Ultraviolet (UV) light emitting device (LED) driven photocathode

1. An apparatus, comprising:

an electromechanical x-ray generator (MEXRAY) configured to charge capacitor electrodes using a predefined-voltage direct current (DC) supply supplied by a DC source; and

an ultraviolet (UV) light emitting diode (LED) driven photocathode device configured to control and modulate a dose rate of the DC electron source.

2. The apparatus of claim 1 , wherein the UV LED driven photocathode device is housed within the MEXRAY or another vacuum, DC electron source.

3. The apparatus of claim 1 , wherein the UV driven photocathode device comprises a light composed of a plurality of UV LEDs configured to emit light onto a photocathode within the MEXRAY or another vacuum, DC electron source.

4. The apparatus of claim 3 , wherein the plurality of UV LEDs are individually coupled to a plurality of lenses.

5. The apparatus of claim 4 , wherein, when the plurality of UV LEDs are turned on, the plurality of lenses are configured to concentrate light onto a surface of a photocathode.

6. The apparatus of claim 3 , wherein the light emitted from a UV lighter, upon impact with a photocathode, is converted into photoelectrons which are emitted towards an anode.

7. The apparatus of claim 3 , wherein, when the plurality of UV LEDs are turned on, voltage is reduced, and decreases in relation to time.

8. The apparatus of claim 3 , wherein the combination of the MEXRAY and UV LED driven photocathode device allows the plurality of UV LEDs to modulate photo-electrons on a photocathode acting as an optical amplifier.

9. An apparatus, comprising:

an electromechanical x-ray generator (MEXRAY) configured to charge capacitor electrodes using a predefined-voltage direct current (DC) supplied by a DC source; and

an ultraviolet (UV) light emitting diode (LED) driven photocathode device configured to control, modulate, or both, a dose rate of the DC source, wherein

the UV LED driven photocathode device is housed within the MEXRAY or another vacuum, DC source to provide a light source onto a cathode within the MEXRAY or the other vacuum, DC source.

10. The apparatus of claim 9 , wherein a plurality of UV LEDs are individually coupled to a plurality of lenses, allowing the light to be emitted onto the photocathode.

11. The apparatus of claim 10 , wherein, when the plurality of UV LEDs are turned on, the plurality of lenses are configured to concentrate light onto a surface of a photocathode.

12. The apparatus of claim 10 , wherein the light emitted from a UV lighter, upon impact with a photocathode, is converted into photoelectrons which are emitted towards an anode.

13. The apparatus of claim 10 , wherein, when the plurality of UV LEDs are turned on, voltage is reduced, and decreases in relation to time.

14. The apparatus of claim 10 , wherein the combination of the MEXRAY and UV LED driven photocathode device allows the plurality of UV LEDs to modulate photo-electrons on a photocathode acting as an optical amplifier.

15. An apparatus, comprising:

an electromechanical x-ray generator (MEXRAY) configured to charge capacitor electrodes using a predefined-voltage direct current (DC) supplied by a DC source; and

an ultraviolet (UV) light emitting diode (LED) driven photocathode device configured to control, modulate, or both, a dose rate of the DC source, wherein

the UV LED driven photocathode device comprises a light composed of a plurality of UV LEDs configured to emit light onto a photocathode within the MEXRAY or another vacuum, DC electron source.

16. The apparatus of claim 15 , wherein the UV LED driven photocathode device is housed within the MEXRAY or another vacuum, DC source to provide a light source onto a cathode within the MEXRAY or the other vacuum, DC electron source.

17. The apparatus of claim 15 , wherein a plurality of UV LEDs are individually coupled to a plurality of lenses, allowing the light to be emitted onto the photocathode.

18. The apparatus of claim 17 , wherein, when the plurality of UV LEDs are turned on, the plurality of lenses are configured to concentrate light onto a surface of a photocathode.

19. The apparatus of claim 17 , wherein the light emitted from a UV lighter, upon impact with a photocathode, is converted into photoelectrons which are emitted towards an anode.

20. The apparatus of claim 17 , wherein, when the plurality of UV LEDs are turned on, voltage is reduced, and decreases in relation to time.