High-resolution tomographic interferometry of optical phase elements

Gorski, Witold; Rafler, Stephan

doi:10.1117/12.726103

Cited by 2 publications

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“…Interferometric tomography is the useful technique for determination of internal distribution of refractive index in optical components such as optical fibers, microlenses and many others [1,2,3,4]. However, the method suffers from its limitations due to calculation method based on simplified assumptions.…”

Section: Introductionmentioning

confidence: 99%

Improved microinterferometric tomography method for reconstruction of refractive index

Kniazewski

Kujawińska

2007

SPIE Proceedings

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In this paper we present the improved interferometric tomography method for determination of 3D refractive index distribution. The improvement relies on numerical correction of experimental results obtained for strongly refractive objects based on the a priori, approximate knowledge about the refractive index distribution in the object under test. The complete correction methodology is presented and discussed. The applicability of the method is shown through the numerical simulations of the reconstruction process and the experiments including reconstruction of refractive index distribution in a grin lens.

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Section: Introductionmentioning

confidence: 99%

Improved microinterferometric tomography method for reconstruction of refractive index

Kniazewski

Kujawińska

2007

SPIE Proceedings

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“…It has been proved to be an excellent tool for analyzing n(x,y,z) in of large variety of phase microelements including optical fibers and OF based elements (splices, couplers) [4,5], gradient lenses and waveguides with specially modified refractive index distribution. In this work we apply for the first time interferometric tomography for the reliability studies of optical fibers subjected to gamma radiation.…”

Section: Introductionmentioning

confidence: 99%

Application of microinterferometric tomography as an evaluation tool for phase micro-objects

Kniazewski

Krajewski

Kujawińska

et al. 2005

Eighth International Symposium on Laser Metrology

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Microinterferometric tomography allows for determination of three-dimensional refractive index distributions in phase isotropic microelements. In this paper we present the measurement of the refractive index profile of the optical fibers exposed to the gamma radiation. Nuclear radiation is known to affect the guiding properties of optical fibers and it is therefore essential to characterize these effects to assess the applicability of fiber-optic technology for communication and sensing in nuclear industry. It is already well known that radiation affects the absorption of the fiber. Here, we investigated whether we could quantify the effect of radiation on the refractive index of core and cladding of an optical fiber.

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High-resolution tomographic interferometry of optical phase elements

Cited by 2 publications

References 0 publications

Improved microinterferometric tomography method for reconstruction of refractive index

Improved microinterferometric tomography method for reconstruction of refractive index

Application of microinterferometric tomography as an evaluation tool for phase micro-objects

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