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Pico 2 raster pattern

I am exploring the possibility of using a pico 2 projector to variably switch on and off an array of photoconductive cells. From what I have read, the refresh rate of the pico is certainly fast enough. My question, though, is this: when a pixel is on, will light continuously stream until it is turned off, or does the light follow a raster pattern such that light only falls on each pixel once every cycle? If the default light source does not illuminate the entire mirror array simultaneously, would it be possible to use a different light source that would illuminate the entire array all of the time (this can be done in monochrome)? I need the light intensity on a given pixel to be as constant as possible over time.

 

  • Hello Nick,

    The entire array is illuminated simultaneously and the switching of individual pixels is what determines the on/off state.  The LED duty cycle is determined by the Display Mode selected – please see page 17 of the Programmer’s Guide (reference document DLPU002A) for details on the duty cycles.  

    I’m glad to hear you are considering the Pico2 for your application, please let me know if you have additional questions.

    Regards,

    Raul

  • Thanks very much, Raul.