re long distance ir detection jvannes vms macc wisc edu writes you are probably referring to the products of opto diode corp mitchell road newbury park ca the make some amazing irled s the really high powered devices are arrays of or led s on a to header the chip model puts out watts in response to a amp us pulse at a duty cycle i think these are designed as illuminators for ir vision systems yeah that s the guys i would also be interested in the application here i work with a dance and technology program and want to build something to track dancers on a foot wide stage from feet away yeah that sounds a lot like lasertag anyway duane
