This article is cited in 15 papers

Laser applications

Control of focusing properties of diffraction elements

I. V. Minin, O. V. Minin


Abstract: A study is made of control of focusing by diffraction elements using an additional degree of freedom. The example of an element with a ring pulsed response is used to show that the problem of synthesis of the phase structure of an element does not have a unique solution and that selection of the nature of the solution can be used to alter the energy distribution function in a given focusing region.

UDC: 681.7.06:535.12

PACS: 42.60.Jf, 42.79.-e

Received: 16.06.1989

 English version: Soviet Journal of Quantum Electronics, 1990, 20:2, 198–199

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