{
  "_id": "6a4793b52f27a93436c0d3e7",
  "Package": "photobiologyLamps",
  "Type": "Package",
  "Title": "Spectral Irradiance Data for Lamps",
  "Version": "0.5.3-1",
  "Date": "2026-06-27",
  "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(\"Lasse\", \"Ylianttila\", role = \"ctb\")\n)",
  "Maintainer": "Pedro J. Aphalo <pedro.aphalo@helsinki.fi>",
  "Description": "Spectral emission data for some frequently used lamps\nincluding bulbs and flashlights based on led emitting diodes\n(LEDs) but excluding LEDs available as electronic components.\nOriginal spectral irradiance data for incandescent-, LED- and\ndischarge lamps are included. They are complemented by data on\nthe effect of temperature on the emission by fluorescent tubes.\nPart of the 'r4photobiology' suite, Aphalo P. J. (2015)\n<doi:10.19232/uv4pb.2015.1.14>.",
  "License": "GPL (>= 2)",
  "VignetteBuilder": "knitr",
  "LazyLoad": "true",
  "LazyData": "true",
  "ByteCompile": "true",
  "Encoding": "UTF-8",
  "URL": "https://docs.r4photobiology.info/photobiologyLamps/,\nhttps://github.com/aphalo/photobiologylamps",
  "BugReports": "https://github.com/aphalo/photobiologylamps/issues",
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  "Repository": "https://aphalo.r-universe.dev",
  "Date/Publication": "2026-07-02 17:33:31 UTC",
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  "Packaged": {
    "Date": "2026-07-02 17:40:41 UTC",
    "User": "root"
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  "Author": "Pedro J. Aphalo [aut, cre] (ORCID:\n<https://orcid.org/0000-0003-3385-972X>),\nLasse Ylianttila [ctb]",
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  "_created": "2026-07-02T17:40:41.000Z",
  "_published": "2026-07-03T10:49:24.988Z",
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    "author": "Pedro Aphalo <pedro.aphalo@helsinki.fi>",
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    "message": "README copyright year 2026\n",
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  "_datasets": [
    {
      "name": "Airam_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "amaran_m9.mspct",
      "title": "Spectra for an Amaran AL-M9 LED video light",
      "object": "amaran-m9-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "amber_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "andoer_ir49.mspct",
      "title": "Spectra for an Andoer IR49 LED video lamp",
      "object": "andoer-ir49-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "Aputure_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "bentham_lamps",
      "title": "Spectra acquired with Bentham spectrometer",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "blue_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Convoy_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "elgato_klm_cct.mspct",
      "title": "Spectra for an Elgato Key Light Mini LED video lamp",
      "object": "elgato-klm-cct-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "elgato_klm_dim.mspct",
      "title": "Spectra for an Elgato Key Light Mini LED video lamp",
      "object": "elgato-klm-dim-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "flashlights",
      "title": "Spectral data for Lamps designed for specific uses",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Fluence_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "fluorescent_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Generic_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "germicidal_lamps",
      "title": "Spectral data for Lamps designed for specific uses",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Godox_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "green_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "incandescent_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ir_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Jaxman_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lamp_brands",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lamp_colors",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lamp_types",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lamp_uses",
      "title": "Spectral data for Lamps designed for specific uses",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "lamps.mspct",
      "title": "Spectral irradiance for diverse lamps",
      "object": "lamps-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "led_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers_channels",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers_GB_mixes",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers_mixes",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers_RB_mixes",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers_RG_mixes",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "ledsavers.mspct",
