5.2µs-response variable focal-length lenses using KTa1-xNbxO3 crystals

Electro-optic crystals are promising candidates for materials used for variable focal-length lenses because they exhibit fast responses. Variable focal-length lenses fabricated using EO lead-lanthanum zirconate-titanate (PLZT). However, when used as cylindrical lenses, they suffer from intrinsic inh...

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Bibliographic Details
Main Authors: Imai, T., Yagi, S., Toyoda, S., Miyazu, J., Sasaura, M., Naganuma, K.
Format: Conference Proceeding
Language:English
Subjects:
Anodes
Electrodes
Laser beams
Lenses
Nonlinear optics
Optical refraction
Optical variables control
Photonic crystals
Refractive index
Voltage
Online Access:Request full text
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Summary:Electro-optic crystals are promising candidates for materials used for variable focal-length lenses because they exhibit fast responses. Variable focal-length lenses fabricated using EO lead-lanthanum zirconate-titanate (PLZT). However, when used as cylindrical lenses, they suffer from intrinsic inhomogeneity as regards focal length. In this paper, we propose KTa 1-x Nb x O 3 (KTN) lenses that do not suffer from this inhomogeneity because of their different geometry. We also discuss basic properties of the lenses including time responses.
DOI:10.1109/CLEOE-EQEC.2009.5196512