Improved microinterferometric tomography method for reconstruction of refractive index

Kniazewski, Pawel; Kujawińska, Małgorzata

doi:10.1117/12.726123

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…This remark is confirmed by tomographic measurement of the microtip inner structure according procedures described before [14,20,21]. As an example, the results of the tomographic measurements of the microtip shown in Fig.…”

Section: Microtips On Single Mode Optical Fiberssupporting

confidence: 57%

Polymer Microtips Fabricated at the Extremity of Photonic Crystal Fibers

Pura¹,

Szymanski²,

Wiśniowski³

et al. 2013

JMSE-B

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Abstract:In this paper, a simple method of manufacturing micrometer-sized polymer elements (microtips) at the extremities of the photonic crystal fibers (PCFs), which are replacing standard optical fibers in many applications due to their unique properties, is presented. The method of microtips fabrication is based on the phenomena of photopolymerization, which is successfully used by the first time, to be best of our knowledge, to manufacture microtip at PCF. The three component photopolymerizable formulation consists of photo-initiating system and multifunctional triacrylate. The photopolymerization is carried out by green laser with the microtip growth controlled by the light exposure parameters (i.e. power and time). Results of microtip fabrication on standard fiber (SMF-28e+) and large mode area PCF (LMA-10) are provided. Theinfluence of the initial process parameters on the final microtip characteristics (i.e., length, diameter and profile) is discussed. The potential applications of such polymer microtips are near-field scanning optical microscopy, coupling light sources with fibers and sensing.

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Section: Microtips On Single Mode Optical Fiberssupporting

confidence: 57%

Polymer Microtips Fabricated at the Extremity of Photonic Crystal Fibers

Pura¹,

Szymanski²,

Wiśniowski³

et al. 2013

JMSE-B

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“…The experimental setup for phase data capture (Fig.5) is based on the Mach-Zehnder interferometer supported by computer controlled unit and ultrafine rotation stage, while the tomographic reconstruction is realized by means of filtered backprojection as reported in [12,14,15]. The beam produced by He-Ne laser (= 632.8 nm) is introduced into a beam expander system (BE) to obtain plane wave front.…”

Section: Interferometric Tomographymentioning

confidence: 99%

Interferometric and tomographic investigations of polymer microtips fabricated at the extremity of optical fibers

Kujawińska

Parat²,

Dudek

et al. 2012

SPIE Proceedings

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In this paper we present a simple method of manufacturing micrometer-sized polymer elements at the extremity of both single mode and multimode optical fibers and its possible modifications in order to provide requested functionalities. We show that the knowledge about 3D distribution of refractive index and birefringence in these elements is required and that interferometric and elastooptics tomography are the methods which provide these data. Exemplary polymer microtips manufactured from the polymeric material with different concentration of heptafluorobutyric acid are investigated in tomographic systems and the obtained results are discussed in reference to the theoretically expected refractive index distributions.

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