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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!2.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Phil Hobbs Newsgroups: sci.electronics.design Subject: Re: modulator box Date: Sat, 14 Sep 2024 18:04:42 -0000 (UTC) Organization: A noiseless patient Spider Lines: 44 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sat, 14 Sep 2024 20:04:42 +0200 (CEST) Injection-Info: dont-email.me; posting-host="520b0027a77f2a35177dfbc5ddd3b02c"; logging-data="1703746"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX199qyspM1o02jfwSWjsx0As" User-Agent: NewsTap/5.5 (iPhone/iPod Touch) Cancel-Lock: sha1:K0uHMmtGJRVyGA2pfqDQ1gv0Rzw= sha1:dkVZHRfiMxMAI6X69cfQGRYiAgc= Bytes: 2516 john larkin wrote: > On Sat, 14 Sep 2024 05:56:24 GMT, Jan Panteltje > wrote: > >> On a sunny day (Fri, 13 Sep 2024 09:11:52 -0700) it happened john larkin >> wrote in : >> >>> >>> 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