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  1. No Access

    Article

    Morphological recognition with the addition of multi-band fluorescence excitation of chlorophylls of phytoplankton

    The recognition of aquatic organisms plays a crucial role in the monitoring of the pollution and for the adoption of rapid preventive actions. A compact microscopic optical imaging system is proposed in order ...

    M. Lauffer, F. Genty, S. Margueron, J. L. Collette in Photosynthetica (2017)

  2. No Access

    Article

    Robust design of Si/Si3N4 high contrast grating mirror for mid-infrared VCSEL application

    A Si/Si3N4 high contrast grating mirror has been designed for a VCSEL integration in mid-infrared (λ = 2.65 μm). The use of an optimization algorithm which maximizes a VCSEL mirror quality factor allowed the adju...

    C. Chevallier, N. Fressengeas, F. Genty, J. Jacquet in Optical and Quantum Electronics (2012)

  3. No Access

    Article

    Optimized sub-wavelength grating mirror design for mid-infrared wavelength range

    Several designs of sub-wavelength grating mirrors adapted to mid-infrared operation are reported with several percents of tolerance for the grating fabrication. These designs have been automatically optimized ...

    C. Chevallier, N. Fressengeas, F. Genty, J. Jacquet in Applied Physics A (2011)

  4. No Access

    Article

    Low Temperature Transparent ITO-based Contacts for Mid-IR Applications

    In this work, thin films of Indium Tin Oxide (ITO)-based materials were tested as potential candidates for mid-IR transparent contacts on Te-doped GaSb and Si-doped InAs semiconductor wafers. Since these conta...

    F. Genty, S. Margueron, S. Ould Saad Hamady, J. C. Petit… in MRS Online Proceedings Library (2011)

  5. No Access

    Chapter

    VCSELs Emitting in the 2–3 µm Wavelength Range

    In this chapter, we tried to give a precise picture of the current state of the art of VCSEL technology in the 2–3 µm spectral range. We described classical microcavities but also structures with external-cavi...

    F. Genty, A. Garnache, L. Cerutti in Mid-infrared Semiconductor Optoelectronics (2006)

  6. No Access

    Article

    Pdlc-Based Device for Optical Limiting

    The scattering properties of polymer dispersed liquid crystal (PDLC) composites are studied and applied to optically addressed devices for the protection against continuous wave laser. The geometry of the devi...

    P. Feneyrou, F. Genty, E. Chastaing, P. Le Barny… in MRS Online Proceedings Library (1999)