Pics from 6-13-18

[LewDude]

Another Mirror Setup:wave:. A few with prisms involved.

Wavelengths in play (maximum 1 of each; not every wavelength in every picture):
650nm
520nm
488nm
405nm

:beer:

A shot to see what the setup looks like:
IMAG3176 by Lewie Wilkinson, on Flickr

IMAG3089 by Lewie Wilkinson, on Flickr

IMAG3102 by Lewie Wilkinson, on Flickr

IMAG3118 by Lewie Wilkinson, on Flickr

IMAG3172 by Lewie Wilkinson, on Flickr

IMAG3206 by Lewie Wilkinson, on Flickr

IMAG3215 by Lewie Wilkinson, on Flickr

IMAG3198 by Lewie Wilkinson, on Flickr

IMAG3188 by Lewie Wilkinson, on Flickr

IMAG3190 by Lewie Wilkinson, on Flickr

IMAG3146 by Lewie Wilkinson, on Flickr

IMAG3134 by Lewie Wilkinson, on Flickr

 

[Encap]

Great pics once again--getting better and better at it. :gj:

 

[Gazen]

Love the 488/650 pics

 

[brucemir]

Thats alot of beams bouncing around, great shots!

 

[paul1598419]

Nice beam shots there, Lew. Very busy looking. I really like the 488nm one, if that is what the light blue one is. I really like that wavelength. Have had it in argon for awhile, but got one of the first Sharp diode ones.

 

[LewDude]

Great pics once again--getting better and better at it. :gj:

Thanks, Encap!

Love the 488/650 pics

I do, too! I think that combo was the best out of all these.

Thats alot of beams bouncing around, great shots!

Thanks, Bruce!

Nice beam shots there, Lew. Very busy looking. I really like the 488nm one, if that is what the light blue one is. I really like that wavelength. Have had it in argon for awhile, but got one of the first Sharp diode ones.

Gotta love that diode!! I'm so happy its around for all of us!

 

[Alaskan]

Am I seeing what I think in one of those photo's? A beam entering the mirror trap but not leaving?

 

[LewDude]

Am I seeing what I think in one of those photo's? A beam entering the mirror trap but not leaving?

Infinite-beam?? Which one? Probably hit the 'pedestal' under one of the angled mirrors and terminated there.

 

[Alaskan]

I thought the first photo, blue lasers. I wonder if that is possible?

 

[LewDude]

Ah, yes - I think its hitting the top-left pedestal.

Interesting point, though. I often do get into some divergence/focusing issues when the beam reflects back/forth enough (if I contain it well enough, it can start to get LONG). I've contemplated somehow using a beam combiner that would let me shine the source through it, and then end up in the 'loop' and passing the beam back through it - creating a bit of an endless loop in the process. I am curious what would 'end' the beam 1st: divergence and/or power loss after reflecting many times. I'm afraid most of my setups are not precise enough, and I haven't made the investment into a optical breadboard and compnents...BUT I'm going to have to try this, regardless !!!

 

[ArcticDude]

Nice work Dude!!
:beer:

 

[RB astro]

Wow, what a setup Lew....
Very nice work mate.

+reps when I'm allowed.

RB

:beer:

 

[paul1598419]

Of course if you allow your reflection to persist long enough, divergence will become an issue eventually. You can combine them all using dichromatic mirrors, but that would take an optical bench setup to accomplish. This is necessary to get the alignment as close as possible.