Figure 7 | Scientific Reports

Figure 7

From: Investigation of return photons from sodium laser beacon excited by a 40-watt facility-class pulsed laser for adaptive optical telescope applications

Figure 7

Images of the sodium LGS and Rayleigh scattering. (a) only Rayleigh scattering when the wavelength of laser prototype is walked away from sodium resonance frequency; (b) sodium LGS occurs when the wavelength of laser prototype is tuned to the sodium resonance frequency; (c) only sodium LGS after eliminating the Rayleigh scattering.

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