Many People are Asking: "What's the Wavelength got to do with it?"
The two most studied and used wavelength ranges are red laser and near Infrared Laser
DiscoverLasers.com offers a selection and combination of 3 therapeutic laser WAVELENGTHS that operate in the beneficial range of red 650nm, infrared (IR) 780nm and violet 405nm. Red and IR are used in the majority of the practitioner-grade cold lasers for cold laser therapy (CLT). Violet laser has come down in price significantly and is becoming more popular for healing and anti-aging.
Many people are confused and concerned about finding and choosing the right wavelength. This article will help you to more confidently wade through the noise, hype and claims and make a more educated decision. To begin with, it is important to differentiate between the often confused Near Infrared or NIR and Far Infrared or FAR, which are totally different. NIR or IR as it is most commonly referred to is what's used in cold lasers. FAR is used in saunas and heat lamps. They do different things. Only cold laser delivers photons directly to cells for conversion to ATP in the Mitochondria of the cells.
The obscure 1064nm wavelength for example, falls in the NIR category at the far end of the Infrared Laser Spectrum. Even if there were an individual study that showed promising results for some condition, I do not believe that it would produce superior results than the 780nm to 905nm wavelength range of lasers that are more commonly available. These are the ones that are most highly used and promoted for the simple reason that they work.
Although some manufacturers or researchers have made claims of effectiveness in certain situations for an obscure wavelength, doesn’t necessarily mean that other wavelengths would not produce similar or even better results.
The wavelength of the light significantly affects depth of penetration and it interacts with tissue in the body. Although there is no one right answer, the general consensus is as follows:
- Using different wavelengths allows more flexibility in a treatment. Each wavelength can affect cells in a slightly different way. This provides the option for several different mechanisms to treat the same or multiple issues in a single client.
- Infrared diodes in the 800nm range (780nm to 830nm) are best for deep tissue work because they are not quickly absorbed by hemoglobin or water.
- Many higher-end and more expensive cold lasers and super pulsed lasers offer wavelengths in the 904nm and 905nm range, because they have proven results over many year of successful application.
- Class IV lasers commonly use the 980nm wavelength. They share some therapeutic characteristics 780nm to 850nm lasers, however the bulk of the energy goes to creating thermal gradients in the H2O that increase circulation and blood flow. The increase in circulation allows the bodies natural healing process to accelerate. Consequently, the Class IV lasers have become quite popular for high-end pain control and some doctors prefer the 980nm system due to quicker treatment times and high level of pain control. Additionally, 980nm can also serve well in some cases for a surgical laser. The flipside to 980nm is that much of the energy converts into heating water in tissue, which is great for laser surgery but less productive for therapy.
- Emitters in the 600nm to 660nm range are recommended for treating, inflammation, root nerve, acupuncture and trigger points. Red light lasers are great for soft tissues and small joints, with shallow penetration. They are useful as a guiding light when used in combination with infrared lasers.
- The growing consensus in the cold laser industry is that multiple wavelengths are needed to most effectively treat the widest range of conditions. The type of healing needed will dictate to the laser user which wavelength is preferred. For example, Red lasers are great for soft tissue and offer the strongest anti-inflammatory effects, and Infrared Lasers deliver a significantly longer wavelength, typically down to the bone level and are preferred for hard tissue issues such as bones, tendons, ligaments, spine and large and small joints of the musculoskeletal system.
- Fortunately, protocols that call for treatment of acupoints (acupuncture points) can be treated with nearly all of the therapeutic wavelength lasers because an acupoint is close to the surface of the skin as revealed by heat and skin resistance sensors. These points are revealed as a small explosion of heat beneath the skin. Anything you can do with a needle, you can do with a laser, just faster, easier, more effectively and completely painlessly.
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The ailments are listed in alphabetical order with suggested points and a reference of images and written descriptions of point location, depicting the precise body point for treating with your cold laser. Below is an example of the image files that are presented with each condition. As you can see, the points are clearly shown so that anyone can find them. They also come with a description of how to find them with ease and precision. Also included are two BONUS Auricular therapy charts for easy treatment of many more issues.
Cold Laser Power Level, Dosage, Protocols and Size of Treatment Area
In addition to wavelength, other factors that can be equally important to the effectiveness of cold lasers are power level, accuracy of the dosage, range of the protocols, and the size of the treatment area. Other factors to consider before purchasing a cold laser are the warranty period, build quality, device interface and of course, the overall safety of the product. In reality, it seems like all the cold lasers on the market have a unique value proposition (cost versus benefit) and they are all good at helping people with pain management and healing.
The Therapeutic Window
So in some cases therapist are targeting the circulatory system so they use 650nm and 905nm but if you are treating deep damaged tissue like many structural problem, you want to push the energy as deep as possible. Below is a modified graph of the energy absorption by wavelength for hemoglobin HbO2 and Hb (per the University of Essex). Variations of this graph are used across the web. I have added in the absorption of light energy by H2O in purple. This graph show a low spot in the absorption of light where light can travel the greatest distance. This low spot is called the therapeutic window. There is a lot of literature emphasizing the therapeutic window and how it is used to predict the best wavelength for therapy lasers. Recent developments show that each wavelength has advantages but 780 to 860nm could be the best wavelength range if you can only choose one because it has the best combination of depth of penetration (low absorption), cellular interaction and energy transfer efficiency.
Is There A Magic Wavelength?
