Holographic nanoparticle-polymer composites based on step-growth thiol-ene photopolymerization

Hata, Eiji; Mitsube, Ken; Momose, Keisuke; Tomita, Yasuo

doi:10.1364/ome.1.000207

Cited by 74 publications

(77 citation statements)

References 39 publications

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“…Optical shrinkage is accompanied by Bragg angle detuning as a result of altered grating constants or modified refractive index. The Bragg selectivity, however, determines the optical functionality [13,20]. Preliminary results suggest, that a constant functionality beyond high volume stability can be realized by means of an increase of the average refractive index, compensating the impact of mechanical shrinkage associated with photo-induced crosslinking [13].…”

Section: Introductionmentioning

confidence: 99%

Spatially Resolved Analysis of Bragg Selectivity

Sabel¹

2015

Applied Sciences

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This paper targets an inherent control of optical shrinkage in photosensitive polymers, contributing by means of spatially resolved analysis of volume holographic phase gratings. Point by point scanning of the local material response to the Gaussian intensity distribution of the recording beams is accomplished. Derived information on the local grating period and grating slant is evaluated by mapping of optical shrinkage in the lateral plane as well as through the depth of the layer. The influence of recording intensity, exposure duration and the material viscosity on the Bragg selectivity is investigated.

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Section: Introductionmentioning

confidence: 99%

Spatially Resolved Analysis of Bragg Selectivity

Sabel¹

2015

Applied Sciences

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“…In particular volumetric deformations may cause a Bragg angle detuning by means of altered grating constants with the result of a disturbed selectivity and optical functionality. [12] As a consequence, many efforts are made to reduce shrinkage as an undesired side effect in terms of advanced material compositions, [9,13,14] special material processing [15] or by means of incorporation of inorganic substances. [16,17] Cationic ring-opening polymerization (CROP) systems show some advantages compared with the freeradically polymerizing materials.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Bragg Angle Shift in the Course of Volume Hologram Formation

Sabel

Zschocher²

2013

Materials Research Letters

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Real-time investigation of Bragg angle shift during volume hologram formation is presented in an organic cationic ring-opening polymerization material. Positive as well as negative values of optical shrinkage are found, assumedly related to mechanical deformations of the volume and a change of the average refractive index, respectively. Ruled by the interplay of polymerization and diffusion, the originate grating formation mechanisms prove to represent competing effects regarding the contribution to the optical shrinkage. The influence of sample preparation and holographic exposure procedure on the effects observed is investigated and the usability for minimization of total Bragg resonance detuning is considered.

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“…Фо-тоиндуцированное изменение показателя преломления составляло n = 1 · 10 −2 при экспозиции 15 mJ/cm 2 [76]. В качестве наночастиц использовались квантовые точки CdSe/ZnS [77].…”

Section: O O Ohunclassified

Современное Состояние Разработки Светочувствительных Сред Для Голографии (Обзор)

Барачевский¹

2018

Журнал Технической Физики

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Holographic nanoparticle-polymer composites based on step-growth thiol-ene photopolymerization

Cited by 74 publications

References 39 publications

Spatially Resolved Analysis of Bragg Selectivity

Spatially Resolved Analysis of Bragg Selectivity

Dynamic Bragg Angle Shift in the Course of Volume Hologram Formation

Современное Состояние Разработки Светочувствительных Сред Для Голографии (Обзор)

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