DAVLL Solenoid Holder

by noahtholte, published

DAVLL Solenoid Holder by noahtholte Jun 28, 2012

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5789Views 615Downloads Found in Physics & Astronomy


This is a design for a DAVLL solenoid cylinder. The magnet wire is coiled around the cylinder between two ridges on each half.


The two halves fit a standard 26mm x 80mm atomic vapor cylinder when joined together. The notch at the connecting end of each cylinder fits the nub in the middle of the vapor cell. Each half is designed to mount using a standard quarter inch optics screw (~7mm thread dia. and 10mm head dia.). The screw hole is accessible even with the vapor cell in place.

I designed this so it could be printed without the need for support material.

Important design note: The inside diameter of the female sleeve connector is 0.2mm larger than the exterior of the male connector. This is because I have noticed that the particular printer I'm using tends to print holes (but not exterior dimensions) slightly smaller than the dimensions specified in the CAD files. Whatever printer you use might be different, so adjust accordingly for a good fit.

See and edit on Tinkercad: https://tinkercad.com/things/6XzdNRMyl5A

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Love it! Nice simple design... -Mike C., YSU, Physics

Sometimes the simplest things are the coolest. Great idea and nice design. Winding coils (for any application) is a pain.

For more information on the Dichroic Atomic Vapor Laser Lock (DAVLL) see http://arxiv.org/abs/0711.0911http://arxiv.org/abs/0711.0911 and references therein.

In overview, a magnetic field (provided by the solenoid) shifts the atomic energy levels in a way that creates a suitable spectroscopic signal for use in laser frequency stabilization.