Retardation plate (λ/4 platelet) made of plastic foil, rotatable on a ball-bearing in a holder on a stem. With an angle scale possessing 1° increments.
Aperture: 38 mm Ø
Retardation: λ/4 at 560 nm
Height of the optical axis: 150 mm
Holder: 100 mm Ø
Stem: 10 mm Ø
Overview of all experiments in which the product is used