[Laser] Paper about "Free-space optical links for space communication networks"

[Chuck Hast]

Paolo,
Thank you for waking it up. And thank you for the document.

Need to get some FSO going back on here again. I think that
there is a lot to do out there.

I am wanting to get back on some FSO stuff that I had stopped
working on.

On Thu, Dec 31, 2020 at 10:54 AM John McNulty <john at generalrobots.com>
wrote:

> Grazie Mille Paolo. ;-)
>
> Good article.
> Hope that the New Year will be better...
> J McN
>
>
> On 31 Dec 2020, at 15:28, Paolo Cravero <paolo.cravero at gmail.com> wrote:
>
> Gentlefolks,
> the list has been silent for a while, so it is time to check if it is still
> working.
>
> Recently I spotted this 66 pages long document about "Free-space optical
> links for space communication networks" (PDF at
> https://arxiv.org/abs/2012.13166). It talks about past, present and future
> of optical communication links. A bit of theory, a bit of math and easy
> graphs, some pictures of real-world applications. I think the booklet is
> also good for the technically inclined newcomers to FSO experiments.
>
> The website linked above ( https://arxiv.org/ )  has a good collection of
> fresh technical papers on many subjects, probably too specific for most
> hobbyists, but that's a good diversion from browsing e-commerce portals :)
>
> Have a nice read,
> Paolo - Italy
>
> PS. The abstract for your convenience:
> "Future spacecraft will require a paradigm shift in the way the information
> is transmitted due to the continuous increase in the amount of data
> requiring space links. Current radiofrequency-based communication systems
> impose a bottleneck in the volume of data that can be transmitted back to
> Earth due to technological as well as regulatory reasons. Free-space
> optical communication has finallyemerged as a key technology for solving
> the increasing bandwidth limitations for space communication while reducing
> the size, weight and power of satellite communication systems, and taking
> advantage of a license-free spectrum. In the last few years, many missions
> have demonstrated in orbit the fundamental principles of this technology
> proving to be ready for operational deployment, and we are now witnessing
> the emergence of an increasing number of projects oriented to exploit space
> lasercommunication (lasercom) in scientific and commercial applications.
> This chapter describes the basic principles and current trends of this new
> technology."
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-- 

Chuck Hast  -- KP4DJT --
I can do all things through Christ which strengtheneth me.
Ph 4:13 KJV
Todo lo puedo en Cristo que me fortalece.
Fil 4:13 RVR1960