Sensor for monitoring the vibration of a laser beam based on holographic polymer dispersed liquid crystal films

Li, Ming Shian; Wu, Shu‐Chen; Fuh, Andy Ying–Guey

doi:10.1364/oe.18.026300

Cited by 20 publications

(13 citation statements)

References 15 publications

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“…Moreover the velocity of surface changes and the diffusion of the monomer inside the layer can be fitted too using the method described in [1,2]. The many applications of such free-radical photopolymer materials [8][9][10][11][12] make the analysis of the diffusion process very interesting.…”

Section: Introductionmentioning

confidence: 99%

Characterization and comparison of different photopolymers for low spatial frequency recording

et al. 2015

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a b s t r a c tFree-radical photopolymer materials can be fabricated using a wide range of monomers, binders, dyes, etc. It was shown that in some photopolymers the surface and the internal diffusion for acrylamide materials are very different and also it was demonstrated the viability of acrylamide materials to achieve 2p phase depth for low spatial diffractive optical elements. Building on the work developed previously, in this paper, a characterization and a comparison is carried out for three different photopolymers: crosslinked acrylamide based photopolymers, a biophotopol and an H-PDLC material. We have measured the motion of the components inside the material and through the surface using a new index matching component and through the surface. We have studied the introduction of different crosslinkers in order to increase the refractive index modulation and to reduce the thickness required to achieve a phase depth higher than 2p in the diffraction optical elements.

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Section: Introductionmentioning

confidence: 99%

Characterization and comparison of different photopolymers for low spatial frequency recording

et al. 2015

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“…As a new type of electrooptical material, holographic polymer-dispersed liquid crystal (H-PDLC) has many potential applications in optical communications, flat panel displays, information storage, and integrated optics [7][8][9][10][11][12][13]. A number of practical and effective instruments have been fabricated based on the unique characteristics of H-PDLCs such as optical attenuator, holographic zoom lens, and holographic volume gratings [14][15][16][17][18][19][20]. Two coherent recording beams create a sinusoidal interference optical pattern, which leads to periodic phase separation between prepolymer monomers and liquid crystal (LC).…”

Section: Introductionmentioning

confidence: 99%

FDTD Modelling of Silver Nanoparticles Embedded in Phase Separation Interface of H‐PDLC

Gui

Jiao

Wang

et al. 2015

Journal of Nanomaterials

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We report localized surface plasmon resonance (LSPR) of silver nanoparticles (NPs) embedded in interface of phase separation of holographic polymer-dispersed liquid crystal (H-PDLC) gratings using Finite-Difference Time Domain method. We show that silver NPs exhibit double resonance peak at the interface, and these peaks are influenced by the angle of incident light. We observe a blue shift of the wavelength of resonance peak as the incident angle increases. However, the location of silver NPs at the interface has nearly no effect on the wavelength of resonance peak. Also we show near-field and far-field properties surrounding silver NPs and find that field distribution can be controlled through rotation of incident angle. Therefore, LSPR properties of silver NPs within H-PDLC gratings can be excited by appropriate wavelength and angle of the incident light.

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“…Therefore, the grating develops a dynamic behavior that may be modified by means of an electronic device. In this manner, it is possible to make dynamic devices such as tunable-focus lenses, sensors, phase modulators or prism gratings [1][2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Influence of a bleaching post-exposure treatment in the performance of H-PDLC devices with high electric conductivity

et al. 2014

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Downloaded From: http://proceedings.spiedigitallibrary.org/ on 11/13/2014 Terms of Use: http://spiedl.org/termsThe papers included in this volume were part of the technical conference cited on the cover and title page. Papers were selected and subject to review by the editors and conference program committee. Some conference presentations may not be available for publication. The papers published in these proceedings reflect the work and thoughts of the authors and are published herein as submitted. The publisher is not responsible for the validity of the information or for any outcomes resulting from reliance thereon.Please use the following format to cite material from this book:Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.orgPaper Numbering: Proceedings of SPIE follow an e-First publication model, with papers published first online and then in print and on CD-ROM. Papers are published as they are submitted and meet publication criteria. A unique, consistent, permanent citation identifier (CID) number is assigned to each article at the time of the first publication. Utilization of CIDs allows articles to be fully citable as soon as they are published online, and connects the same identifier to all online, print, and electronic versions of the publication. SPIE uses a six-digit CID article numbering system in which:The first four digits correspond to the SPIE volume number. The last two digits indicate publication order within the volume using a Base 36 numbering system employing both numerals and letters. These two-number sets start with 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 0A, 0B … 0Z, followed by 10-1Z, 20-2Z, etc.The CID Number appears on each page of the manuscript. The complete citation is used on the first page, and an abbreviated version on subsequent pages. Numbers in the index correspond to the last two digits of the six-digit CID Number. Proc. of SPIE Vol. 9286 928601-2 Downloaded From: http://proceedings.spiedigitallibrary.org/ on 11/13/2014 Terms of Use: http://spiedl.org/terms T H U R S D A Y P O S T E R S E S S I O N 4WReinforced adaboost face detector using support vector machine 9286 4X Resolution analysis in computational imaging with patterned illumination and single-pixel detection [9286-117] 9286 4Z Design and optimization of a spectrometer for spectral domain optical coherence tomography [9286-167] 9286 50 Experimental research of methods for clustering and selecting image fragments using spatial invariant equivalent models [9286-238] 9286 54 SLM-based optical simulator for dynamic speckle analysis [9286-123] 9286 58 Optical non-invasive 3D characterization of pottery of pre-colonial Paranaiba valley tribes [9286-219] 9286 5B Fill-factor and performance optimization in bulk-heterojunction organic solar cells [ 9 2 8 6 -1 6 2 ] 9286 5C Influence of a bleaching post-exposure treatment in the performance of H-PDLC devices with high electric conductivity [9286-97] F R . 1 . A 9286 5I On the impact of fiber-delay-lines (FDL) in an all-...

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Sensor for monitoring the vibration of a laser beam based on holographic polymer dispersed liquid crystal films

Cited by 20 publications

References 15 publications

Characterization and comparison of different photopolymers for low spatial frequency recording

Characterization and comparison of different photopolymers for low spatial frequency recording

FDTD Modelling of Silver Nanoparticles Embedded in Phase Separation Interface of H‐PDLC

Influence of a bleaching post-exposure treatment in the performance of H-PDLC devices with high electric conductivity

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