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  1. AU="Blanche, Pierre-Alexandre"
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  1. Book ; Online: Photoactive Materials: Synthesis, Applications and Technology

    Blanche, Pierre-Alexandre

    2021  

    Keywords Research & information: general ; Technology: general issues ; faraday rotator material ; optical isolator ; transparent ceramics ; photopolymerizable ; thiol-ene network ; scratch-healing ; transparent ; dyeing ; unsaturated polyester resin ; azobenzene ; hologram ; aqueous dispersion ; plasmonic nanoparticles ; nonlinear acousto-optics ; nanofluids ; ultrasonic sensors ; silicon photonics ; optical waveguide ; smectic A liquid crystal (SALC) ; stimulated light scattering (SLS) ; holography ; photochromism ; diarylethenes ; refractive index ; CGH ; magnetic-optical bi-functional materials ; hydrothermal process ; down-conversion luminescence ; Na3FeF6:Tb3+ ; magnetic-luminescent structure ; hybrid system ; ternary quantum dots ; magnetic nanoparticles ; iron oxide ; calcium carbonate microspheres ; sensor ; nanoparticles ; silica shells ; metal nanoparticles ; gold-silver nanoshells ; core-shell nanoparticles ; magneto-optics ; mcd ; faraday rotation ; figure of merit ; polarization ; oxygen plasma treatment ; photopolymer ; temperature ; CTE ; thermal degradation ; hexagonal boron nitride ; photoluminescence ; cerium ; anti-counterfeiting ; crystals ; n/a
    Size 1 electronic resource (178 pages)
    Publisher MDPI - Multidisciplinary Digital Publishing Institute
    Publishing place Basel, Switzerland
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021291159
    ISBN 9783036509594 ; 3036509593
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article ; Online: Towards a modular and scalable holographic display.

    Blanche, Pierre-Alexandre

    Light, science & applications

    2022  Volume 11, Issue 1, Page(s) 100

    Abstract: Holographic three-dimensional (3D) display can be made very large using a modular system that allows seamless spatial tiling of multiple coarse integral holographic images. ...

    Abstract Holographic three-dimensional (3D) display can be made very large using a modular system that allows seamless spatial tiling of multiple coarse integral holographic images.
    Language English
    Publishing date 2022-04-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 2662628-7
    ISSN 2047-7538 ; 2047-7538
    ISSN (online) 2047-7538
    ISSN 2047-7538
    DOI 10.1038/s41377-022-00786-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Special Issue: Photoactive Materials: Synthesis, Applications and Technology.

    Blanche, Pierre-Alexandre

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 3

    Abstract: The science of light-matter interaction is one of the greatest accomplishment of the past 100 years [ ... ]. ...

    Abstract The science of light-matter interaction is one of the greatest accomplishment of the past 100 years [...].
    Language English
    Publishing date 2021-01-27
    Publishing country Switzerland
    Document type Editorial
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14030585
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Holographic curved waveguide combiner for HUD/AR with 1-D pupil expansion.

    Draper, Craig T / Blanche, Pierre-Alexandre

    Optics express

    2022  Volume 30, Issue 2, Page(s) 2503–2516

    Abstract: We are presenting the optical ray tracing as well as an experimental prototype of a curved waveguide combiner with pupil expansion for augmented reality (AR) and mixed reality (MR) glasses. The curved waveguide combiner takes advantage of holographic ... ...

    Abstract We are presenting the optical ray tracing as well as an experimental prototype of a curved waveguide combiner with pupil expansion for augmented reality (AR) and mixed reality (MR) glasses. The curved waveguide combiner takes advantage of holographic optical elements both for injection and extraction of the image to correct the aberrations introduced during the propagation of light inside the waveguide. The holographic curved combiner presented has a cylindrical outer radius of curvature of 171.45 mm with a field of view of 13° (H) × 16° (V) at a viewing distance of 1 cm with a 5 × horizontal 1 dimension pupil expansion for an eyebox of 6.2 mm × 42.7 mm.
    Language English
    Publishing date 2022-02-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.445091
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Advanced volume holographic filter to improve the SNR of polychromatic sources in a noisy environment.

