Microscopy : Superresolved STED SPIM made simple with microchip lasers 


Superresolved optical microscopy (or nanoscopy) can now be highly simplified with microchip lasers.


The development of a stimulated emission depletion (STED) selective plane illumination (SPIM) microscope has been recently reported by LiPHy (University Joseph Fourier, Grenoble). The system is based on a passively Q-switched microchip laser that simultaneously delivers sub nanosecond-pulses at two wavelengths. The two wavelengths, 355nm and 532nm are used to induce excitation and stimulated emission depletion.


Such a microchip-based architecture will be the basis for a low-cost, compact very efficient and simplified STED system.


A funded ANR program led by University Joseph Fourier and including Teem Photonics as a partner for the laser source development is currently bringing new improvements to this method.

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More about this:

STED SPIM made simple, Sheul et al, Optics Express, vol22, issue 25 (2014):
https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-22-25-30852&id=306028

 

ANR funded Nanoscolas program:

http://www-liphy.ujf-grenoble.fr/Le-projet-NANOSCOLAS-ANR-13-NANO

http://www-liphy.ujf-grenoble.fr/Microlaser-bicolore-a-haute


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Partners: 




  • ANR
  • CNRS
  • Université Joseph Fourier
  • Université Grenoble Alpes
  • Université de Strasbourg