Green 10K Long Distance Pointing

[ArcticDude]

Re-visiting 10K location with my 150mW 520nm PLP520 B1 Green Laser & Sanwu X3 Beam Expander.

Target distance 10 700 meters:
















Bridge's H-shape pylon width is 3 meters, so I estimated that green dot is at 10 700 meters is approx 1-1,5meters (One third of pylon width)

:beer:

 

[dden4012]

Wow. How far were you from your tripod for the beam pictures?

 

[ArcticDude]

Wow. How far were you from your tripod for the beam pictures?

Just right next to (few meters).

In first picture you can see faint green line on mid right :yh:

 

[ArcticDude]

Found video from last winter, this is how 520nm PLP520 B1 looks like from 4.5km distance (without Beam Expander):

 

[steve001]

Enjoyed the photos. More please at greater and greater distances.

 

[ArcticDude]

Enjoyed the photos. More please at greater and greater distances.

Thanks! :thanks:

Trying to find locations for even longer distance pointing,

-Although it is quite difficult when you live in country where over 90% area of whole land is forest!

 

[CurtisOliver]

That is no problem if you replant the trees like this.

If your authorities want to know why you want the entire forest replanted like that, just say you have very bad OCD.
Just aim in between the trees.
They can't complain, at least your not chopping a path through the forest.

 

[Cel]

Nice pics! :beer:

 

[ArcticDude]

That is no problem if you replant the trees like this.

If your authorities want to know why you want the entire forest replanted like that, just say you have very bad OCD.
Just aim in between the trees.
They can't complain, at least your not chopping a path through the forest.

:crackup:
Aiming would be too easy, if entire forest would be replanteted like that

 

[CurtisOliver]

If only You could do a laser rainbow. One laser per gap. That would be a pretty awesome shot. :crackup:

 

[Antharak]

Great pics, nice work. +rep

 

[mortuus]

wow nice, but if u didnt use the beam expander how far would it go ? i asume not much ?

 

[ArcticDude]

wow nice, but if u didnt use the beam expander how far would it go ? i asume not much ?

Hard to say, Need to test it out when I next visit that location

 

[plag]

Wow!! I want to do it with my Hercules 700!!

 

[Vxkid]

Nice work. I live in the Redwood forest and a fixed laser looks awesome shooting up these big giants. Problem is getting a crystal on top.

 

[Alaskan]

Very nice, thank you for sharing. I've long wanted to know how that diode performs at distance with a beam expander on it. I did a divergence calculation using the pseudonomen link in my signature and, if I did everything correctly, the divergence comes out to be somewhere from .09 to .14 mRad using the 3X expander, based on having a 1 and 1.5 meter spot at that distance.

pseudonomen137's JScript mRad Calculator