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Plasma Light Application |
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Continuous
Full Spectrum Light (CFSL)
Circadian Rhythms - Natures Time Keeper. Circadian
rhythms are important in determining human sleeping patterns
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Horticulture
Comparison of Growth Under Metal Halide and Microwave Powered Sulphur
Lamps.
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Light
Pipe
Large and small light pipes and light distribution tubes that can
be illuminated by Sulphur.
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Aquaculture
Reversing the spread of hunger is one of
humanity’s paramount challenges. It will mean overcoming
the fatalistic belief that chronic, persistent hunger is
inevitable.
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Photography & Projection
Excellent colour rendering, high lumen
levels and continuous operation with no degradation in
quality.
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Commercial
Demonstration and Assessment of a Sulphur Lamp Retrofit Lighting
System at Hill Air Force Base, Utah
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Circadian Rhythms - Natures
Time Keeper |
There are patterns of brain wave activity, hormone production,
cell regeneration, and other biological activities linked to
the 24-hour cycle. The circadian "clock" in humans
is located mainly in the suprachiasmatic nucleus (SCN), which
is a group of cells located in the hypothalamus (a portion
of the brain).
Circadian rhythms are important in determining
human sleeping patterns. Shifting into or out of daylight savings
time, traveling across time zones (which can cause jet lag),
or working at a job that involves late |
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or night time work can affect the body's circadian rhythm. In
a person with a circadian rhythm sleep disorder, the body is
unable to maintain its normal rhythm. The natural sleep
schedule changes so that the person is out of phase with day
and night.
Light around 460nm (blue) is needed to set the internal clock
to the day cycle or time schedule appropriate to where the
person is. |
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Luminous Efficiency Functions |
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Sulphur Plasma is the best light source that ensures
better eyesight and reduces eye fatigue with uniform illuminance,
suitable for the spaces where excellent colour rendering capability
is required. It ensures better eyesight and safer light environment
with uniform illuminance by providing sun-like light environment,
it reduces eye fatigue and enhances productivity. |
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| Photopic Vision: is the term for human colour vision under
normal lighting conditions during the day. In the range above
3.4 cd/m2, the human eye uses three types of cones to sense light
in three respective bands of colour. The pigments of the cones
have maximum absorption values at wavelengths of about 445 nm
(blue), 535 nm (green) & 575 nm (red). Their sensitivity
ranges overlap to provide continuous (but not linear) vision
throughout the visual spectrum. The maximum efficacy is 683 lumens/W
at a wavelength of 555 nm (yellow).
Mesopic Vision: is the term for a combination
between photopic vision and scotopic vision in low but not
quite dark lighting
situations. The combination of the higher total sensitivity
of the rods in the eye for the blue range with the colour perception
through the cones results in a very strong appearance of bluish
colours, like those in flowers, around dawn.
Scotopic Vision: is the term for human vision "in the
dark", below 0.034 lm/m2. In that range, the human eye
uses rods to sense light. Since the rods have a single absorption
maximum of about 1700 lumens/W at a wavelength of 507 nm, scotopic
vision is colour blind. The sensitivity range of the rods makes
the eye more sensitive to blue light at night, while red light
is almost exclusively perceived through photopic vision. |
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Light Therapy
Light Therapy and treatment using light is
being thoroughly researched and pursued as a new and rapidly
growing
area of study and application. Particularly when seeking
to manage circadian rhythm’s, proper and qualified instruction,
which is not available on this web site, should be taken.
Most likely
the best light sources, for effect, peak at and around 460nm,
sometimes known as actinic blue.
As much as possible, light "treatment" should be
administered on an individual prescribed basis, we all have
differing needs and bio compatibilities. We certainly don't
claim an "All-in-One” solution from using sulphur
plasma lighting. However, until we work out how to pipe sunlight
to the dark side of Earth, we do our best to provide information
that will be useful and helpful.
Perhaps we should question the real usefulness of contemporary
measurements in Lumens (photopic brightness), Kelvin (colour
compared with heating Carbon), CRI (Rendering compared with
a Tungsten lamp from the previous millennium) and Lumens per
Watt (efficiency and efficacy are not the same). The relevance
of any measurement is very dependent upon the intended application
and the way the user interprets the meaning or significance
of the measurement or definition. |
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Much has been written about Continuous Full Spectrum
Lighting (CFSL), sadly, nearly all refers to using Fluorescent
Mercury or Metal Halide or Xeon lamps. Most articles written,
even by experts and professional practitioners, no matter
if “For” or “Against” CFSL, could
not be much further from the truth. All too often, they
have never even seen sulphur plasma light, they don’t
know what it is and are quite ignorant of Far Eastern research
and practices taking place during the last decade. |
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Continuous Spectrum -
A spectrum having no lines or bands, especially a spectrum
of radiation distributed over an uninterrupted range of wavelengths,
like Sunlight.
Full Spectrum - "Full-spectrum" is
not a technical term when applied to an electrical light bulb.
"Full-spectrum" is
a marketing term implying that the product emulates "natural" light.
Sunlight is considered full spectrum, even though the solar
spectral distribution reaching Earth varies with time of
day, latitude, and atmospheric conditions,
the filtered and reflected light from the sky, we call skylight. Natural "real" daylight
is thus a combination of sunlight and skylight. "Full-spectrum" is
used by www.plasma-i.com to
define light that covers the entire spectrum from ultraviolet
to low infrared. When seen on an SPD (Spectrum Power Distribution)
chart there are no large or sudden variances, no surges (spikes)
or drops (gaps) in power, the coloured chart must look really "Full",
in all wavelengths, all colours.
To see all the colours, to examine a gemstone or a prestige
car’s paintwork, to see all the fractures, blemishes
or faults, no matter what colour the subject is, to visually
examine anything properly and maximize ability to identify
differences in colour, you need Continuous Full Spectrum Lighting
(CFSL). |
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