Amici prism(redirected from Double Amici prism)
Also found in: Wikipedia.
Amici prism[ə′mēch·ē ‚priz·əm]
A compound prism, used in direct-vision spectroscopes, that disperses a beam of light into a spectrum without causing the beam as a whole to undergo any net deviation; it is made up of alternate crown and flint glass components, refracting in opposite directions. Also known as direct-vision prism.