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View article: Highly sensitive laser heterodyne radiometer based on a balanced photodetector for carbon dioxide measurement in the atmospheric column
Highly sensitive laser heterodyne radiometer based on a balanced photodetector for carbon dioxide measurement in the atmospheric column Open
An all-fiber coupled laser heterodyne radiometer (LHR), using a wideband tunable external cavity diode laser (1500–1640 nm) as local oscillator laser, was developed for ground-based remote sensing of carbon dioxide. Optimal absorptio…
View article: External-cavity diode laser-based near-infrared broadband laser heterodyne radiometer for remote sensing of atmospheric CO<sub>2</sub>
External-cavity diode laser-based near-infrared broadband laser heterodyne radiometer for remote sensing of atmospheric CO<sub>2</sub> Open
A near-infrared broadband (1500–1640 nm) laser heterodyne radiometer (LHR) with a tunable external-cavity diode laser as the local oscillator is developed and the relative transmittance, which represents the absolute relationship between t…
View article: Few-mode erbium-doped fiber amplifier based on a multi-inclusions core optical fiber
Few-mode erbium-doped fiber amplifier based on a multi-inclusions core optical fiber Open
In this work, we demonstrate and evaluate a new design of micro-structured core erbium-doped few-mode fiber to be used as optical amplifier in the context of mode-division multiplexing. This concept is proposed so as to better control the …
View article: Light Scattering Mechanisms in Few-Mode Fibers
Light Scattering Mechanisms in Few-Mode Fibers Open
International audience
View article: Investigation of the Incorporation of Cerium Ions in MCVD-Silica Glass Preforms for Remote Optical Fiber Radiation Dosimetry
Investigation of the Incorporation of Cerium Ions in MCVD-Silica Glass Preforms for Remote Optical Fiber Radiation Dosimetry Open
The incorporation of Ce3+ ions in silicate glasses is a crucial issue for luminescence-based sensing applications. In this article, we report on silica glass preforms doped with cerium ions fabricated by modified chemical vapor deposition …
View article: Two-step manufacturing of hundreds of meter-long silicon micrometer-size core optical fibers with less than 0.2 dB/cm background losses
Two-step manufacturing of hundreds of meter-long silicon micrometer-size core optical fibers with less than 0.2 dB/cm background losses Open
This work reports on the fabrication and the characterization of hybrid optical fibers with silicon core and silica cladding. Adopting a two-step manufacturing technique derived from the stack-and-draw method, silicon-core fibers with core…
View article: Remote measurements of X-rays dose rate using a cerium-doped air-clad optical fiber
Remote measurements of X-rays dose rate using a cerium-doped air-clad optical fiber Open
Cerium doped silica glasses are attractive materials for radiation dosimetry. In this article, Ce-doped air-clad optical fiber has been fabricated for real-time X-ray dose rate measurements through the radioluminescence (RL) signal. The st…
View article: Hundreds of meter-long low-loss silicon-core optical fiber
Hundreds of meter-long low-loss silicon-core optical fiber Open
International audience
View article: Silicon-core optical fiber with losses below 0.2dB/cm
Silicon-core optical fiber with losses below 0.2dB/cm Open
Silicon-core fibers were drawn into hundreds of meter-long spans. The regular crystalline structure of the core and the absence of oxygen contamination are demonstrated together with loss below 0.2 dB/cm from 1250 to 1650 nm.
View article: Flexible lensless endoscope with a conformationally invariant multi-core fiber
Flexible lensless endoscope with a conformationally invariant multi-core fiber Open
The lensless endoscope represents the ultimate limit in miniaturization of imaging tools: an image can be transmitted through a (multi-mode or multi-core) fiber by numerical or physical inversion of the fiber's pre-measured transmission ma…