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From: Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net>
Newsgroups: sci.electronics.design
Subject: Re: modulator box
Date: Sat, 14 Sep 2024 18:04:42 -0000 (UTC)
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john larkin <JL@gct.com> wrote:
> On Sat, 14 Sep 2024 05:56:24 GMT, Jan Panteltje <alien@comet.invalid>
> wrote:
> 
>> On a sunny day (Fri, 13 Sep 2024 09:11:52 -0700) it happened john larkin
>> <JL@gct.com> wrote in <uqo8ej5a4nae7qj1m3uij37q67mb5ho75u@4ax.com>:
>> 
>>> 
>>> https://www.ebay.com/itm/266499095322
>>> 
>>> It's 49% off! And even more off from the original price.
>>> 
>> 
>> What does it do?
> 
> Generates an arbitrary waveform when triggered, and drives a 2-stage
> e/o modulator that was mounted inside. It was used in the NIF fusion
> system.
> 
> I'm sure the e/o modulator is not inside that one; it's too valuable. 
> 
> https://www.dropbox.com/scl/fi/820yum03ge45k0c80buwn/nif-1201-04100_18.jpg?rlkey=3ijtvb3bxmc9c4a9ealpcwffk&raw=1
> 
> https://www.dropbox.com/scl/fi/0b8ltf1hresx8gtfpds25/DSCN0100.JPG?rlkey=qsejza658v8uc9aae6hvh2hnj&raw=1
> 
> 
> We made the arb waveform by summing 120 Gaussian impuses spaced 250 ps
> apart. You can see the Gibbs Ears in the white waveform.
> 
> https://www.dropbox.com/scl/fi/5qf0c0y0627agx4wnwwim/Waffle.gif?rlkey=e8cgrnjli3e5d55wlt4unxjix&raw=1
> 
> World-class to e-waste in about 20 years.
> 
> 

What’s the wavelength? I might be interested. 

Cheers 

Phil Hobbs 

-- 
Dr Philip C D Hobbs  Principal Consultant  ElectroOptical Innovations LLC /
Hobbs ElectroOptics  Optics, Electro-optics, Photonics, Analog Electronics