      "title": "Spectra for a multichannel LED bulb",
      "object": "ledsavers",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "licor_lamps",
      "title": "Spectra acquired with LI-COR LI-1800",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "macam_lamps",
      "title": "Spectra acquired with Macam SR-9010-PC",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "mercury_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "multimetal_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Nichia_LED_RECOM_dim.mspct",
      "title": "Spectra for a custom LED source in growth chamber",
      "object": "nichia-led-recom-dim-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "oo_maya_lamps",
      "title": "Spectra acquired with Ocean Optics Maya2000 Pro",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "orange_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Osram_L_18W_840_temp.mspct",
      "title": "Spectral irradiance of white fluorescent tubes at different temperatures.",
      "object": "osram-l-18w-840-temp-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "Osram_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Percival_LED_dim.mspct",
      "title": "Spectra for a Percival growth chamber",
      "object": "percival-led-dim-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "Philips_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "photography_lamps",
      "title": "Spectral data for Lamps designed for specific uses",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "plant_grow_lamps",
      "title": "Spectral data for Lamps designed for specific uses",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "purple_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "qp_uvb313_temp.mspct",
      "title": "Spectral irradiance of UVB lamps at different temperatures.",
      "object": "qp-uvb313-temp-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "qp_uvb313_temp.spct",
      "title": "Spectral irradiance of UVB lamps at different temperatures.",
      "object": "qp-uvb313-temp-spct",
      "class": [
        "source_spct",
        "generic_spct",
        "tbl_df",
        "tbl",
        "data.frame"
      ],
      "fields": [
        "temperature",
        "w.length",
        "s.e.irrad"
      ],
      "rows": 777,
      "table": true,
      "tojson": true
    },
    {
      "name": "QPanel_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "red_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
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      "tojson": true
    },
    {
      "name": "sodium_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "sunwayfoto_fl96.mspct",
      "title": "Spectra for a Sunwayfoto FL96 LED video light",
      "object": "sunwayfoto-fl96-mspct",
      "class": [
        "source_mspct",
        "generic_mspct",
        "list"
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      "fields": [],
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      "tojson": true
    },
    {
      "name": "Sunwayfoto_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
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      "tojson": true
    },
    {
      "name": "Sylvania_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Toshiba_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "uv_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "Valoya_lamps",
      "title": "Spectral data for Lamps from different suppliers",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "white_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
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      "tojson": true
    },
    {
      "name": "xenon_lamps",
      "title": "Spectral data for Lamps of different types",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    },
    {
      "name": "yellow_lamps",
      "title": "Spectral data for Lamps of different colours",
      "object": "lamps-mspct",
      "class": [
        "character"
      ],
      "fields": [],
      "table": false,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "photobiologyLamps-package",
      "title": "photobiologyLamps: Spectral Irradiance Data for Lamps",
      "topics": [
        "photobiologyLamps-package",
        "photobiologyLamps"
      ]
    },
    {
      "page": "amaran_m9.mspct",
      "title": "Spectra for an Amaran AL-M9 LED video light",
      "concept": [
        "light dimming"
      ],
      "topics": [
        "amaran_m9.mspct"
      ]
    },
    {
      "page": "andoer_ir49.mspct",
      "title": "Spectra for an Andoer IR49 LED video lamp",
      "concept": [
        "light dimming"
      ],
      "topics": [
        "andoer_ir49.mspct"
      ]
    },
    {
      "page": "bentham_lamps",
      "title": "Spectra acquired with Bentham spectrometer",
