Ion trap electrode support apparatus and method

Abstract

The application discloses an ion trap electrode support device and method, and solves the problem that the ion trap support device in the prior art cannot adapt to different types of ion trap electrodes. The ion trap electrode support device comprises an outer support, an inner support and a trap electrode. The outer support comprises two parallel arms, and the two arms are connected at one end to form a top end of the outer support, and the top end further comprises a protruding part. The protruding part is used for fixing the outer support in suspension. The two arms are each provided with a through cavity arranged in the transverse direction. The inner support is arranged in the through cavity. The trap electrode is arranged on the inner support. The application can be used for supporting trap electrodes of various shapes and sizes, is fixed in a vacuum cavity, and can realize experimental and engineering research of a set of vacuum cavities compatible with various ion trap electrodes, and improves research efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of quantum precision measurement, in particular to an ion trap electrode support device and method. BACKGROUND

[0002] The ion trap can realize the trapping of ions, and combined with laser cooling technology, the high-precision control of ions can be realized, and the ion trap is widely used in quantum precision measurement, quantum computing and mass spectrometry. The high-precision control of ions is based on fixing the ion trap electrode in the vacuum chamber, which not only applies the trapping potential of the ion trap, but also guarantees the high-vacuum environment and reduces the collision between the ions and the stray matter.

[0003] The support structure of the ion trap electrode fixes the ion trap in the vacuum chamber, which is the premise of the ion trapping experiment. The support structure connects the electrode and the vacuum chamber. By proposing a general support structure, the inner support structure can be changed without changing the outer support structure and the ion trap vacuum chamber, which is suitable for ion trap electrodes of various shapes and sizes and is applied to the experiment and engineering application of the ion trapping system.

[0004] The ion trap electrode has various shapes, including linear trap, knife trap and cap trap. A general support structure is proposed for different types and sizes of ion traps. By using this general support structure, the inner support structure can be adjusted without changing the outer support structure and the vacuum chamber connected with the outer support structure, which greatly reduces the processing period, saves cost and enables in-depth experimental research on the size and shape of the ion trap. SUMMARY

[0005] The embodiments of the present application provide an ion trap electrode support device and method, which solves the problem that the ion trap support device in the prior art cannot adapt to different types of ion trap electrodes.

[0006] The embodiments of the present application provide an ion trap electrode support device, which comprises an outer support, an inner support and a trap electrode. The outer support comprises two parallel arms, and the connection part at one end of the two arms constitutes the top end of the outer support, and the top end further comprises a protruding part. The protruding part is used for fixing and suspending the outer support. The two arms are provided with through cavities in the transverse direction. The inner support is arranged in the through cavity. The trap electrode is arranged on the inner support.

[0007] Further, the outer shape of the inner support is consistent with the through cavity of the outer support.

[0008] Further, the through cavities on the two arms are opposite to each other.

[0009] Preferably, the inner support and the outer support are fixedly connected by threads or bolts.

[0010] Further, the material of the inner support and the outer support is insulating material.

[0011] Further, the trap electrode penetrates the inner support, and the axial direction of the trap electrode is parallel to the axial direction of the through cavity.

[0012] Further preferably, the trap electrode is a linear trap. The inner support has four through holes in the axial direction for fixing four rods of the ion trap.

[0013] Further preferably, the trap electrode is a blade trap. The inner support is a plate structure with the same cross section as the through cavity of the outer support. The inner support is a plate structure with the same cross section as the through cavity of the outer support. The two ends of the blade trap are fixedly installed on the two opposite inner supports respectively. The four blade traps are arranged in an X-shaped cross structure with the blades of the two blade traps opposite to each other.

[0014] The embodiments of the present application also provide an ion trap electrode support method, which is implemented by using the device according to any one of the embodiments of the present application.

[0015] The above at least one technical solution adopted by the embodiments of the present application can achieve the following beneficial effects:

[0016] The present application provides an ion trap electrode support device, which is used for supporting trap electrodes with various shapes and sizes, is fixed in a vacuum cavity, and can realize experimental and engineering research of a set of vacuum cavity compatible with various ion trap electrodes, thereby improving research efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the present application, constitute a part of the present application and illustrate the illustrative embodiments of the present application and their description serve to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0018] Figure 1 FIG. 1 is a structural diagram of an embodiment of an ion trap electrode support device according to the present application;

[0019] Figure 2 FIG. 2 is a side view of an embodiment of an outer support of an ion trap electrode support device according to the present application;

[0020] Figure 3 FIG. 3 is a top view of an embodiment of an outer support of an ion trap electrode support device according to the present application;

[0021] Figure 4 FIG. 4 is a structural diagram of an embodiment of a linear trap installation according to the present application;

[0022] Figure 5 FIG. 5 is a structural diagram of an embodiment of a blade trap installation according to the present application. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0024] The technical solutions provided by the embodiments of the present application will be described in detail below in combination with the drawings.

[0025] Figure 1 An embodiment structure diagram of an ion trap electrode support device of the present application.

[0026] The embodiments of the present application also provide an ion trap electrode support device, which comprises an outer support 1, an inner support 2 and a trap electrode 3.

[0027] The ion trap electrode support device comprises two parts, one part is an outer support and the other part is an inner support. The outer support is connected to an external vacuum cavity. The inner support is fixed to the outer support through threads or bolts. The inner support is connected to the trap electrode.

[0028] Preferably, the inner support is fixedly connected to the outer support through threads or bolts.

[0029] Further, the materials of the inner support and the outer support are insulating materials.

