Alternating current long range alpha particle detector
- Los Alamos, NM
An alpha particle detector, utilizing alternating currents, whcih is capable of detecting alpha particles from distinct sources. The use of alternating currents allows use of simpler ac circuits which, in turn, are not susceptible to dc error components. It also allows the benefit of gas gain, if desired. In the invention, a voltage source creates an electric field between two conductive grids, and between the grids and a conductive enclosure. Air containing air ions created by collision with alpha particles is drawn into the enclosure and detected. In some embodiments, the air flow into the enclosure is interrupted, creating an alternating flow of ions. In another embodiment, a modulated voltage is applied to the grid, also modulating the detection of ions.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- University of California (Alameda, CA)
- Patent Number(s):
- US 5187370
- OSTI ID:
- 868664
- Country of Publication:
- United States
- Language:
- English
Similar Records
Single and double grid long-range alpha detectors
Single and double grid long-range alpha detectors
Related Subjects
current
range
alpha
particle
detector
utilizing
currents
whcih
capable
detecting
particles
distinct
sources
allows
simpler
circuits
susceptible
dc
error
components
benefit
gas
desired
voltage
source
creates
electric
field
conductive
grids
enclosure
air
containing
created
collision
drawn
detected
embodiments
flow
interrupted
creating
embodiment
modulated
applied
grid
modulating
detection
source creates
conductive enclosure
voltage source
electric field
alternating current
air flow
alpha particle
alpha particles
particle detector
air containing
range alpha
modulated voltage
detecting alpha
containing air
error components
conductive grid
utilizing alternating
alternating currents
/250/