Chris Priest
Active Member
Hi All,
I know this question has already been asked by Peter, but I wanted to ask a couple more things:
I have a 1W DPSS that I have connected to the Red Channel, the neg outputs are tied to ground.
Sometime back I asked about the brightness of the beam and how it related in LD, Bill kindly informed me that the best way to get a brighter beam is to increase the number of points.
Now this worked well, a 100 point beam was considerably brighter, BUT, the voltage output on the Red channel was only about 4v this limits the modulation signal to the laser and I only get about 750mW with a 100 point beam.
I guess the question would be, Bill mentioned that the load on the card needs to be 1k or higher to ensure the output voltage is correct. Is there a way that I can ensure this load is placed across the colour channels so that I can get the maximum modulation level? I do appreciate I will lose some power due to the laser being modulated, but I think losing 250mW is a tad excessive
Best Regards and Thanks
Chris
I know this question has already been asked by Peter, but I wanted to ask a couple more things:
I have a 1W DPSS that I have connected to the Red Channel, the neg outputs are tied to ground.
Sometime back I asked about the brightness of the beam and how it related in LD, Bill kindly informed me that the best way to get a brighter beam is to increase the number of points.
Now this worked well, a 100 point beam was considerably brighter, BUT, the voltage output on the Red channel was only about 4v this limits the modulation signal to the laser and I only get about 750mW with a 100 point beam.
I guess the question would be, Bill mentioned that the load on the card needs to be 1k or higher to ensure the output voltage is correct. Is there a way that I can ensure this load is placed across the colour channels so that I can get the maximum modulation level? I do appreciate I will lose some power due to the laser being modulated, but I think losing 250mW is a tad excessive
Best Regards and Thanks
Chris