Paper
9 February 2009 Development of a ion-exchanged glass integrated optics DFB laser for a LIDAR application
Lionel Bastard, Jean-Emmanuel Broquin, Florent Gardillou, Cedric Cassagnettes, Jean-Pierre Schlotterbeck, Philippe Rondeau
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Abstract
In this paper, we present the development of a laser source for a LIDAR application. This sensor is proposed as a standby instrument to provide a way to measure some aircraft air data such as the air speed. Although such systems already exist, none of them are based on an optical measurement. Thus, the use of a LIDAR would provide a backup channel with different failure modes than existing systems. Our LIDAR system allows determining the air speed through Doppler measurement at a wavelength of 1.55 µm on aerosol particles present around the aircraft. The core of this device is a glass integrated optics continuous DFB laser. Its performances in term of single-frequency, stability, noise and linewidth are assessed in order to ensure the correct operation of the LIDAR system.
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Lionel Bastard, Jean-Emmanuel Broquin, Florent Gardillou, Cedric Cassagnettes, Jean-Pierre Schlotterbeck, and Philippe Rondeau "Development of a ion-exchanged glass integrated optics DFB laser for a LIDAR application", Proc. SPIE 7218, Integrated Optics: Devices, Materials, and Technologies XIII, 721817 (9 February 2009); https://doi.org/10.1117/12.811881
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KEYWORDS
Sensors

LIDAR

Glasses

Waveguides

Atmospheric particles

Doppler effect

Phase shifts

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