    Alcaraz, Pedro Enrique / Blanche, Pierre-Alexandre

    Optics express

    2021  Volume 29, Issue 2, Page(s) 1232–1243

    Abstract: We present a new type of filter that improves the SNR of systems where polychromatic signal and noise are located at different distances within the same line of sight. The filter is based on holographic technology that allows for the discrimination of ... ...

    Abstract We present a new type of filter that improves the SNR of systems where polychromatic signal and noise are located at different distances within the same line of sight. The filter is based on holographic technology that allows for the discrimination of wavefronts by range. In using a combination of two holographic elements, a pre-disperser and a thick volume hologram, we were able to significantly increase the spectral bandwidth of the filter, from 9nm without the pre-disperser to 70nm with both holographic elements. Laboratory proof of concept demonstrated that such a filter is capable of an SNR improvement of 15 dB for a monochromatic source, and up to 7.6 dB for a polychromatic source. This filter can find applications in astronomic observation, satellite or space debris tracking, and free-space optical communication.
    Language English
    Publishing date 2021-01-18
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.414217
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Examining aberrations due to depth of field in holographic pupil replication waveguide systems.

    Draper, Craig T / Blanche, Pierre-Alexandre

    Applied optics

    2021  Volume 60, Issue 6, Page(s) 1653–1659

    Abstract: Pupil expansion using waveguide propagation and pupil replication has been a popular method of developing head-up displays and near-to-eye displays. This paper examines one of the limits of pupil replication, which involves projecting images at a finite ... ...

    Abstract Pupil expansion using waveguide propagation and pupil replication has been a popular method of developing head-up displays and near-to-eye displays. This paper examines one of the limits of pupil replication, which involves projecting images at a finite distance through a single waveguide by holographic optical elements and seeing the image doubling artifact. A Zemax model and a demonstrator were developed to determine the cause of image doubling. A relationship between the designed outcoupled image distance of a waveguide, pupil size, optical path length, and angle of image doubling is established. In waveguide pupil replication, the internally propagating light should be close to collimated to mitigate image doubling. We also provide a solution to project the image at different distances, which is an important factor for some applications, such as automotive head-up display and the seamless integration of augmented reality information with the natural environment.
    Language English
    Publishing date 2021-03-07
    Publishing country United States
    Document type Journal Article
    ISSN 1539-4522
    ISSN (online) 1539-4522
    DOI 10.1364/AO.417756
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Digital Holography and 3D Imaging: introduction to the joint feature issue in Applied Optics and Journal of the Optical Society of America A.

    Blanche, Pierre-Alexandre / Cheng, Chau-Jern / Ferraro, Pietro / Zhang, Yaping / Wang, Zhehui Jeph

    Journal of the Optical Society of America. A, Optics, image science, and vision

    2024  Volume 41, Issue 3, Page(s) DH1

    Abstract: The Optica Topical Meeting on Digital Holography and 3D Imaging (DH) was held 14-17 August 2023 in Boston, Massachusetts. The meeting was organized co-jointly with the Optica Imaging Congress. Feature issues based on the DH meeting series have been ... ...

    Abstract The Optica Topical Meeting on Digital Holography and 3D Imaging (DH) was held 14-17 August 2023 in Boston, Massachusetts. The meeting was organized co-jointly with the Optica Imaging Congress. Feature issues based on the DH meeting series have been released by Applied Optics (AO) since 2007. Since 2017, AO and the Journal of the Optical Society of America A (JOSA A) have presented a feature issue in each journal. This feature issues includes 17 papers in AO and 9 in JOSA A. Together they cover a large range of topics, reflecting the rapidly expanding techniques and applications of digital holography and 3D imaging. The upcoming DH Conference (DH 2024) will be held from 3 to 6 June in Paestum, Italy.
    Language English
    Publishing date 2024-03-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 283633-6
    ISSN 1520-8532 ; 1084-7529 ; 0740-3232
    ISSN (online) 1520-8532
    ISSN 1084-7529 ; 0740-3232
    DOI 10.1364/JOSAA.521716
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.B 2689: Show issues Location:
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    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  8. Article ; Online: Digital Holography and 3D Imaging 2023: introduction to the joint feature issue in Applied Optics and Journal of the Optical Society of America A.

