One of my recent projects was to design an improved setup for a HIGS component. One of the ways we can measure the gamma flux is by observing the photodisintegration of deuterium (the D(γ,n) reaction). This is done by placing a D2O cell in the beam and measuring the rates in two neutron detectors at 90 deg beam left and beam right. To improve, and speed up, the reproducibility of this setup, I was asked to design a nice integrated system for this.

Below are images showing my designs.

(1) This image shows a front view of the complete setup with the target out of the beam.

(2) This image shows a front view of the same setup with the target now in the beam.

(3) This image shows a side view of the same setup with the target again out of the beam.

(4) This image shows a side view of the same setup with the target back in the beam.

This is then broken down into two separate designs, one for the target holder, and one for the detector holders. First I'll show the target holder.

(5) The complete target holder with part designations.

(6) The target holder base.

(7) The plates that hold the rail guides.

(8) The support beam connecting the two rail plates.

(9) The guides for the rails.

(10) The rails themselves.

(11) The support arm for the rails.

(12) The clamp to hold the end of the bottom rail.

Next I'll show the detector holders.

(13) The complete detector holder with part designations.

(14) The detector holder base.

(15) The back of the holder.

(16) The front of the holder.

(17) The holder rods.