Vol. 5, issue 11, article # 11

pdf Zhiliba A. I. Signal-to-noise ratio in a coherent lidar with an intracavity detection of return signals using an Nd3+:YAG laser. Theory. // Atmospheric and oceanic optics. 1992. V. 5. No. 11. P. 761-763.
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Abstract:

Sensitivity of a coherent lidar with an Nd3+:YAG laser used both as a source of sounding radiation and as a resonance nonlinear amplifier of a weak return signal modulation is investigated. It is shown that an essential (up to four orders of magnitude) increase in the sensitivity can be expected by using this method of return signal detection compared to a direct detection.