Adjustable half-wave plate.
An adjustable construction of a half-wave plate is described. The device consists of three birefringent plates with arbitrary thicknesses. Owing to the variable angles between the optical axes of these plates, it could be easily adjusted to a different wavelength of laser radiation.
M Y
MY
Darsht
I V
IV
Goltser
N D
ND
Kundikova
B Y
BY
Zel'dovich