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Portail > Offres > Offre UMR7249-HERRIG-009 - H/F Chercheur en instrumentation optique

M/F Researcher in optical instrumentation

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mardi 12 juillet 2022

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General information

Reference : UMR7249-HERRIG-009
Workplace : MARSEILLE 13
Date of publication : Tuesday, June 21, 2022
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 3 October 2022
Proportion of work : Full time
Remuneration : between 2743 and 3896 Euros (Brut salary)
Desired level of education : 5-year university degree
Experience required : 1 to 4 years

Missions

Subject : LENSLESS ENDOSCOPY
Fresnel Institute - Marseille - France
Description of the activity :
TITLE: Lensless endoscopy is a research field that aims at developing a miniature endoscope whose distal diameter is limited by the size of the optical fiber (~300 microns). This technology has been developed at the Fresnel Institute (Marseille - France) since 2013 and uses a wavefront modulator that is able to control the phase of the light injected into each of the single mode cores of a multi-core fiber. This makes it possible to focus the light at the end of the fiber and scan a sample to obtain an image while no optics are present at the end of the fiber. Such an endoscope has applications in the field of neuroscience to study the activity of neurons in deep areas (>1mm) of the brain, areas that are not accessible by any other imaging tool.
The goal of the research program is (1) to further develop the lens-free endoscope(2) to apply the technology to the study of deep brain activity in the awake mouse.

Activities

The activity will concern the development of the lensless endoscope from experimental and computational sides. It will consist in conducting wavefront control experiments to realize 2photon fluorescence images using special multi-core fibers (tapered fibers, twisted fibers...) and to develop algorithms to process and optimize the images.
We will also seek to implement the lensless endoscope in awake mouse brains to image neuron activity in deep brain areas.

Skills

Expertise in experimental optics, opto-electronics
Expertise in signal processing, computational optics

Work Context

The work will be carried out in an optical room equipped with opto-electronics and lasers

Constraints and risks

laser risks

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