      "topics": [
        "bentham_lamps"
      ]
    },
    {
      "page": "elgato_klm_cct.mspct",
      "title": "Spectra for an Elgato Key Light Mini LED video lamp",
      "concept": [
        "light dimming"
      ],
      "topics": [
        "elgato_klm_cct.mspct",
        "elgato_klm_dim.mspct"
      ]
    },
    {
      "page": "lamp_brands",
      "title": "Spectral data for Lamps from different suppliers",
      "concept": [
        "indexing vectors of names",
        "lamps by brand name"
      ],
      "topics": [
        "Airam_lamps",
        "Aputure_lamps",
        "Convoy_lamps",
        "Fluence_lamps",
        "Generic_lamps",
        "Godox_lamps",
        "Jaxman_lamps",
        "lamp_brands",
        "Osram_lamps",
        "Philips_lamps",
        "QPanel_lamps",
        "Sunwayfoto_lamps",
        "Sylvania_lamps",
        "Toshiba_lamps",
        "Valoya_lamps"
      ]
    },
    {
      "page": "lamp_colors",
      "title": "Spectral data for Lamps of different colours",
      "concept": [
        "indexing vectors of names",
        "lamps by color"
      ],
      "topics": [
        "amber_lamps",
        "blue_lamps",
        "green_lamps",
        "ir_lamps",
        "lamp_colors",
        "orange_lamps",
        "purple_lamps",
        "red_lamps",
        "uv_lamps",
        "white_lamps",
        "yellow_lamps"
      ]
    },
    {
      "page": "lamp_types",
      "title": "Spectral data for Lamps of different types",
      "concept": [
        "indexing vectors of names",
        "lamps by technology"
      ],
      "topics": [
        "fluorescent_lamps",
        "incandescent_lamps",
        "lamp_types",
        "led_lamps",
        "mercury_lamps",
        "multimetal_lamps",
        "sodium_lamps",
        "xenon_lamps"
      ]
    },
    {
      "page": "lamp_uses",
      "title": "Spectral data for Lamps designed for specific uses",
      "concept": [
        "indexing vectors of names",
        "lamps by intended use"
      ],
      "topics": [
        "flashlights",
        "germicidal_lamps",
        "lamp_uses",
        "photography_lamps",
        "plant_grow_lamps"
      ]
    },
    {
      "page": "lamps.mspct",
      "title": "Spectral irradiance for diverse lamps",
      "topics": [
        "lamps.mspct"
      ]
    },
    {
      "page": "ledsavers.mspct",
      "title": "Spectra for a multichannel LED bulb",
      "topics": [
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        "ledsavers_channels",
        "ledsavers_GB_mixes",
        "ledsavers_mixes",
        "ledsavers_RB_mixes",
        "ledsavers_RG_mixes"
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    {
      "page": "licor_lamps",
      "title": "Spectra acquired with LI-COR LI-1800",
      "topics": [
        "licor_lamps"
      ]
    },
    {
      "page": "macam_lamps",
      "title": "Spectra acquired with Macam SR-9010-PC",
      "topics": [
        "macam_lamps"
      ]
    },
    {
      "page": "Nichia_LED_RECOM_dim.mspct",
      "title": "Spectra for a custom LED source in growth chamber",
      "concept": [
        "light dimming"
      ],
      "topics": [
        "Nichia_LED_RECOM_dim.mspct"
      ]
    },
    {
      "page": "oo_maya_lamps",
      "title": "Spectra acquired with Ocean Optics Maya2000 Pro",
      "topics": [
        "oo_maya_lamps"
      ]
    },
    {
      "page": "Osram_L_18W_840_temp.mspct",
      "title": "Spectral irradiance of white fluorescent tubes at different temperatures.",
      "concept": [
        "effect of temperature"
      ],
      "topics": [
        "Osram_L_18W_840_temp.mspct"
      ]
    },
    {
      "page": "Percival_LED_dim.mspct",
      "title": "Spectra for a Percival growth chamber",
      "concept": [
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      "topics": [
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      "page": "qp_uvb313_temp.spct",
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      "concept": [
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      "source": "user-guide.Rmd",
      "filename": "user-guide.html",
      "title": "User Guide",
      "author": "Pedro J. Aphalo",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Using data from lamps.mspct",
        "Accesing individual spectra",
        "Accessing subsets of spectra",
        "Accesing metadata",
        "Rescaling spectral data",
        "Plotting the spectra",
        "Using the data in other contexts",
        "Other data sets",
        "Ultraviolet-B lamps and temperature",
        "Multicolour LED lamp",
        "Video and photography lamps",
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      "created": "2016-09-17 22:36:00",
      "modified": "2025-09-23 18:44:36",
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