quarter-wave plate
Word Rarity
Uncommon
Frequency: Zipf frequency 4.15 in modern English
33
Scrabble Score
16
Letters
4
Syllables
10
Unique Chars
Meaning
noun
A sheet of birefringent material whose thickness is such that the light associated with the larger refractive index is retarded in phase by 90° with respect of that associated with the smaller refractive index; used to convert linearly polarized light into circularly polarized light.