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Re: narrow (<20ns) pulses from a 5$ red laser poin Concerning the pulsed laser. I will be setting it up again. I am curently working on some other stuff. changes -- I am shopping the used market for pulse generators in the < 5ns range (so we'll see what those cheapo pointers will do). I was...

Re: narrow (<20ns) pulses from a 5$ red laser poin I can take some pics of the laser, fcn generator, and scope in action -- but give me a couple of days. I took apart the setup (we used those components to measurte the speed of light) and my students are presently using the function generator...

Greetings: I was wondering if anyone had tried pulsing the cheapo 650nm red laser pointers ( 5 dollar variety). Recently I took a hacksaw and cut a red laser pointer case near the spring (terminal). I hooked the case to ground and the spring to the + output of an agilent 33220A fcn generator...