Study of Laser Reflectivity on Skin

Journal Article · Mon Aug 11 00:00:00 EDT 2008 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2979312· OSTI ID:21149301

Oidor-Garcia, J J. J.; Trevino-Palacios, C G ^[1]

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1. Instituto Nacional de Astrofisica, Optica y Electronica Apdo. Postal 51 y 216 Puebla, Pue 72000 Mexico (Mexico)

The response to the light on the skin can be manifested as temperature increase or creation of biochemical byproducts, in which further studies are required to asset the light effect. This response changes the average response over time and can produce discrepancies between similar studies. In this work we present a Low Level Laser Therapy (LLLT) study with feedback. We study the time response reflectivity of a 980 nm laser diode of 25 mW modulated at frequencies close to 40 kHz and detect the reflected light on a silicon photodiode, finding no direct correlation between different test points or individuals, while finding reproducible responses within the same individual and test point.

• OSTI ID: 21149301
• Journal Information: AIP Conference Proceedings, Vol. 1032, Issue 1; Conference: 10. Mexican symposium on medical physics, Mexico City (Mexico), 17-19 Mar 2008; Other Information: DOI: 10.1063/1.2979312; (c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
BIOLOGICAL EFFECTS
CORRELATIONS
KHZ RANGE
LASER RADIATION
PHOTODIODES
RADIOTHERAPY
REFLECTIVITY
SKIN