SpectraPlot.com: Integrated Spectroscopic Modeling of Atomic and Molecular Gases

TL;DR

SpectraPlot.com is a web-based tool that integrates multiple spectroscopic models and databases to simulate atomic and molecular spectra, providing an interactive platform for researchers to visualize and analyze spectral data.

Contribution

This paper introduces SpectraPlot's modular architecture and spectroscopic models, enabling comprehensive and efficient spectral simulations across various conditions and databases.

Findings

SpectraPlot employs line-by-line simulations using NIST ASD, HITRAN2012, and HITEMP2010.

The platform allows visualization of multiple spectra in a single interactive plot.

The paper discusses the accuracy of approximations like far-wing cutoff criteria.

Abstract

SpectraPlot is a web-based application for simulating spectra of atomic and molecular gases. At the time this manuscript was written, SpectraPlot consisted of four primary tools for calculating: 1) atomic and molecular absorption spectra, 2) atomic and molecular emission spectra, 3) transition linestrengths, and 4) blackbody emission spectra. These tools currently employ the NIST ASD, HITRAN2012, and HITEMP2010 databases to perform line-by-line simulations of spectra. SpectraPlot employs a modular, integrated architecture, enabling multiple simulations across multiple databases and/or thermodynamic conditions to be visualized in a single interactive plot window. The primary objective of this paper is to describe the architecture and spectroscopic models employed by SpectraPlot in order to provide its users with the knowledge required to understand the capabilities and limitations of simulations performed using SpectraPlot. Further, this manuscript discusses the accuracy of several underlying approximations used to decrease computational time, namely, the use of far-wing cutoff criteria.