US3886366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compton back-scattered radiation source
Assignee: United States Department of the Air Force
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Filing: 1973-04-13
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Granted: 1975-05-27
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Expires: 1993-04-13
Abstract
Abstract An apparatus utilizing the Compton back-scattered technique to produce an intense unidirectional pulsed source of low-energy Xrays. The X-rays are produced by the Compton back-scattering of a beam of low-energy photons with an oppositely-directed, highenergy, high-intensity electron beam.
Inventors
- 👤 Sidney W Kash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:57
CPC Classifications
H; H05; H05G; H05G2/00; G; G21; G21K; G21K1/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
170 words
A Compton back-scattered radiation apparatus comprising in combination: a laser amplifier system for producing an intense laser beam of optical photons; a converging lens positioned in said laser beam''s path to focus said laser beam; a dielectric mirror positioned to reflect said laser beam at an angle equal to the angle of incidence; an electron beam source for producing a high-energy highintensIty relativistic, electron beam, said electron beam being directed counter to the direction of said laser beam and intersecting said laser beam along its path length; an interaction region positioned between said electron beam source and said dielectric mirror, said electron beam being in collision with said laser beam within said interaction region, said laser beam photons being increased in energy by being back-scattered by said electron beam and a target positioned between said interaction region and said dielectric mirror to receive said backscattered laser beam photons, said target having an opening therein; said opening being positioned to allow passage of said reflected laser beam toward said interaction region.
Claim 2
Dependent Claim
170 words
A Compton back-scattered radiation apparatus comprising in combination: a laser amplifier system for producing an intense laser beam of optical photons; a converging lens positioned in said laser beam''s path to focus said laser beam; a dielectric mirror positioned to reflect said laser beam at an angle equal to the angle of incidence; an electron beam source for producing a high-energy highintensIty relativistic, electron beam, said electron beam being directed counter to the direction of said laser beam and intersecting said laser beam along its path length; an interaction region positioned between said electron beam source and said dielectric mirror, said electron beam being in collision with said laser beam within said interaction region, said laser beam photons being increased in energy by being back-scattered by said electron beam and a target positioned between said interaction region and said dielectric mirror to receive said backscattered laser beam photons, said target having an opening therein; said opening being positioned to allow passage of said reflected laser beam toward said interaction region.
Claim 3
Dependent Claim
43 words
A Compton back-scattered radiation apparatus as described in claim 1 further including: an electron deflecting magnet positioned between said target and said interaction region, said magnet deflecting said electrons after interaction with said laser beam and preventing said electrons from striking said target.
Claim 4
Dependent Claim
34 words
A Compton back-scattered radiation apparatus as described in claim 2 wherein said electron deflection magnet is oriented to provide a transverse magnetic field, said transverse magnetic field prevents said electrons from striking said target.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |