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iv seen rogs small spirograph in the tutorial section and i want to make one. i havnt seen too many specific tutorials on the subject, so i wanted to ask, anything specific to know about, any perticualr build. what i found so far is that u should use surface reflective mirrors like acrylic...

i was watching tv and saw how plasma can be effected by magnets, n it got me thinking. are lasers effected in anyway by magnets? i thought if it was u could use them to compress multiple beams togther for a more powerful laser? im no physisit and im not taking phycics for a while (my english...

im prity new to lasers so sorry in advance. Iv read around the forums and i would like to start on a blu ray laser as soon as my red one is done, just need a module which is in the mail atm =/. i just wanted to ask if this would be an ok build for a burning blu laser. using a LD from a PHR-803T...

does the location of the switch matter? im working on my first laser and i would like to know. on the ddl driver post it says to put it between the lm317 and the +terminal

this is my first laser project and well i messed up my first 2 LDs from my first 2 dvd burners, but now out of bordem i took apart my old samsung dvd player and got the LD out of that but iv never seen a 4 pronged LD b4 and cant find any information on it any help would be nice.