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???
09/17/08 07:25
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#158316 - careful...
Responding to: ???'s previous message
Michael Karas said:

To support a faster switching rate may take more drastic measures. If the laser pointer does indeed have a voltage converter you could investigate the possibility to directly supply the higher voltage right to the LED module and then gate the actual drive to the laser diode on and off from this external voltage rail using a PMOS FET switching circuit.

Michael Karas


From what I remember, aren't laser diodes extremely sensitive to their supplies, and can be popped by tiny transients during switch on ? Caution is required to mess around with the power supply !

Steve



List of 11 messages in thread
TopicAuthorDate
Blinking very fast a green laser pointer            01/01/70 00:00      
   The circuitry probably has a delay...            01/01/70 00:00      
      DAMN POINTER            01/01/70 00:00      
      careful...            01/01/70 00:00      
   Green laser technology            01/01/70 00:00      
      pumped crystal            01/01/70 00:00      
         Doubled lasers            01/01/70 00:00      
   Light modulator            01/01/70 00:00      
      Modulator and Galvo Mechanism            01/01/70 00:00      
         Galvo drivers            01/01/70 00:00      
            I cheated            01/01/70 00:00      

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