On Sat, 30 Mar 2013 13:46:51 -0400
"jmfranke" <[email protected]> wrote:
> I used UDT PIN10 photodiodes to observe the mode spacings in HeNe lasers.
> The typical mode spacings were around 600 MHz.
This sounds interesting. According to the datasheet i've found,
the PIN10D has a response time of 25ns, which would suggest a maximum
frequency around 40MHz.
How does your circuit look like? How much signal do you get
out of the photodiode?
Attila Kinali
--
The people on 4chan are like brilliant psychologists
who also happen to be insane and gross.
-- unknown
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