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  "Title": "Spectral Transmittance and Spectral Reflectance Data",
  "Version": "0.6.1.9002",
  "Date": "2026-06-11",
  "Authors@R": "c(\nperson(\"Pedro J.\", \"Aphalo\", email = \"pedro.aphalo@helsinki.fi\", role = c(\"aut\", \"cre\"), comment = c(ORCID = \"https://orcid.org/0000-0003-3385-972X\")),\nperson(\"Titta K.\", \"Kotilainen\", email = \"titta.kotilainen@helsinki.fi\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"T. Matthew\", \"Robson\", email = \"matthew.robson@helsinki.fi\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"Ricardo\", \"Hernández\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"Tania\", \"de la Rosa\", email = \"tania.delarosa@niras.fi\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"Riitta\", \"Tegelberg\", email = \"riitta.tegelberg@uef.fi\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"Andreas\", \"Albert\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"SCHOTT AG\", role = \"ctb\", comment = \"Contributed data\"),\nperson(\"Midwest Optical Systems, Inc. (MidOpt)\", role = \"ctb\", comment = \"Contributed data\")\n)",
  "Maintainer": "Pedro J. Aphalo <pedro.aphalo@helsinki.fi>",
  "Description": "Spectral 'transmittance' data for frequently used filters\nand similar materials. Plastic sheets and films; photography\nfilters; theatrical gels; machine-vision filters; various types\nof window glass; optical glass and some laboratory plastics and\nglassware. Spectral reflectance data for frequently encountered\nmaterials. Part of the 'r4photobiology' suite, Aphalo P. J.\n(2015) <doi:10.19232/uv4pb.2015.1.14>.",
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  "Author": "Pedro J. Aphalo [aut, cre] (ORCID:\n<https://orcid.org/0000-0003-3385-972X>),\nTitta K. Kotilainen [ctb] (Contributed data),\nT. Matthew Robson [ctb] (Contributed data),\nRicardo Hernández [ctb] (Contributed data),\nTania de la Rosa [ctb] (Contributed data),\nRiitta Tegelberg [ctb] (Contributed data),\nAndreas Albert [ctb] (Contributed data),\nSCHOTT AG [ctb] (Contributed data),\nMidwest Optical Systems, Inc. (MidOpt) [ctb] (Contributed data)",
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      "name": "polyvynil_chloride_filters",
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      "page": "photobiologyFilters-package",
      "title": "photobiologyFilters: Spectral Transmittance and Spectral Reflectance Data",
      "topics": [
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        "photobiologyFilters"
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    },
    {
      "page": "filter_materials",
      "title": "Indexing of filters made from different materials",
      "topics": [
        "acetate_filters",
        "acrylic_filters",
        "optical_glass_filters",
        "plastic_domes",
        "plastic_dome_filters",
        "plastic_films",
        "plastic_film_filters",
        "plastic_sheets",
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    {
      "page": "all_selectors",
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      "page": "bpi_visqueen_filters",
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        "colors",
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      "page": "courtaulds_filters",
      "title": "Indexing of cellulose di-acetate films from Courtaulds",
      "topics": [
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    {
      "page": "etola_filters",
      "title": "Indexing of PE films supplied by Etola Oy",
      "topics": [
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    },
    {
      "page": "evonik_filters",
      "title": "Indexing of PMMA sheets (Plexiglas) by Evonik",
      "topics": [
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    {
      "page": "filters_UVIVIF.mspct",
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      "topics": [
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    },
    {
      "page": "filters.mspct",
      "title": "Spectral transmittance of diverse optical filters",
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    },
    {
      "page": "foiltek_filters",
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    {
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