干かん渉しょう性せい

noun, noun which may take the genitive case particle 'no'

coherence

Technical term used in physics and related fields to describe the property of waves (light, sound, etc.) maintaining a fixed phase relationship.

• レーザー光こうは干かん渉しょう性せいが高たかい。

  Laser light has high coherence.

• 干かん渉しょう性せいのない光こう源げんでは、干かん渉しょう縞じまは観かん測そくしにくい。

  With an incoherent light source, interference fringes are difficult to observe.