I'm not a physicist, an EE, but I saw a conference presentation on underwater LIDAR. Talking with the presenter, the silt is a real issue and severally limits

I'm not a physicist, an EE, but I saw a conference presentation on underwater LIDAR. Talking with the presenter, the silt is a real issue and severally limits beam quality and range. Sea water is pretty dirty. https://www.youtube.com/watch?v=TvPOWjF9nEM https://www.youtube.com/watch?v=TvPOWjF9nEM