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hello, i hope everyone is doing great. i have some qustions concerning flash papers : i know that IR laser are the most invisible but what is the the least visible beam that can burn a black colored flash paper/ match? dose the laser frequency has an impact of the out put power to burn a black...

i really appreciate your respond my friend , i also don't want any one to get hurt, thats why im insesting at 50 cm as a maximum distance, and i will be glad if it is possible to do this project with a 5 mw laser diode , i'm open for your suggestion my friend if you have any ideas. (im...

thank you so much guys for your answers, it really helps, i will be so greatful if you can sugget for me some laser diodes with a focuse lence than can make this project possible .

thank you so much my friend for your reply, i'm planning in using it for foam cutting idea , the foam is a black colored thus it will absorbe so much light that will cause it to burn fastly. it would be great if you could suggest for me a sources to get some IR filter lenses, and some glases...

thank you so much my friend for your answer, so the 9v dc battery will not ruin my laser diode even if the diode functions on a lower voltage like 3v or 5v ?

thank you so much my friend for your reply, no not yet i havent found one, i need it to be a burning IR laser ponter diode at 50cm maximum. i need some guidence in building this project.

hello guys, im a new member in this forum, i need your suggestion about the things i need to make a small laser project. the project is : ( an IR (800-950 nm) (=<500 mw) burning laser diod ----attached to--- a DC remote controle switch =<12v ---- attacher to a 9 v battery) - i need the laser...