Nonlinear optical material and methods of fabrication

Patent metadata

Field	Value
Publication number	US-10133148-B2
Application number	US-201615563903-A
Country	US
Kind code	B2
Filing date	Apr 13, 2016
Priority date	Apr 13, 2015
Publication date	Nov 20, 2018
Grant date	Nov 20, 2018

Abstract

Disclosed is a nonlinear optical material (NLO) for use in deep-UV applications, and methods of fabrication thereof. The NLO is fabricated from a plurality of components according to the formula AqByCz and a crystallographic non-centrosymmetric (NCS) structure. The NLO material may be fabricated as a polycrystalline or a single crystal material. In an embodiment, the material may be according to a formula Ba3ZnB5PO14.

First claim

What is claimed is:

1. A nonlinear optical (NLO) material according to the formula A q B y C z and having a crystallographic non-centrosymmetric (NCS), structure, wherein the NLO material is a boratephosphate.

2. The NLO material of claim 1 , wherein A comprises at least one of an alkali metal or an alkaline earth metal.

3. The NLO material of claim 1 , wherein B comprises at least two of boron (B), carbon (C), or a transition metal.

4. The NLO material of claim 1 , wherein
wherein the NLO material crystallized in the orthorhombic polar space group Pmn2 1 .

5. The NLO material of claim 1 , wherein q and y are each from about 1 to about 10.

6. The NLO material of claim 1 , wherein z is from about 1 to about 20.

7. The NLO material of claim 1 , wherein the NLO material is a polycrystalline material.

8. The NLO material of claim 1 , wherein the NLO material is a single crystal.

9. The NLO material of claim 1 wherein the NLO material does not comprise beryllium.

10. The NLO material of claim 1 , wherein a second harmonic generation (SHG) coefficient of the NLO material at 532 nm is in a range of from about 20 a.u. to about 30 a.u.

11. The NLO material of claim 10 , wherein a particle size of the NLO material is from about 30 μm to about 130 μm.

12. The NLO material of claim 1 , wherein a second harmonic generation (SHG) coefficient of the NLO material at 1064 nm is in a range of from about 42 a.u. to about 110 a.u.

13. The NLO material of claim 12 , wherein a particle size of the NLO material is from about 30 μm to about 130 μm.

14. A nonlinear optical (NLO) material according to the formula A q B y C z and having a crystallographic non-centrosymmetric (NCS) structure, wherein the NLO material is according to a composition Ba 3 ZnB 5 PO 14 .

Assignees

• Univ Houston System

Inventors

• Halasyamani P Shiv
• Yu Hongwei

Classifications

• C30B29/10

  Inorganic compounds or compositions · CPC title

• C30B1/00

  Single-crystal growth directly from the solid state (unidirectional demixing of eutectoid materials C30B3/00; under a protective fluid C30B27/00) · CPC title

• G02F1/35

  Non-linear optics · CPC title

• G02F1/37

  for second-harmonic generation {(G02F1/3532 takes precedence)} · CPC title

• G02F1/3551 Primary

  Crystals · CPC title