Near-GHz scanned-wavelength-modulation spectroscopy for MHz thermometry and HO measurements in aluminized fireballs of energetic materials

G Mathews, C Goldenstein - Applied Physics B, 2020 - Springer
This manuscript presents the development of a two-color laser-absorption-spectroscopy
(LAS) sensor capable of providing calibration-free measurements of temperature and H _2 2 …

Ultrafast-laser-absorption spectroscopy in the mid-infrared for single-shot, calibration-free temperature and species measurements in low-and high-pressure …

RJ Tancin, CS Goldenstein - Optics Express, 2021 - opg.optica.org
This manuscript presents an ultrafast-laser-absorption-spectroscopy (ULAS) diagnostic
capable of providing calibration-free, single-shot measurements of temperature and CO at 5 …

Ultrafast laser-absorption spectroscopy for single-shot, mid-infrared measurements of temperature, CO, and CH4 in flames

RJ Tancin, Z Chang, M Gu, V Radhakrishna… - Optics Letters, 2020 - opg.optica.org
This Letter describes the development of an ultrafast (ie, femtosecond), mid-infrared (mid-
IR), laser-absorption diagnostic and its initial application to measuring temperature, CO, and …

Characterization of the influence of aluminum particle size on the temperature of composite-propellant flames using CO absorption and AlO emission spectroscopy

MD Ruesch, AJ McDonald, GC Mathews… - Proceedings of the …, 2021 - Elsevier
Understanding the temperature of aluminized, composite-propellant flames is critical to
achieving robust rocket motor designs and developing accurate, predictive models for …

2D mid-infrared laser-absorption imaging for tomographic reconstruction of temperature and carbon monoxide in laminar flames

RJ Tancin, RM Spearrin, CS Goldenstein - Optics Express, 2019 - opg.optica.org
This manuscript presents the design and initial application of a mid-infrared laser-absorption-
imaging (LAI) technique for two-dimensional (2D) measurements and tomographic …

Wavelength-modulation spectroscopy in the mid-infrared for temperature and HCl measurements in aluminum-lithium composite-propellant flames

MD Ruesch, GC Mathews, RJ Tancin, SF Son… - Combustion and …, 2022 - Elsevier
This work presents the design, development, and application of a laser-absorption-
spectroscopy diagnostic capable of providing quantitative, time-resolved measurements of …

Cepstral analysis for baseline-insensitive absorption spectroscopy using light sources with pronounced intensity variations

CS Goldenstein, GC Mathews, RK Cole… - Applied Optics, 2020 - opg.optica.org
This paper presents a data-processing technique that improves the accuracy and precision
of absorption-spectroscopy measurements by isolating the molecular absorbance signal …

Single-shot, mid-infrared ultrafast-laser-absorption-spectroscopy measurements of temperature, CO, NO and H2O in HMX combustion gases

V Radhakrishna, RJ Tancin, G Mathews… - Applied Physics B, 2021 - Springer
This article describes the development of the first single-shot ultrafast-laser-absorption-
spectroscopy (ULAS) diagnostic for simultaneous measurements of temperature and …

Ultrafast laser-absorption spectroscopy in the mid-infrared for spatiotemporally resolved measurements of gas properties

RJ Tancin - 2021 - search.proquest.com
Laser-absorption spectroscopy (LAS) is widely used for providing non-intrusive and
quantitative measurements of gas properties (such as temperature and absorbing species …

Pressure sensing with two-color laser absorption spectroscopy for combustion diagnostics

R Wang, T Huang, J Mei, G Wang, K Liu, R Kan… - Optics Letters, 2024 - opg.optica.org
Pressure is an important parameter in assessing combustion performance that is typically
measured using contact sensors. However, contact sensors usually disturb combustion …