinction ratio

Technical term in optics and telecommunications, referring to the ratio of optical power levels for binary signals.

• 光ひかり通つう信しんでは、消しょう光こう比ひが高たかいほど信しん号ごう品ひん質しつが良よいとされる。

  In optical communication, a higher extinction ratio is considered to indicate better signal quality.