No. Some manufacturers say one wavelength is the “magic” wavelength and other wavelengths, in the therapeutic window, are less effective for healing. If you study specifications for laser diodes, you will typically see that lower cost “810nm” diode can range from 780nm to 860nm when tested. For an additional cost, a diode manufacturer will pick and choose diodes from a larger run if you need a tight-tolerance higher-cost diode but most manufacturer do not do this. They purchase standard tolerance diodes so your 830nm laser could be actually operating at 800nm. If you check the specs on a 660 nm laser diodes like the ones used in medical lasers, you will find that the manufacturer specs the range from 635 nm to 670 nm. That means that a 650 nm laser might be 635 nm and vice versa.
Don’t be fooled by anyone who says that 635nm is better than 650nm or that 830nm is better than 810nm or any laser claiming they have a superior wavelength within the tolerance of a standard laser diode. They could easily be the exact same diode but the manufacturer is over-marketing a non-existent difference.
The actual output wavelength is also based on the temperature of the diode. The output change for a typical IR diode is 0.3nm/oC so the wavelength when you first turn a system on (20oC) will be 3 to 10 nanometers less than it would be at the full operating diode temperature (up to 40oC). This also shows that any manufacturer that is saying their system has a superior specific wavelength is probably over-marketing.
Emphasis on the higher frequency ranges (IR) and deeper penetrations are echoed by a majority of cold laser manufacturers. Although each manufacturer insists that their wavelength is optimal, there is no general consensus on the sweet spot. For some conditions the lower wavelength is best and sometimes a higher wavelength is best therefore, having a system that is capable of dual or multiple wavelengths gives you the most flexibility.
What are some of the features that make the Scalar Wave Laser (SWL) a SUPERIOR Cold Laser?
The SWL is Made in the US, is an ISO 1835 approved medical device and has the best FDA Clearance for Arthritis, Pain Relief, Reduction of Inflammation, Relaxing Contracted Tissue and Increasing Blood Circulation. Most lasers are only cleared for one or two things. There are a variety of special clearances, that had to be obtained by the manufacturer to approve this laser device for human use, which are very expensive. A professional quality laser requires significant testing and clinical studies. The SWL has been extensively reviewed and approved by the FDA, TGA, CE and Health Canada, allowing it to be sold and used on humans and animals worldwide.
The SWL is a specialized piece of equipment that combines some of the greatest advances in light and energy medicine technology into a compact, portable, handheld device. It utilizes true lasers and photodiodes, which are expensive, it combines red lasers, infrared lasers and super violet narrow beam LED's, advanced Hz frequency technology, sine waves, square waves, and patented scalar wave technology.
While most lasers only have 1, 2, 4 or 8 true laser diodes, the SWL has 16 true laser diodes in the main unit, and the diodes in the probes are much more powerful diodes that cost even more money.
With the SWL you will receive restorative, healing energies through:
- 3 different therapeutic wavelengths
- A large 2.5" diameter cluster head of 36 diodes
- 16 true lasers - 8 Red Lasers and 8 InfraRed Lasers
- Plus, 3 different optional laser probes, which deliver more concentrated power for significantly greater healing capacity. Each laser probe delivers more powerful and concentrated healing energy in specific wavelengths, into an area between 1/4-1/2". Each probe is enhanced with 4 super violet LED's to help support additional healing benefits, since the violet wavelength carries way more information than all the other wavelengths.
By utilizing both resonating and stimulating lasers with more wavelengths and technologies, SWL allows for a larger range of treatment possibilities for healing and relief from common ailments.
SWL is extremely easy to use and the shape and portable design are exceptional. It has more diodes, more power (more than many lasers and less than some, but enough to get the job done), far more capabilities and flexible user options, more probe choices, exceptional violet laser technology, deep penetrating Infrared Laser, scalar technology, digital technology with easy to use and comprehend user interface, and it produces great results for a wide range of conditions.
SWL has taken quantum physics and medical science to a new level by combining precisely chosen multiple wavelengths of coherent light and subtle frequency energy technology. We are now blessed with a healing tool that supports unparalleled healing potential. This fabulous Quantum Laser is approved by the FDA for purchase over the counter and is FDA, Health Canada and CE (Europe) Cleared. It uses blended laser light and frequency technology, combining select healing wavelengths and advanced modes for shifting dis-ease and promoting transformation and healing on a cellular level. SWL is spreading healing light across the world one person at a time.
While some facets of the SWL such as the Scalar Technology are difficult for many people to understand, it's important to know that this laser even without that technology is far better than most other lasers, and with it, it produces outstanding results that are nothing short of remarkable. You see, when it comes right down to it, all lasers are primarily measured on the merits of their true laser capabilities and how many true laser diodes they are working with. You will be happy to learn that the SWL main unit comes with a total of 16 true laser diodes, which are all working simultaneously in the two most studied and desirable laser spectrums, red and infrared. While many lasers only have 1-4 laser diodes, the SWL has 8 Red Laser Diodes and 8 Infrared (IR) laser diodes, plus 20 narrow beam Violet LEDs. The aperture or head of the laser covers 2.5" of surface area, compared to many lasers that only cover 1/4" to 1" surface area.
The Scalar Wave Laser incorporates 5 Healing Energy Technologies into an Ultra-Portable Healing Device, enabling you to completely transmute and release painful, traumatic and otherwise problematic cell-memories.
Now you can revolutionize the way your body heals.
Scalar Wave Lasers offer a powerful and yet gentle technology. They use LASER light, energy, Hz Frequencies, Scalar Waves and polarity to clear damaged cell memories, while simultaneously providing cellular energy (ATP). SWL also significantly reduces inflammation, which is at the heart of most major dis-eases today.