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...