The Strehl ratio for focusing into biaxially birefringent media with small birefringence is investigated. An analytical expression for the Strehl ratio as a function of the polarization and birefringence parameters is derived in the paraxial limit from a generalization of the scalar aberration theory. The expression agrees well with results of a numerical calculation.
© 2004 Optical Society of America
Sjoerd Stallinga, "Strehl ratio for focusing into biaxially birefringent media," J. Opt. Soc. Am. A 21, 2406-2413 (2004)