Explanation of What IPL Is

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Explanation of What IPL Is

PostPosted by DCNGA » Fri Jan 13, 2012 1:57 pm

From 2011:

Non- Laser Technologies/Light- Based Systems
Bogdan Allemann I, Goldberg DJ (eds): Basics in Dermatological Laser Applications.
Curr Probl Dermatol. Basel, Karger, 2011, vol 42, pp 166–172
Intense Pulsed Light
Nicola L. Schoenewolf  Marjam J. Barysch  Reinhard Dummer
Department of Dermatology, University Hospital Zurich, Zurich, Switzerland

http://content.karger.com/ProdukteDB/pr ... 8446fp.pdf

In 1994, intense pulsed light (IPL) technology was introduced to the market as a medical device. It had gained commercial influence after Mühlbauer et al. [1] first introduced polychromatic infrared light for the treatment of vascular lesions in 1976.
First- generation devices led to some side effects, such as epithelial damage, due to infrared light emission. However, second- generation devices have shown a much better reduction of the infrared portion by using water filters [2].


Although IPL devices are not lasers, the technology is based on the principle of selective photothermolysis described by Anderson and Parrish[3]. Similar to laser systems, IPL technology is based on the principle of direct energy transfer to chromophores located in the skin. Heat induction allows target- specific treatment. Due to this target- specific absorption, maximum therapeutic versatility is achieved.
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Re: Explanation of What IPL Is

PostPosted by DCNGA » Fri Jan 13, 2012 2:21 pm

http://www.springerlink.com/content/mrm6n1524g41u0n1/

The effects of light on skin are due to various degrees of absorption of electromagnetic radiation. The visible light spectrum has a 400–760 nm wavelength. The light-tissue interaction effects are due to absorption and excitation of photons. The Intense Pulse Light is situated in the visible light of the electromagnetic spectrum. Once the light reaches the skin, part of it is absorbed, part is reflected or scattered, and part is further transmitted. Selective photothermolysis is the basic principle of Intense Pulsed Light treatment. It consists of matching a specific wavelength and pulse duration to obtain optimal effect on a target tissue with minimal effect on the surrounding tissues. The structures of the tissue that absorb the photons are known as chromophores. They have different wavelengths of absorption. The most common chromophores encountered in the skin are: hemoglobin and its derivates, melanin, water and foreign pigmented tattoos. The main target structures for Intense Pulsed Light treatment are melanin and blood vessels. The fluence delivered to the chromophores must be high enough to destroy them. In order to enhance the photodynamic therapy effect which is based on selective phothermolysis, photosensistizers can be used as adjuvants.
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