Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

Buy Site Supporter Role (remove some ads) | LPF Donations

Links below open in new window

FrozenGate by Avery

8 diode 445 build






Benm said:
Thats defintely true with these line shaped laser outputs, the mirrors would have to have an edge in the horizontal plane that does the knife edging, so they'd need different mouting systems. I'm not sure that that would require the unit to be larger though.
Click to expand...

the raw beams from olike lens are 5mm high by 1mm wide

so if you knife edge them the other way round they would be ---- so 20mm long.

it just wouldnt work
 
I know everyone is throwing out the compliments but they are well deserved!

Nice builds Andy!!!
I always love seeing the precision that your builds entail! They always inspire me for builds, I just wish I had the machining shop you had. :beer: :kewlpics::gj:
 
andy_con said:
the raw beams from olike lens are 5mm high by 1mm wide

so if you knife edge them the other way round they would be ---- so 20mm long.

it just wouldnt work
Click to expand...

I thought of something different: having the mirrors come from the bottom or top instead of from the side. That way you could make the exact same pattern as you currently do, but 90 degrees rotated.

Perhaps its an idea to try on a future build, it also negates the need for a waveplate.
 
trust me the the ive done it is the best way ;)

I always love seeing the precision that your builds entail! They always inspire me for builds, I just wish I had the machining shop you had.
Click to expand...

i also wish i had a machining shop, i have a small bottom of the range milling machine in a garage
 
andy_con said:
trust me the the ive done it is the best way ;)



i also wish i had a machining shop, i have a small bottom of the range milling machine in a garage
Click to expand...

LOL...well I guess even a garage would be a good start for me;)
Nice work with what you have then!!
 
Wide beams are generally beneficial for laser show applications, since the goal is to have them seen. You usually want as large of a beam diameter as you can get without exceeding what your galvo mirrors can handle without losses. Laser shows usually don't need 'perfect' beams either which is why setups like this work quite well.
 
qumefox said:
Wide beams are generally beneficial for laser show applications, since the goal is to have them seen. You usually want as large of a beam diameter as you can get without exceeding what your galvo mirrors can handle without losses. Laser shows usually don't need 'perfect' beams either which is why setups like this work quite well.
Click to expand...

sorry but very very wrong.

a very tight ting 500mw beam will look just as bright as a wide fan 1watt beam.

if you know anything about lasers then you only want tight beams for laser shows.
 
My experience, albeit quite limited as it may be, is that wider lower divergent beams work better. But i'll bow to your more extensive experience.
 
You do know we're arguing over millimeters here right? I said not big enough to cause losses off the galvo mirrors... which aren't very large. :D Or at least haven't been on any decent speed scanning set i've seen.
 
Last edited:
lol yes we are arguing over mm.

coherent modules have the most amazing beams youve ever seen 10watts of green in like a 2mm beam. but they are £20k a pop
 
You must log in or register to reply here.


Back
Top