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| The Polarized Helium-3 lab utilizes a Double set of Helmholtz Coils made specially for the lab by Walker Scientific. |
| SPECIFICATIONS |
AXIS #1 |
AXIS #2 |
AXIS #3 |
| AREA OF UNIFORMITY |
2400 cm3
| 2400 cm3 |
2400 cm3 |
| UNIFORMITY |
< 1.0% |
< 1.0 % |
< 1.0 % |
| OVERALL INNER DIAMETER |
56.5" |
50.5" |
31" |
| OVERALL OUTER DIAMETER |
62" |
54.75" |
33.5" |
NOMINAL INTERCOIL SPACING
(FACE TO FACE) |
27" |
24" |
15.75 |
RESISTANCE
(PER COIL PAIR @70F) |
3.02 ohm |
3.05 ohm |
1.38 ohm |
| RATED OPERATING CURRENT |
11.21 AMPS |
11.17 AMPS |
1.2 AMPS |
CENTRAL FIELD AT
RATED OPERATING CURRENT |
37 Oe |
37.2 Oe |
.106 Oe |
| WATER COOLING |
NO |
NO |
NO |
| AC OPERATION |
NO |
NO |
YES |
| NOMINAL INDUCTANCE |
- |
- |
112 microHenry |
| MAXIMUM FREQUENCY |
- |
- |
100 KHZ |
| RATED OPERATING CURRENT |
- |
- |
1.2 ARMS |
| Here we can see the entire polarizing apparatus. The cell/oven rests in a support with three translation degrees of freedom. Notice the feed for the hot air oven coming from the right. Also the optical setup can be seen in the foreground. |
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