Please don't hesitate to get in touch using the 'Contact' link in the bottom right!Ībsorbance is defined using Beer's Law: I/I o = exp(-α) = exp(-nσL).ĬO 2 and H 2O HITEMP simulations exclude all lines with linestrengths less than 10 -50 cm -1/(molecule-cm -2).Ī Voigt lineshape is used when the Lorentzian-to-Doppler width ratio (L/D) is from 0.01 to 100. HITEMP simulations take much longer to run than HITRAN simulations, so please choose your simulation window wisely. Information on HITRAN and HITEMP can be found here You can run up to 3 simulations, each with 3 species (for a total of 9), before you must clear the plot.Īll simulations assume a binary mixture of the absorbing/emitting species in air.Ībsorption simulations are performed using the HITRAN 2012 and HITEMP 2010 databases. Additionally, check out the HITRAN and NIST websites for more information about the databases we use.įor more details, check out our paper in JQSRT. Yep! Check out our paper in JQSRT or arXiv. Can I get some details on how this works and what assumptions are made in the simulation?Ī. SpectraPlot was conceived and built by 4 PhDs who specialize in ultra-violet, near- and mid-infrared spectroscopic gas sensing and imaging techniques: Prof. SpectraPlot is an ongoing project, and we'll continue to add tools, databases, and calculators that benefit the science and engineering communities that advance and leverage spectroscopy. SpectraPlot is a free, openly-available tool for scientists and engineers to simulate spectroscopic data and find the hardware you need to put spectroscopy into practice. If you are a vendor interested in either supporting SpectraPlot or including your catalogue on the site, get in touch with us at A couple FAQs are addressed below. We hope you will join us in this mission by simply using our tools. These tools are aimed to accelerate spectroscopic and optical engineering and to remove transactional friction in the photonics industry. To achieve these goals, Spectraplot offers integrated search tools for wavelength-dependent data (including spectral simulators and hardware listings) organized around function and use. Our mission is twofold: 1) to strengthen the spectroscopy community and 2) to organize the photonics industry's information for spectroscopists. Users are forbidden from abusing SpectraPlot in any way shape or form: abuse includes but is not limited to: writing scripts to automatically run simulations launching denial of service attacks. SpectraPlot DISCLAIMS ALL LIABILITY TO ANY PARTY FOR ANY DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL OR OTHER DAMAGES IN CONNECTION WITH ANY USE OF THIS WEBSITE, OR ANY HYPER-LINKED OR OTHER ACCESSIBLE WEB SITE, INCLUDING, WITHOUT LIMITATION, ALL LOST PROFITS, DAMAGES FROM BUSINESS INTERRUPTION, AND LOSS OF PROGRAMS OR OTHER DATA, REGARDLESS OF WHETHER WE ARE EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OCCURRING. It is entirely the user's responsibility to take precautions to be certain that any material taken from this website is free of viruses, worms, Trojan horses or other harmful or potentially harmful items. Please be aware that SpectraPlot may not use or have registered some of the aforementioned marks in other countries. Please contact SpectraPlot for the latest information. The products and/or the services described may be altered at any time, also without notice. Information is subject to change or updating without notice. Use of information contained herein is at the user's risk. While every effort has been made to ensure the accuracy of the information provided on this website, the information may contain errors, including technical or typographical errors. This website (including all content and functions made available on or accessed through this site) is provided on an "as is" basis.
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