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SPECTRA OF FLUORESCENT LIGHT BULBS


This web page will be for nothing but spectra of various artificial and natural light sources other than LEDs and lasers - they have their own web pages here.
Ocean Optics USB2000 Spectrometer donated by P.L.
As of 10-10-07, I've been using a PC2000-ISA Spectrometer from Ocean Optics that I received several years ago, but that I didn't have a home for until now.
As of 03-08-08, I once again have the USB2000 spectrometer, enabling color spectra again.
As of 09-19-09, I no longer have the PC2000-ISA; it was sold to prevent an eviction.




CFLs (Compact Fluorescent Lamps) with integral screw base

Spectrographic analysis
Spectrographic analysis of an N:Vision 19-watt CFL bulb.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/42/cfl100.txt

The raw spectrometer data (comma-delimited that can be loaded into Excel) ***AFTER*** the spectrometer was recalibrated is at http://ledmuseum.candlepower.us/42/cfl101.txt


Spectrographic analysis
Spectrographic analysis of a Trisonic 9W Cool White CFL.


Spectrographic analysis
Spectrographic analysis of a Trisonic 9W Cool White CFL; spectrometer's input deliberately "overloaded" to show weaker spectral lines.


Spectrographic analysis
Spectrographic analysis of a GE 14 watt Bug Light CFL.


Spectrographic analysis
Spectrographic analysis of an N:Vision "Daylight" 5500°K 9W CFL.


Spectrographic analysis
Spectrographic analysis of an N:Vision "Bright White" 3500°K 9W CFL.


Spectrographic analysis
Spectrographic analysis of a Sylvania 3000°K 13W CFL.


Spectrographic analysis
Spectrographic analysis of a Sylvania 3500°K 13W CFL; warmish in color.


Spectrographic analysis
Spectrographic analysis of a Trisonic "soft white" ~6500°K 30W CFL.


Spectrographic analysis
Spectrographic analysis of a Lights of America "Sunlight" ~6500°K 14W CFL.


Spectrographic analysis
Spectrographic analysis of a Commercial Electric 14W CFL.


Spectrographic analysis
Spectrographic analysis of a Trisonic "soft white" ~6500°K 9W CFL.


Spectrographic analysis
Whitish-yellow light from a GE brand compact fluorescent bug light.


Spectrographic analysis
Yellow light from a Feit Electric EcoBulb compact fluorescent bug light.


Spectrographic analysis
Warm white light from a Sunbrite 18W 3,000°K compact fluorescent lamp.
This is a "dollar store" CFL.


Spectrographic analysis
Compact "blacklight" fluorescent light bulb; Mr. Light brand. Hot; 184°F (84.4°C).


Spectrographic analysis
Compact "blacklight" fluorescent light bulb; Mr. Light brand. Cold.


Spectrographic analysis
Compact fluorescent light bulb; TCP brand, model # E 149698.
Probably nominally 2700°K. This is a typical compact fluorescent spectrum.
Rated to consume 23 watts at 110 to 130 volts AC 60Hz.



CFLs (Compact Fluorescent Lamps) with socket adapter ballast

Spectrographic analysis
Spectrographic analysis of an Osram 2700°K 9W CFL.


Spectrographic analysis
Spectrographic analysis of a Philips 5000°K 13W CFL.


Spectrographic analysis
Spectrographic analysis of a Philips 4100°K 13W CFL.



LINEAR & "U"-SHAPED FLUORESCENT LAMPS:

Spectrographic analysis
Spectrographic analysis of the Zilla "Reptile" Fluorescent Bulb immediately after startup; as per request, spectrometer's response narrowed to a band between 200nm and 800nm.


Spectrographic analysis
Spectrographic analysis of the Zilla "Reptile" Fluorescent Bulb after a 30-minute warmup period; as per request, spectrometer's response narrowed to a band between 200nm and 800nm.


Spectrographic analysis
Spectrographic analysis of the Zilla "Reptile" Fluorescent Bulb;
spectrometer's response narrowed to a band between 175nm & 379nm
and deliberately "overloaded" to show weaker UV spectral features.

As you can see, there really aren't any UV spectral features
(or any UV output for that matter) shorter than ~285nm.


