Category: Pro Tip
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Summer LODY!
This summer has been a very productive summer for the Spinlab group, but to get all that work done we had to get down and dirty. So much excellent work was being done that the lab became a war zone of tools, equipment, and circuit diagrams. Organizing it would prove…
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The Great Bipolar High Voltage Power Supply Installation of 2017
What is a bipolar power supply and why do we need it? In the Ra EDM experiment, a high electric field flips sign on a roughly 1-minute cycle. The direction of the field is changed by reversing the sign, or polarity, of the voltage being applied across the “hot” cathode (field is…
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The Great Fry Test of 2017
Optics vendors such as Thorlabs and Newport have figured out that graduate students fed with snacks spend more time aligning lasers than hangry (hungry+angry) students, which has the added benefit of them needing more optics and/or snacks. As a consequence, these companies send out a boxes of snacks with every…
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Spinlab Slow Controls Database
Monitoring the environment in the lab and the status of various parameters in our experiments is key to understanding how changes in these parameters affect the experiments. To accomplish this, a database and software system was designed and built to monitor these slow control parameters in the lab. A data…
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Surprise, Surprise!
We use several compressed gas bottles in Spinlab. Each of these bottles is secured to a wall when in use and transported on a tiltable cart with four wheels. Of course, when the bottles are being transported, we make sure that the gas bottle cap is securely screwed onto the…
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Magnetic Field Map of Spinlab
This week I completed the Spinlab Magnetic Field Mapping Report, a 31-page LaTeX document outlining the motivation for mapping the magnetic field of the Spinlab, the process for building the components necessary for completing the mapping, and results from various mappings from 2016. This document will be very important for completing any…
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Righty Tighty, Lefty Loosey
The lab was confronted with a stuck knob on one of our Helium gas regulators. Many of the other lab members attempted to open the outlet valve to the regulator but that proved unsuccessful. I attempted to open the stuck valve as well, even using the strap wrench as shown.…
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Fluorescence Spectrum of Impurities in Sapphire
In the week of Dec. 5th a first analysis of the background of a sapphire substrate was performed. The measurements were performed be Evan Ryan, an undergrad working for the SADiCS project. The graph below shows the scattering and fluorescence response of impurities within the sapphire substrate when illuminated…
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Emission Spectrum of 375 nm LED
The Weekly Win for the week of Nov. 14 was awarded the SADiCS team. The team led by undergraduate Evan Ryan focused on a detailed characterization of one of the light sources used for the Yb fluorescence measurement. This light source is an LED characterized by a central wavelength of 375nm. This…
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Digital Green LED Clocks
sample of one of the clocks in the lab During the week of Oct. 24th, some small but vital improvements were made to lab. As most scientific experiments often do, many of the projects occuring at Spinlab require precise time keeping. It has been a long-haul battle getting the required…
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