The institute
FEMTO's news

You are here

Micro-soufflage de verre pour la réalisation de composants optiques miniatures

A team of researchers from FEMTO-ST has developed miniature conical lenses by revisiting glass-blowing techniques practiced since Roman times.

For centuries, glass blowing is, indeed, a technique for making  glass parts in volume. A FEMTO-ST research team recently applied it on a microscopic scale to collectively produce a particular optical component, a miniature axicon, on the same substrate.

This component is in fact a conical microlens whose profile allows to generate quasi-Bessel beams, that is to say non-diffracting beams. This allows to create a miniature light saber or a light needle.

In an article published on June 25, 2019 in Optics Letters (and selected by the Optical Society of America in its News Releases), researchers presented a technique for manufacuring miniature axicons based on glass blowing. from structured micro-cavities in a silicon substrate and sealed with a glass substrate. When the stack is highly heated, the expansion of the trapped gas, combined with the drop in  glass viscosity, forms bubbles used as pistons to generate and control a profile on the opposite side of the glass substrate. Once the pistons removed by polishing, hundreds of axicons can be obtained on the same substrate. Robust, they are destined to be integrated in more complex microsystems for medical imaging or in the extension of machining performance.

“Microscopic Glass Blowing Used to Make Tiny Optical Lenses”, Optics Letters News, June 2019. https://www.osa.org/en-us/about_osa/newsroom/news_releases/2019/microscopic_glass_blowing_used_to_make_tiny_optica/

Article: J. V. Carrión, J. Albero, M. Baranski, C. Gorecki, N. Passilly, “Microfabrication of axicons by glass blowing at a wafer-level,” Opt. Lett., 44, 13, 3282-3285 (2019).         
DOI: https://10.1364/OL.44.003282.

More informations : Nicolas Passily

  • Two ERC Grants for FEMTO-ST Institute in 2011

    Prof John DUDLEY & Dr Yanne CHEMBO from the Optics Depmarment of FEMTO-ST Institute (UMR 6174 CNRS-Université de Franche-Comté) have both received a financial Grant from the European Research Council (ERC) to support the top level scientific excellence of their research projects

    Read more
  • Michel planat makes the Insights News of the Journal of Physics A: Mathematical and Theoretical

    Michel Planat's Insights news article "Quantum computing with Riemann hypothesis" is now available on the journal's website and can be viewed at http://iopscience.iop.org/1751-8121/labtalk-article/45421. This news article is based on the recent paper published by the Journal of Physics A: Mathematical and Theoretical.

    Read more
  • Summer school in Microrobotics and Self-assembly for hybrid MEMS

    The general context of the summer school concerns the micromanipulation and assembly of such complex microsystems. From the state-of-the-art, integration technologies for heterogeneous microsystems are based on Microrobotics or Self-assembly approaches.

    Read more
  • 4M conference 2010

    Co-organized by FEMTO-ST, 4 M conference will take place in Oyonnax (France) from November 17th to 19th.

    Read more
  • d-MEMS 2010 – Besançon June 28-29th

    FEMTO-ST and LIFC organize the 1 st workshop on design, control & software implementation for distributed MEMS

    Read more
  • Vehicular Power Propulsion Conference - Lille 2010

    FEMTO-ST co-organize The 2010 IEEE Vehicle Power and Propulsion Conference (VPPC) in Lille
    For more informations : http://vppc2010.univ-lille1.fr/

    Read more
  • Conference 'Seizing the Opportunity in Nano-Photonics'

    A conference concerning Photonics will take place in FEMTO-ST on Friday 3rd of April at 2pm.

    Read more
  • Best Poster Award: Younes Makoudi@Elecmol08

    Younes Makoudi, PhD@FEMTO-ST, won the best poster award during the Elecmol08 international conference in Grenoble on December 12 (www.elecmol.com). The aim of his work is the adsorption of functional molecules on surfaces which plays a vital role in the emerging field of nanoelectronics.

    Read more
  • The Nanosciences group selected by Omicron for their Result of the Month

    Omicron, a private company that manufactures surface tunneling microscopes (STM), has selected a paper of the Nanosciences group that recently appeared in Physical Review Letters as its Result of the Month for October 2008.

    Read more
  • Clinical Proteomics in Oncology

    The French Institute of Cancer (Canceropole Grand-Est) and the CLIPP Proteomic Platform (Dijon, Besançon) organize the 2nd international conference entitled "Clinical Proteomics in Oncology" in Dijon (France) on July 3rd and 4th , 2008.

    Read more

Pages