Radiation monitor based on wavelength-dependent optical absorption in fused silica optical fibers
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United States of America Patent
Stats
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Jun 11, 2019
Grant Date -
Oct 18, 2018
app pub date -
Apr 13, 2018
filing date -
Apr 14, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radiation monitor apparatus and method based on wavelength-dependent optical absorption in fused silica optical fibers. The radiation monitor uses the radiation induced optical changes in fused silica optical fibers as a way to quantify and differentiate the large doses of radiation from high energy photons and neutrons as well as providing a method to extend the sensitivity over a large dynamic range of doses from 103 to beyond 106 rads. The radiation monitor enables dynamic monitoring of highly ionizing radiation environments. The radiation monitor reduces sensitivity saturation at high dose levels, provides increased sensitivity over a large dynamic range of doses, and enables differentiation between high energy photon and neutron contributions or poor signal to noise.
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International Classification(s)
- 2018 Application Filing Year
- G01T Class
- 649 Applications Filed
- 506 Patents Issued To-Date
- 77.97 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- G01T Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 11, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 11, 2030 |
