Liquid thin-film laser target

Patent metadata

Field	Value
Publication number	US-9872374-B2
Application number	US-201515313315-A
Country	US
Kind code	B2
Filing date	May 22, 2015
Priority date	May 22, 2014
Publication date	Jan 16, 2018
Grant date	Jan 16, 2018

Abstract

Described in this disclosure is a laser target comprised of a liquid film creation device that is configured to form a liquid laser target. Methods of forming a liquid thin-film laser target are also described.

First claim

What is claimed is:

1. A laser target comprised of:
a liquid film creation device, wherein said liquid film creation device is configured to form a liquid laser target comprised of a liquid crystal material.

2. The laser target of claim 1 , wherein the liquid film creation device further comprises:
a disk, wherein said disk comprises one or more holes passing axially through the disk, wherein said disk spins about its axis forming the liquid laser target in at least one of the one or more holes.

3. The laser target of claim 2 , further comprising a reservoir that contains a liquid that forms the liquid laser target, wherein a portion of the disk rotates through the liquid in the reservoir causing the liquid laser target to form in at least one of the one or more holes.

4. The laser target of claim 2 , further comprising a pump, wherein a volume of a liquid that forms the liquid laser target is deposited near or in at least one of the holes that pass axially through the disk by the pump.

5. The laser target of claim 3 , further comprising a wiper, wherein the wiper removes excess liquid from the disk and helps form the liquid laser target in at least one of the one or more holes.

6. The laser target of claim 1 , wherein the liquid crystal material comprises 8CB (4′-octyl-4-cyanobiphenyl).

7. The laser target of claim 1 , wherein the liquid crystal material comprises thermotropic liquid crystals or lyotropic liquid crystals.

8. The laser target of claim 1 , wherein the liquid film creation device further comprises:
a linear rail, wherein said linear rail comprises one or more holes passing through a portion of the rail, wherein the liquid laser target is formed in at least one of the one or more holes.

9. The laser target of claim 1 , wherein the liquid film creation device further comprises:
a block of material on a substrate, wherein the block further comprises a nozzle and wherein the liquid laser target is formed in at by forcing a liquid through the nozzle to form at least one stable thin sheet of the liquid.

10. A method of forming a laser target comprising:
providing a bulk liquid crystal material; and
forming a thin-film liquid crystal laser target from the bulk liquid crystal material using a liquid film creation device, wherein the thin-film liquid crystal laser target is used as a target for a laser.

11. The method of claim 10 , wherein forming the thin-film liquid crystal laser target comprises forming the thin-film liquid crystal laser target using a disk, wherein said disk comprises one or more holes passing axially through the disk, wherein said disk spins about its axis forming the thin-film liquid crystal laser target in at least one of the one or more holes.

12. The method of claim 10 , wherein forming the thin-film liquid crystal laser target comprises forming the thin-film liquid crystal laser target using a linear rail, wherein said linear rail comprises one or more holes passing through a portion of the rail, wherein the thin-film liquid crystal laser target is formed in at least one of the one or more holes.

13. The method of claim 10 , wherein forming the thin-film liquid crystal laser target comprises forming the thin-film liquid crystal laser target using a block of material on a substrate, wherein the block further comprises a nozzle and wherein the thin-film liquid crystal laser target is formed in at by forcing the bulk liquid crystal through the nozzle to form at least one stable thin sheet of the liquid.

14. The method of claim 10 , wherein providing the bulk liquid crystal material comprises providing 8CB (4′-octyl-4-cyanobiphenyl).

15. The method of claim 10 , wherein providing the bulk liquid crystal material comprises providing thermotropic liquid crystals or lyotropic liquid crystals.

16. The laser target of claim 1 , wherein the liquid film creation device further comprises:
two pieces, wherein when at least a first of the two pieces is moved away from a second of the two pieces, a film can be stretched in between the two pieces forming the liquid laser target.

17. The laser target of claim 16 , wherein the two pieces comprise two interlocking pieces.

18. The laser target of claim 17 , wherein the two interlocking pieces comprise a chariot and a rail.

19. The method of claim 10 , wherein forming the thin-film liquid crystal laser target comprises forming the thin-film liquid crystal laser target using two pieces, wherein when at least a first of the two pieces is moved away from a second of the two pieces, a film can be stretched in between the two pieces forming the thin-film liquid crystal laser target.

20. The laser target of claim 1 , wherein the liquid laser target forms a plasma mirror.

21. The method of claim 10 , wherein using the thin-film liquid crystal laser target as a target for a laser comprises using the thin-film liquid crystal laser target as a plasma mirror.

Assignees

• Ohio State Innovation Foundation

Inventors

• Poole Patrick
• Andereck Claude David
• Schumacher Douglass

Classifications

• H05H15/00

  Methods or devices for acceleration of charged particles not otherwise provided for {, e.g. wakefield accelerators} · CPC title

• H05H6/00 Primary

  Targets for producing nuclear reactions (supports for targets or objects to be irradiated G21K5/08 {; preparation of tritium C01B4/00; targets, e.g. pellets for fusion reactions by laser or charged particles beam injection H05H1/22}) · CPC title

• H01J27/24

  using photo-ionisation, e.g. using laser beam · CPC title

• G21G4/02

  Neutron sources · CPC title