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Abstract
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| We present the design of an all-semiconductor laser source for an Integrated Path Differential Absorption (IPDA) lidar system for the measurement of atmospheric CO2. The source consists of two InGaAsP/InP monolithic Master Oscillator Power Amplifiers (MOPAs), providing the ON and OFF wavelengths. Each MOPA consists of a frequency stabilized Distributed Feedback (DFB) master oscillator, a modulator section, and a tapered amplifier. The DFB emission is tuned and stabilized by an offset locking technique. The complete system architecture as well as our investigation on the spectral requirements of the source for achieving the required accuracy in CO2 concentration are also presented. | |
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International
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Si |
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Congress
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II International Conference on Applications of Optics and Photonics (AOP14) |
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960 |
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Place
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Aveiro, Portugal |
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Reviewers
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Si |
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ISBN/ISSN
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978-989-98032-6-8 |
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Start Date
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26/05/2014 |
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End Date
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30/05/2014 |
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From page
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58 |
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To page
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58 |
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II International Conference on Applications of Optics and Photonics (AOP14) |