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proper power setting for rgv projector

nkgamer1990

nkgamer1990

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i seem to remember a link for a program that helps find the proper power ratings. gonna be using an sf aw210 an loc and a 50mw greenie
 





Just remember that it isn't the power from your laser modules that you care about. It is the power that is coming from your last galvo mirror. There is a substantial drop in power between there and your laser modules due to optics.
 
personally i would recommend ignoring chroma and buying what ever you can afford.

powers can be adjusted in software afterwards to get the perfect colour match
 
And once again, Andy to the rescue with the right answer! I don't put a lot of stock in Chroma since the idea of proper color balance is highly subjective. Go with what your wallet suggests and tune to your tastes later.
 
lol

no laser outputs its exact stated power, power loss though mirrors, dichros and galvo mirrors - chroma does not take any of this into account.

you also have beam size which i dont think chroma doesnt take into account.


so buy what ever you can afford
 
Chroma is good if you wanna get a rough idea of what you're gonna get, ie, "Hmm, what happens if 532 with a bit of 405 and maybe some 650?" but it wont be the exact same as your laser will output. As everyone else has said, buy whatever you can afford.
 
Chroma is also nice for getting precise luminosity value for different wavelengths. Comparing brightness of 405nm and 450nm diodes for example. :P
 
alright, well i just got some dichros and wanted to know how reflective there supposed to be, i think the ones i have arent ment for the wavelength lasers im using because a pbs cube seems to be more efficient, where do i get good dichros that wont break the wallet.
nick
 
Edmunds Optics has pretty good ones but they cost around $50 a piece. But, good dichros are one of the most important parts of the laser so you need good ones. Bad dichros will severely cut into your laser power and turn a $400 laser into a $100 laser.
 
In the specific case of mixing 660, 532 and 405 you could consider using parts from the PHR803 sled. That contains a combining cube that can be used for mixing 405 and 660, as intended.

It also has a dicro of sorts that reflects 405 and 660 very well at a 45 degree angle, while passing most green coming through at a 90 degree angle. There is some loss with the green, but thats likely to be the color you have more than enough off.
 
yup, what andy said.....

...Photonlexion has the answers to all of your scanner questions. If you want a serious answer I would ask them.


ps-I get my dichros from lasershowparts.com, the best place ;)
 
^^^ :)

ive got dichros from laserwave and edmund optics.

at the end of the day you get what you pay for
 
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