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Full | Summary | Threaded     -- All entries -- Last day Last 3 Days Last week Last month Last 3 Months Last 6 Months Last Year -- Type -- General Facility Clean Supply Mechanics Optics Electronics  411 Entries

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ID Date Author Type Category Subject Text   405   Tue Nov 24 10:45:07 2020 gautam Electronics Characterization The dark noise of the Q3000 QPDs I see that these measurements are done out to 100 kHz - I guess there is no reason to suspect anything at 55 MHz which is where      406   Tue Nov 24 12:27:18 2020 Koji Electronics Characterization The dark noise of the Q3000 QPDs The amplifier BW was 400kHz at the gain of 1e7 V/A. And the max BW is 500kHz even at a lower gain. I have to setup something      10   Mon Jul 23 17:15:14 2012 Koji Clean General Talking with Margot I consulted with Margot about the cleaning of the optics     Optics are considered      16   Mon Aug 13 16:59:11 2012 Koji Clean General Room Cleaning Log Floor wiped with a wet wiper (Aug 13, 2012) Floor wiped with a wet wiper (Aug 15, 2012)      17   Mon Aug 13 17:01:35 2012 Koji Clean General Particle Counts Aug 13, 2012 / 0.5um 1000~2000/(0.1 cu ft) / 0.7um   400-600/(0.1 cu ft) by ATF particle counter (MET ONE 227A)      20   Tue Sep 25 14:18:14 2012 Koji Clean General Particle Counts Particle counts Before the prefilter is installed: 0.5um 1191cnts, 0.7um 346cnts      21   Mon Oct 1 16:06:55 2012 Koji Clean General Particle Counts 1. It turned out that the particle counter MET ONE 227A at ATF shows  (particle count)/(0.1 ft^3)       45   Wed Dec 19 18:47:03 2012 Koji Clean General First Contact Training with Margot Steve and I visited Margot to have a training session for application of First Contact on optics.      127   Tue May 14 19:06:00 2013 Koji Clean General OMC Baking The OMC is in the air bake oven now.      361   Wed May 15 19:07:53 2019 Koji Clean General What is this??? Suddenly something dirty emerged in the lab. What is this? It looks like an insulation foam or similar, but is quite degraded and      368   Mon Jun 24 12:54:58 2019 Koji Clean General HEPA BOOTH https://www.airscience.com/purair-flow-laminar-flow-cabinets

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