TY - GEN
T1 - Multipole expansion for efficient calculation of focal distributions
AU - Sheppard, Colin J.
AU - Torok, Peter
PY - 1996
Y1 - 1996
N2 - There is continued interest in calculation of the electromagnetic field distribution in the focal region of an optical system of high numerical aperture. Important applications include microscopy and optical information storage. Unfortunately direct evaluation of the diffraction integrals is extremely time-consuming. We have developed a new method in which the illumination is expanded in a series of multipole terms, each of which gives rise to a focal field which is an analytic function in three-dimensional space. The electric energy density in the focal region has been calculated for various lens and mirror systems.
AB - There is continued interest in calculation of the electromagnetic field distribution in the focal region of an optical system of high numerical aperture. Important applications include microscopy and optical information storage. Unfortunately direct evaluation of the diffraction integrals is extremely time-consuming. We have developed a new method in which the illumination is expanded in a series of multipole terms, each of which gives rise to a focal field which is an analytic function in three-dimensional space. The electric energy density in the focal region has been calculated for various lens and mirror systems.
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M3 - Conference contribution
AN - SCOPUS:0029758587
SN - 0819421111
SN - 9780819421111
T3 - Proceedings of SPIE - The International Society for Optical Engineering
SP - 630
EP - 633
BT - Proceedings of SPIE - The International Society for Optical Engineering
A2 - Malacara-Hernandez, Daniel
A2 - Acosta, Sofia E.
A2 - Rodriguez-Vera, Ramon
A2 - Malacara, Zacarias
A2 - Morales, Arquimedes A.
T2 - Second Iberoamerican Meeting on Optics
Y2 - 18 September 1995 through 22 September 1995
ER -