Transmission target for a high power electron beam
Some embodiments include a system, comprising: an electron source configured to generate an electron beam along an axis; and a transmission target configured to receive the electron beam, the transmission target, comprising a target material having a surface disposed to receive the electron beam; wherein a majority of the surface is disposed at an angle relative to the axis different from 89 to 91 degrees.
1. A system, comprising:
an electron source configured to generate an electron beam along an axis; and
a transmission target configured to receive the electron beam, the transmission target, comprising:
a radially extending base;
a wall attached to and extending radially and axially from the radially extending base;
a target material disposed on a side of the wall opposite to the radially extending base and configured to receive the electron beam;
wherein the radially extending base and the wall are disposed to form an opening between the wall and the radially extending base that increases in length along the axis as a radial distance from the axis increases;
wherein a majority of the target material is disposed forming a concave surface and a majority of the concave surface is disposed at an angle relative to the axis different from 89 to 91 degrees.
2. The system of claim 1 , wherein the majority of the concave surface is disposed at an angle relative to the axis that is less than 70 degrees.
3. The system of claim 1 , wherein the transmission target has a conical structure and the concave surface is an inner surface of the conical structure.
4. The system of claim 1 , wherein the angle of the concave surface of the transmission target increases as the distance from the axis increases.
5. The system of claim 1 , wherein the transmission target further comprises a cylinder surrounding the target material.
6. The system of claim 5 , wherein the concave surface comprises at least one plane.
7. The system of claim 1 , wherein the transmission target is entirely formed of the target material.
8. The system of claim 1 , wherein the transmission target comprises:
a first conical structure including the target material; and
wherein:
the wall has a second conical structure;
the first conical structure is nested on the second conical structure.
9. A transmission target, comprising:
a base radially extending relative to an axis;
a wall disposed on the base and extending radially and axially from the base; and
a target material disposed on a side of the wall opposite to the base where a majority of a surface of the target material disposed at an angle relative to the base that is different from 89 to 91 degrees;
wherein:
target material is configured to convert incident electrons from a high-power electron beam aligned with the axis into radiation where a majority of the radiation is emitted substantially along the axis; and
an opening between the base and the target material that increases in length along the axis across the majority of the surface of the target material as a radial distance from the axis increases.
10. The system of claim 9 , wherein the majority of the major surface is disposed at an angle relative to the axis that is less than 70 degrees.
11. The transmission target of claim 9 , wherein the target material has a conical structure.
12. The transmission target of claim 9 , wherein the target material comprises a planar surface.
13. The transmission target of claim 9 , wherein the target material comprises a plurality of planar surfaces.
14. The transmission target of claim 9 , wherein the target material and the base are formed of the same material.