Journal of Applied Physics

Terahertz generation of BNA derivatives

M Megan F. Biggs (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) P Paige K. Petersen-Barlow (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) ( (Enoch) Sin-Hang Ho (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) C Caitlin C. Chartrand (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) A Abigail J. Lattin (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) H Halle M. Gebhardt (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) M Matthew J. Lutz (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) W William J. Hom (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) C Connor D. Barlow (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) G Gus H. Phillips (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) K Kailyn M. Sorensen (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) M Megan E. Moody (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) B Brendon Jentzsch (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) Y Yu-Cheng Hong (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) O Olivia N. Rollans (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) B Brigham Richards (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) E Elisha Jones (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) A Ashton Roma (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) M Meredith E. Shull (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) D David J. Michaelis (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,) J Jeremy A. Johnson (Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,)

Abstract

N-Benzyl-2-methyl-4-nitroanaline (BNA) is currently the industry standard for terahertz generation at 800 nm using organic materials. We developed four derivatives of BNA by replacing a hydrogen atom on the benzyl substituent with either a fluorine (F-BNA), a methoxy group (MeO-BNA), a cyano group (CN-BNA), or a methyl group (Me-BNA). X-ray diffraction measurements confirmed that all derivatives were crystallized in the same space group as BNA (Pna21). The THz generation capability of F-BNA is higher than that of BNA, with the maximum Fourier amplitude increasing by an average of 14% when pumped with wavelengths of 800, 1250, and 1550 nm. The damage threshold of F-BNA was also found to be higher than that of BNA, increasing by a factor of 1.14. The phase matching of F-BNA and BNA was found to be comparable. The increased THz output is, therefore, likely due to the higher induced nonlinear polarization, molecular hyperpolarizability, and closer molecular packing of F-BNA compared to BNA.

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Article Details

Volume / Issue Vol. 138, Issue 19
Published November 21, 2025
ISSN 0021-8979
Publisher American Institute of Physics

Journal Info

Journal of Applied Physics

American Institute of Physics
ISSN: 0021-8979 Physical Sciences

Authors (21)

M

Megan F. Biggs

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

P

Paige K. Petersen-Barlow

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

(

(Enoch) Sin-Hang Ho

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

C

Caitlin C. Chartrand

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

A

Abigail J. Lattin

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

H

Halle M. Gebhardt

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

M

Matthew J. Lutz

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

W

William J. Hom

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

C

Connor D. Barlow

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

G

Gus H. Phillips

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

K

Kailyn M. Sorensen

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

M

Megan E. Moody

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

B

Brendon Jentzsch

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

Y

Yu-Cheng Hong

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

O

Olivia N. Rollans

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

B

Brigham Richards

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

E

Elisha Jones

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

A

Ashton Roma

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

M

Meredith E. Shull

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

D

David J. Michaelis

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

J

Jeremy A. Johnson

Department of Chemistry and Biochemistry, Brigham Young University , Provo, Utah 84602,

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