Spectrographic analysis
Spectrographic analysis of the HappyLight® Deluxe Sunshine Supplement Light System; visible wavelengths only.


Spectrographic analysis
Spectrographic analysis of the HappyLight® Deluxe Sunshine Supplement Light System; spectrometer's response widened to a range between 175nm and 874nm.


Spectrographic analysis
Spectrographic analysis of the HappyLight® Deluxe Sunshine Supplement Light System; spectrometer's response narrowed to a range between 175nm and 379nm to show the lack of UV radiation.


Spectrographic analysis
Spectrographic analysis of the UVC fluoro tube in the UVC + Incandescent Lamp.


Spectrographic analysis
Spectrographic analysis of the UVC fluoro tube in the UVC + Incandescent Lamp; spectrometer's response band narrowed to a range of 250nm to 260nm to show the 253.7nm mercury line.


Spectrographic analysis
Spectrographic analysis of the UVC fluoro tube in the UVC + Incandescent Lamp; spectrometer's response band narrowed to a range of 179nm to 379nm and deliberately "overexposed" to show alternate UV spectral lines.


Spectrographic analysis
Longwave (UVA) radiation from a portable UVA fluorescent lamp.


Spectrographic analysis
Fluorescent bulb in a Radio Shack portable fluoro light.


Spectrographic analysis
Spectrographic analysis of the fluoro tubes in an Energizer® Illumifold™ Fluorescent Lantern.


Spectrographic analysis
Spectrographic analysis of a Sylvania "White" nominally 3500°K 15W fluoro lamp.


Spectrographic analysis
Spectrographic analysis of a Sylvania "Household Fluorescent Interior Design" nominally 3000°K 15W fluoro lamp.


Spectrographic analysis
Spectrographic analysis of a General Electric "Soft White" 3000°K 20W fluoro lamp.


Spectrographic analysis
Spectrographic analysis of a Philips TLD 15W / 03 actinic fluoro lamp.
This lamp is *VERY* blue like the Philips lamp directly below.


Spectrographic analysis
Spectrographic analysis of a Philips F20T12/BB 20W "Special Blue" fluoro lamp.
This lamp is *VERY* blue.


Spectrographic analysis
Spectrographic analysis of a Philips "Natural Sunshine" 5000°K 15W fluoro lamp.


Spectrographic analysis
Spectrographic analysis of a 20W Sylvania "Gro-Lux" fluoro tube.
The light has a slight but noticeable pink tint to it.


Spectrographic analysis
Spectrographic analysis of a 15W 18" Philips "Plant & Aquarium" fluoro tube.
The light has a distinctly pink tint to it.


Spectrographic analysis
Spectrographic analysis of a GE F2012B blue fluoro lamp.


Spectrographic analysis
Spectrographic analysis of a Westinghouse F20T12/P pink fluoro lamp.


Spectrographic analysis
Light from a Duro-Lite "AQUATINIC" fluorescent tube.
Color temperature is approximately ~6500°K.


Spectrographic analysis
Light from a Hagen "Marine Glo" actinic 43.74cm fluorescent tube.
Note the strong spike at 435.8nm in the deep blue portion of the spectrum.


Spectrographic analysis
Longwave (UVA) radiation from the 352nm Portable UVA Lamp.


Spectrographic analysis
Longwave (UVA) radiation from the "flourescent" "blacklite" "lite" "toob"
in a "Blak Ray" ML-49 battery-powered handheld lamp.


Spectrographic analysis
UVC fluorescent tube in a UV Spectracidal Water Purifier.


Spectrographic analysis
UVC fluorescent tube in a UV Spectracidal Water Purifier, deliberately overexposed to show weaker spectral lines.


Spectrographic analysis
{Supposed to be} a UVC (shortwave) "flourescent" "lite" "blub".














Do you manufacture or sell an LED flashlight, task light, utility light, or module of some kind? Want to see it tested by a real person, under real working conditions? Do you then want to see how your light did? If you have a sample available for this type of real-world, real-time testing, please contact me at ledmuseum@gmail.com.

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WHITE 5500-6500K InGaN+phosphor 
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