Mode selection of laser radiation by computer- generated optical elements

M. A. Golub*, I. N. Sisakyan, V. A. Soifer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

New holographical optical elements-modans-are described that are computer-generated and aimed to select modes of laser radiation. Modans are matched with modal spatial configurations and are able to transform the modal-power distribution into the focal-intensity distribution. It is shown that optical systems containing modans are able to measure modal power and phase distribution at the fiber or laser output. Theoretical and experimental results confirm the possibilities of forming coherent beams with required modal compositions by diffractive optical elements. Applications of modans are investigated for fiber-optical sensors of microshifts.

Original languageEnglish
Pages (from-to)341-356
Number of pages16
JournalOptics and Lasers in Engineering
Volume15
Issue number5
DOIs
StatePublished - 1991
Externally publishedYes

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