[0030] The materials of the inner support and the outer support can be selected from ceramics, polytetrafluoroethylene and other insulating materials, which are not limited here.

[0031] The outer support comprises two parallel arms 11, one end of the two arms is connected to a part to form a top end of the outer support, and the top end further comprises a protruding part 12. The protruding part is used for fixing and suspending the outer support. The two arms are each provided with a through cavity arranged in a transverse direction. The inner support is arranged in the through cavity. The trap electrode is arranged on the inner support. The structure of the outer support does not change with the trap electrode. The protruding part at the top end of the upper part is connected to the vacuum cavity, which is used for fixing the outer support on the vacuum cavity. The two arms of the lower part are provided with through cavities for arranging the inner support.

[0032] Figure 2 An embodiment side view of an outer support of an ion trap electrode support device of the present application.

[0033] The through cavity of the outer support is used for connecting the inner support, which can be a cylinder, a cube or other shape structures. The specific structure includes but is not limited to the above structures, which are not limited here.

[0034] The inner support is connected with the through cavity of the outer support by matching, which can be fixed by thread or nut, etc. The outer shape of the inner support is consistent with the shape of the through cavity, and the outer shape of the inner support is consistent with the through cavity of the outer support.

[0035] For example, the through cavity is a cylinder, and the inner support is also a cylinder. The through cavity is a cube, and the inner support is also a cube. Other structures are similar.

[0036] The outer support has a through cavity in each arm for installing a trap electrode. The through cavities in the two arms are opposite to each other.

[0037] The trap electrode can be a linear trap electrode penetrating the inner support, and the axis of the trap electrode is parallel to the axis of the through cavity. It can also be a blade trap electrode clamped between two sheet-shaped inner supports. It can also be other trap electrode structures, which are not limited here.

[0038] Figure 3 It is a top view of an outer support embodiment of an ion trap electrode support device of the present application.

[0039] The outer support is hung on the inner wall of the vacuum cavity through the top protruding part, which can be connected by a hook, fixed by a bolt, welded, bonded, etc. Any way, which is not limited here.

[0040] Figure 4 It is a structure diagram of a linear trap embodiment of the present application.

[0041] The trap electrode is a linear trap. The inner support has several through holes in the axial direction for fixing the rods of the ion trap.

[0042] For example, the linear trap is a quadrupole trap. The inner support has four through holes in the axial direction for fixing the four rods of the ion trap.

[0043] For example, the linear trap is an eight-level trap or a twelve-level trap, which is not limited here.

[0044] Figure 5 It is a structure diagram of a blade trap embodiment of the present application.

[0045] The trap electrode is a blade trap. The inner support is a sheet-shaped structure with the same cross section as the through cavity of the outer support. The two ends of the blade trap are respectively fixed and installed on the two opposite inner supports. Figure 5 Only the inner support of one end of the blade trap is shown, and the other end of the inner support is symmetrical). The blades of the four blade traps are opposite to each other to form an X-shaped cross.

[0046] Two said blade traps are crossed with another two blade traps in X shape. The slit surrounded by four blade trap edges is used for trapping ions. Two inner supports sandwich the blade traps. Since the shape of the inner supports is the same as the cross section of the through cavity, both the inner supports and the blade traps are arranged in the through cavity.

[0047] The trap electrode can also be a hat trap, for example, the inner layer is hollow, the inner electrode connected to the hat trap, and the middle layer is connected to the outer electrode of the hat trap.

[0048] The embodiment of the present application provides an ion trap electrode supporting method, which uses the outer support, the inner support, and the linear trap, the blade trap, and the hat trap, and the installation mode and the support structure are the same as those of the above-mentioned embodiment, which will not be repeated here.

[0049] The above only describes the embodiments of the present application and is not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of claims of the present application.

Claims

1. An ion trap electrode support device, characterized in that: comprising an outer support, an inner support and a well electrode; The outer bracket includes two parallel arms, the connection portion at one end of the two arms forms the top end of the outer bracket, and the top end further includes a protrusion; The protrusion is used to fix the suspension outer bracket; The two arms are provided with through cavities arranged in the transverse direction; The inner support is arranged in the through cavity; The well electrode is arranged on the inner support; The outer shape of the inner bracket is consistent with the through cavity on the outer bracket; The inner bracket is matched and connected with the through cavity of the outer bracket.

2. The ion trap electrode support device according to claim 1, characterized in that: The through cavity openings on the two arms are facing each other.

3. The ion trap electrode support device according to claim 1, characterized in that: The inner bracket and the outer bracket are fixedly connected by threads or bolts.

4. The ion trap electrode support device according to claim 1, characterized in that: The inner bracket and the outer bracket are made of insulating material.

5. The ion trap electrode support device according to any one of claims 1 to 4, characterized in that: The trap electrode passes through the inner bracket, and the axial direction of the trap electrode is parallel to the axial direction of the through cavity.

6. The ion trap electrode support device according to claim 5, characterized in that: The well electrode is a linear well; The inner bracket has a plurality of through holes in the axial direction for fixing the rods of the ion trap.

7. The ion trap electrode support device according to claim 5, characterized in that: The well electrode is a blade well; The inner stent is a sheet-like structure with the same cross-section as the outer stent through the cavity; The two ends of the blade trap are respectively fixedly mounted on two opposite inner brackets; The blades of the four blade well structures face each other in pairs to form an X-shaped cross.

8. A method for supporting an ion trap electrode, characterized in that: This is achieved using the device described in any one of claims 1 to 7.

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