Laser activated luminescence system
AssigneeBoard of Trustees of Michigan State University
InventorsMarcos Dantus, Timothy A. Grotjohn
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Abstract
A laser activated luminescence system is provided. Another aspect pertains to a system employing a plasma assisted vapor deposition reactor which creates diamond layers on a substrate, in combination with a laser system to at least photoactivate and anneal the diamond layers. Yet another aspect of the present system uses a laser to assist with placement of color centers, such as nitrogen vacancy centers, in diamond. The present method uses lasers to manufacture more than two activated nitrogen vacancy center nodes in a diamond substrate, with nanometer spatial resolution and at a predetermined depth.
Claims25
A method of manufacturing a diamond, the method comprising:
- (a) epitaxially growing the diamond within a plasma assisted chemical vapor deposition reactor;
- (b) etching the diamond to create a surface discontinuity located inwardly from a periphery of the diamond;
- (c) forming color centers in the diamond in predetermined three-dimensional locations;
- (d) emitting multiple ionization laser pulses, of different characteristics, to ionize the diamond;
- (e) emitting at least one annealing laser pulse to anneal the diamond;
- and
- (f) the locations of the color centers allowing communication between more than two of the color centers.
A method of manufacturing a synthetic diamond, the method comprising:
- (a) creating the synthetic diamond within a plasma assisted chemical vapor deposition reactor, with the diamond including a surface discontinuity located inwardly from a periphery of the diamond, the diamond being doped by non-carbon atoms in at least one layer having a thickness less than 100 nm;
- (b) emitting at least one first laser pulse to photoactivate the diamond to create first nitrogen-vacancies adjacent a corner of the surface discontinuity;
- (c) emitting at least one second laser pulse to anneal the diamond to optimize characteristics of the first nitrogen-vacancies or a first color center, the first and second laser pulses having at least one different characteristic;
- and
- (d) creating a second nitrogen-vacancy or a second color center, in the diamond at a pre-determined depth.
A method of manufacturing a diamond, the method comprising:
- (a) pre-heating the diamond with at least one laser beam;
- (b) forming color centers in the diamond in predetermined three-dimensional locations;
- (c) emitting multiple ionization laser pulses, of different characteristics, to ionize the diamond;
- (d) emitting at least one annealing laser pulse to anneal the diamond;
- and
- (e) the locations of the color centers allowing communication between more than two of the color centers.
Dependencies are inferred from the claim text.