| |||
| λ/4 plate (this is cut to give a phase- retarding effect of exactly a quarter of a wavelength); quarter-wave retardation plate; quarter-wave retarding plate; quarter-wave retarder | |||
| quarter-wavelength plate; quarter-wave plate; Venetian blind | |||
| |||
| λ/4 plate (this is cut to give a phase- retarding effect of exactly a quarter of a wavelength); quarter-wave retardation plate; quarter-wave retarding plate; quarter-wave retarder | |||
| quarter-wavelength plate; quarter-wave plate; Venetian blind | |||
