Determinations of the photorefractive parameters of Bi12GeO20 crystals using transient grating analysis期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Determinations of the photorefractive parameters of Bi12GeO20 crystals using transient grating analysis

Affiliation:	1. Department of Physics, Middle East Technical University, 06800 Ankara, Turkey;2. Department of Electrical and Energy, Ahi Evran University, Kirsehir 40100, Turkey;3. Department of Electrical and Electronics Engineering, Atilim University, 06836 Ankara, Turkey;4. Department of Physics, Karamanoglu Mehmetbey University, Karaman 70100, Turkey;1. Department of Electrical and Electronics Engineering, Atilim University, 06836, Ankara, Turkey;2. Department of Physics, Middle East Technical University, 06800, Ankara, Turkey

Abstract:	A method to characterize the photorefractive parameters of Bi₁₂GeO₂₀ crystal is described. An analysis of the transient photoinduced grating under an external applied electric field allows to determine both the diffusion length and the Debye's screening length which are the important parameters for device applications.

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