Compact integrated vacuum cells usable with quantum RF sensor technologies
A radio frequency (RF) radiation detection system is described. The RF detection system includes a metallic vacuum cell including a dispenser chamber and an interaction chamber. The dispenser chamber is configured to retain a quantum particle source. The interaction chamber is communicatively coupled with the dispenser chamber. The interaction chamber has aperture(s) therein and is configured to support the RF radiation. RF radiation access window(s) are connected with and hermetically seal the aperture(s).
1 . A radio frequency (RF) radiation detection system, comprising:
a metallic vacuum cell including dispenser chamber and an interaction chamber, the dispenser chamber configured to retain a quantum particle source, the interaction chamber communicatively coupled with the dispenser chamber, the interaction chamber having at least one aperture therein and being configured to support the RF radiation, the vacuum chamber being hermetically sealed;
at least one RF radiation access window coupled with and sealing the at least one aperture.
2 . The RF radiation detection system of claim 1 , wherein the interaction chamber further includes at least one optical access window.
3 . The RF radiation detection system of claim 2 , wherein the at least one optical access window is a portion of the at least one RF access window.
4 . The RF radiation detection system of claim 1 , wherein the interaction chamber includes a coating having a conductivity less than a metallic vacuum cell conductivity.
5 . The RF radiation detection system of claim 1 , wherein the at least one RF radiation access window includes a barrier layer, the barrier layer reducing absorption of quantum particles by the at least one RF radiation access window.
6 . The RF radiation detection system of claim 1 , wherein the interaction chamber is configured as a resonator for the RF radiation or as a waveguide for the RF radiation.
7 . The RF radiation detection system of claim 6 , wherein the interaction chamber is configured as the waveguide and wherein the metallic vacuum cell is coupled with at least one RF waveguide.
8 . The RF radiation detection system of claim 1 , wherein the metallic vacuum cell further includes:
an ion pump coupled with the dispenser chamber and the interaction chamber.
9 . A radio frequency (RF) radiation detection system, comprising:
an RF waveguide;
a stainless steel vacuum cell coupled with the RF waveguide, the stainless steel vacuum cell including dispenser chamber and an interaction chamber and being hermetically sealed, the dispenser chamber configured to retain a quantum particle source, the interaction chamber communicatively coupled with the dispenser chamber, the interaction chamber having at least one aperture therein and being configured to support the RF radiation, the interaction chamber including a copper coating;
at least one glass RF radiation access window coupled with and hermetically sealing the at least one aperture, the at least one glass RF radiation access window having a barrier layer on the at least one RF radiation access window.
10 . A method, comprising:
directing radio frequency (RF) radiation to an interaction chamber of a metallic vacuum cell, the metallic vacuum cell including the interaction chamber and a dispenser chamber and being hermetically sealed, the dispenser chamber configured to retain a quantum particle source, the dispenser chamber communicatively coupled with the interaction chamber, the interaction chamber having at least one aperture therein and being configured to support the RF radiation, the RF radiation being transmitted into the interaction chamber through at least one RF radiation access window coupled with and hermetically sealing the at least one aperture, the RF radiation interacting with quantum particles in the interaction chamber; and
detecting the RF radiation based on an interaction between the quantum particle and the RF radiation.
11 . The method of claim 10 , wherein the detecting includes at least one of detecting a fluorescence of the quantum particles and detecting based on electromagnetically induced transparency of a probe beam transiting the interaction chamber.
12 . The method of claim 10 , wherein the interaction chamber further includes at least one optical access window.
13 . The method of claim 12 , wherein the at least one optical access window is a portion of the at least one RF access window.
14 . The method of claim 10 , wherein the interaction chamber includes a coating having a conductivity less than a metallic vacuum cell conductivity.
15 . The method of claim 10 , wherein the at least one RF radiation access window includes a barrier layer, the barrier layer reducing absorption of the quantum particles by the at least one RF radiation access window.
16 . The method of claim 10 , wherein the interaction chamber is configured as a resonator for the RF radiation or as a waveguide for the RF radiation.
17 . The method of claim 16 , wherein the interaction chamber is configured as the waveguide and wherein the metallic vacuum cell is coupled with at least one RF waveguide.
18 . The method of claim 10 , wherein the metallic vacuum cell further includes:
an ion pump coupled with the interaction chamber and the dispenser chamber.