High-Sensitivity Electronic Stark Spectrometer Featuring a Laser-Driven Light Source

Authors

J. S. Huff, Boise State UniversityFollow
K. M. Duncan, Boise State UniversityFollow
C. J. Van Galen, Temple University
M. S. Barclay, Boise State UniversityFollow
W. B. Knowlton, Boise State UniversityFollow
B. Yurke, Boise State UniversityFollow
P. H. Davis, Boise State UniversityFollow
D. B. Turner, Boise State UniversityFollow
R. J. Stanley, Temple University
R. D. Pensack, Boise State UniversityFollow

Document Type

Article

Publication Date

9-21-2023

Abstract

We report developmental details of a high-sensitivity Stark absorption spectrometer featuring a laser-driven light source. The light source exhibits intensity fluctuations of ∼0.3% over timescales ranging from 1 min to 12 h, minimal drift (≤ 0.1%/h), and very little 1/f noise at frequencies greater than 200 Hz, which are comparable to or better than an arc-driven light source. Additional features of the spectrometer include balanced detection with multiplex sampling, which yielded lower noise in A, and constant wavelength or wavenumber (energy) spectral bandpass modes. We achieve noise amplitudes of ∼7 × 10⁻⁴ and ∼6 × 10⁻⁶ in measurements of single A and ΔA spectra (with 92 data points) taking ∼7 and ∼19 min, respectively.

Copyright Statement

Copyright 2023 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Publication Information

Huff, J. S.; Duncan, K. M.; Van Galen, C. J.; Barclay, M. S.; Knowlton, W. B.; Yurke, B.; Davis, P. H.; Turner, D. B.; Stanley, R. J.; and Pensack, R. D.. (2023). "High-Sensitivity Electronic Stark Spectrometer Featuring a Laser-Driven Light Source". Review of Scientifiic Instruments, 94(9), 094103. https://doi.org/10.1063/5.0153428