Recent content by dragonarm

thank you for your help guys...

i know that can be done but i do not want to focus the beams each-time(for different distances). can a solution to this be obtained through basic ray optics of light fot LASER too? i mean refraction through a prism, T.I.R etc...

hey i am a total newbie and a beginner in science well i want to know if the following can be done:-:-p i have a number of laser diodes form dvd drives... is there a possible or a certain arrangement of prisms , lenses and mirrors that can be made in order to combine numerous less intense...