# \#spectroscopy

**URL:** https://discourse.julialang.org/tag/spectroscopy/1149.md

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## [\[ANN\] WaveMixings.jl Nonlinear spectroscopy based on the doorway-window approximation](https://discourse.julialang.org/t/ann-wavemixings-jl-nonlinear-spectroscopy-based-on-the-doorway-window-approximation/130879)

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**Author:** [@apolion](https://discourse.julialang.org/u/apolion)\
**Replies:** 0\
**Last updated:** [July 20, 2025, 9:43am UTC](https://discourse.julialang.org/t/ann-wavemixings-jl-nonlinear-spectroscopy-based-on-the-doorway-window-approximation/130879 "2025-07-20T09:43:22Z")

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INTRODUCTION After almost two year of work :woman\_lifting\_weights:, finally I am introducing WaveMixings.jl, a numerical implementation of the quasi-classical doorway-window approximation, specifically designed for on-th…

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## [\[ANN\] Jchemo.jl - A Julia package for Chemometrics](https://discourse.julialang.org/t/ann-jchemo-jl-a-julia-package-for-chemometrics/91714)

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**Author:** [@matnbo](https://discourse.julialang.org/u/matnbo)\
**Replies:** 0\
**Last updated:** [December 15, 2022, 8:42pm UTC](https://discourse.julialang.org/t/ann-jchemo-jl-a-julia-package-for-chemometrics/91714 "2022-12-15T20:42:34Z")

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I would like to announce a new Julia package for chemometrics. Jchemo.jl provides functions for data exploration and predictions in chemometrics or other domains, with focus on high dimensional data. The package was …

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## [\[ANN\] SPEFiles.jl a package to read Teledyne Princeton Instruments' Lightfield SPE Files](https://discourse.julialang.org/t/ann-spefiles-jl-a-package-to-read-teledyne-princeton-instruments-lightfield-spe-files/88253)

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**Author:** [@klafyvel](https://discourse.julialang.org/u/klafyvel)\
**Replies:** 0\
**Last updated:** [October 4, 2022, 8:08pm UTC](https://discourse.julialang.org/t/ann-spefiles-jl-a-package-to-read-teledyne-princeton-instruments-lightfield-spe-files/88253 "2022-10-04T20:08:09Z")

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I am very happy to announce the release of SPEFiles.jl, a package to read Lightfield SPE files. Lightfield is software that is used by spectroscopists to control spectrometers. SPEFiles.jl provides a pure Julia reader o…