    Blanche, Pierre-Alexandre / Cheng, Chau-Jern / Ferraro, Pietro / Zhang, Yaping / Wang, Zhehui Jeph

    Applied optics

    2024  Volume 63, Issue 7, Page(s) DH1

    Abstract: The Optica Topical Meeting on Digital Holography and 3D Imaging (DH) was held 14-17 August 2023 in Boston, Massachusetts. The meeting was organized co-jointly with the Optica Imaging Congress. Feature issues based on the DH meeting series have been ... ...

    Abstract The Optica Topical Meeting on Digital Holography and 3D Imaging (DH) was held 14-17 August 2023 in Boston, Massachusetts. The meeting was organized co-jointly with the Optica Imaging Congress. Feature issues based on the DH meeting series have been released by Applied Optics (AO) since 2007. Since 2017, AO and the Journal of the Optical Society of America A (JOSA A) have presented a feature issue in each journal. This feature issues includes 17 papers in AO and 9 in JOSA A. Together they cover a large range of topics, reflecting the rapidly expanding techniques and applications of digital holography and 3D imaging. The upcoming DH Conference (DH 2024) will be held from 3 to 6 June in Paestum, Italy.
    Language English
    Publishing date 2024-03-04
    Publishing country United States
    Document type Journal Article
    ISSN 1539-4522
    ISSN (online) 1539-4522
    DOI 10.1364/AO.521715
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Bandwidth optimization for the Advanced Volume Holographic Filter.

    Enrique Alcaraz, Pedro / Nero, Gregory / Blanche, Pierre-Alexandre

    Optics express

    2022  Volume 30, Issue 1, Page(s) 576–587

    Abstract: The high angular and spectral selectivity of volume holograms have been used in fields like astronomy, spectroscopy, microscopy, and optical communications to perform spatial filtering and wavefront selection. In particular, imaging systems that utilize ... ...

    Abstract The high angular and spectral selectivity of volume holograms have been used in fields like astronomy, spectroscopy, microscopy, and optical communications to perform spatial filtering and wavefront selection. In particular, imaging systems that utilize volume holograms to perform range-based wavefront selection have allowed for the potential to have full 24-hour observational custody of artificial satellites by enabling daytime observations. We previously introduced the Advanced Volume Holographic Filter (AVHF) which demonstrated a significant system bandwidth improvement while maintaining high angular selectivity. Presented here is a theoretical basis for maximizing the bandwidth of the AVHF systems. We experimentally demonstrate an improvement of 40.7-41.4x compared to the un-optimized AVHF systems.
    Language English
    Publishing date 2022-02-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.444101
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Review of Organic Photorefractive Materials and Their Use for Updateable 3D Display.

    Blanche, Pierre-Alexandre / Ka, Jae-Won / Peyghambarian, Nasser

    Materials (Basel, Switzerland)

    2021  Volume 14, Issue 19

    Abstract: Photorefractive materials are capable of reversibly changing their index of refraction upon illumination. That property allows them to dynamically record holograms, which is a key function for developing an updateable holographic 3D display. The ... ...

    Abstract Photorefractive materials are capable of reversibly changing their index of refraction upon illumination. That property allows them to dynamically record holograms, which is a key function for developing an updateable holographic 3D display. The transition from inorganic photorefractive crystals to organic polymers meant that large display screens could be made. However, one essential figure of merit that needed to be worked out first was the sensitivity of the material that enables to record bright images in a short amount of time. In this review article, we describe how polymer engineering was able to overcome the problem of the material sensitivity. We highlight the importance of understanding the energy levels of the different species in order to optimize the efficiency and recording speed. We then discuss different photorefractive compounds and the reason for their particular figures of merit. Finally, we consider the technical choices taken to obtain an updateable 3D display using photorefractive polymer. By leveraging the unique properties of this holographic recording material, full color holograms were demonstrated, as well as refreshing rate of 100 hogels/second.
    Language English
    Publishing date 2021-10-04
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma14195799
    Database MEDical Literature Analysis and Retrieval System OnLINE

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