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2017•Optics ExpressOpen access

Ptychographic analysis of the photorefractive effect in LiNbO_3:Fe

Constantin Bernert, Robert Hoppe, Felix Wittwer, Th. Woike, Christian G. Schroer

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Abstract

. We show that the light induced refractive index change is strongly connected to the intensity shape of the writing beam and that it shows the expected nonlocal behaviour. Applying the novel method to the investigation of the photorefractive effect offers an excellent opportunity to study this nonlocal response to the spatial distribution of the writing beam.

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What this paper is about

. We show that the light induced refractive index change is strongly connected to the intensity shape of the writing beam and that it shows the expected nonlocal behaviour. Applying the novel method to the investigation of the photorefractive effect offers an excellent opportunity to study this nonlocal response to the spatial distribution of the writing beam.

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OpenAlex reports 11 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

. We show that the light induced refractive index change is strongly connected to the intensity shape of the writing beam and that it shows the expected nonlocal behaviour. Applying the novel method to the investigation of the photorefractive effect offers an excellent opportunity to study this nonlocal response to the spatial distribution of the writing beam.

Key concepts: Photorefractive effect, Optics, Refractive index, Lithium niobate, Materials science, Ptychography, Light intensity, Beam (structure)

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