[Laser] Re: A lot but very little

[Tim Toast]

hi Chuck

have you looked at the Ronja pages?
http://ronja.twibright.com/

It gets 10Mbs with LED's. Maybe there's some helpful
info there. 

> From: "Chuck Hast" <wchast at gmail.com>
> 
> I have been able to move data at up to 9k6 b/s but I
> can do much better
> than that with RF.
> 
> I have also been able to get my lasers to generate
> data at up to that
> speed but when I try to go much higher it appears
> that something is
> slowing things down. The test transmit end is a
> laser pointer, I opened
> it up and found that it is a regulated one, I went
> in and used a VN10
> to key the laser, but still can not get it to switch
> faster than about 9k6.
> 
> It appears that the rise time is good, but the shut
> off time is ramped
> down. But that maybe a artifact of my reciever, but
> again I am not
> sure, I have tried a switched LED, and it appears to
>  track the led
> while it is switched at up to 38k4.
> 
> Any good recommendations for power users?
> 


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