Micro-joule, pico-second range, Yb3+-doped fibre laser for medical applications in acupuncture

J. A. Alvarez-Chavez; S. I. Rivera-Manrique; S. L. Jacques

doi:10.1117/12.903284

2 November 2011 Micro-joule pico-second range Yb³⁺-doped fibre laser for medical applications in acupuncture

J. A. Alvarez-Chavez, S. I. Rivera-Manrique, S. L. Jacques

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 801193 (2011) https://doi.org/10.1117/12.903284
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

Abstract

The work described here is based on the optical design, simulation and on-going implementation of a pulsed (Q-switch) Yb³⁺-doped, 1-um diffraction-limited fibre laser with pico-second, 10 micro-Joule-range energy pulses for producing the right energy pulses which could be of benefit for patients who suffer chronic headache, photophobia, and even nausea which could is sometimes triggered by a series of factors. The specific therapeutic effect known as acupunctural analgesia is the main objective of this medium-term project. It is a simple design on which commercially available software was employed for laser cavity design. Monte Carlo technique for skin light-transport, thermal diffusion and the possible thermal de-naturalization optical study and prediction will also be included in the presentation. Full optical characterization will be included and a complete set of recent results on the laser-skin interaction and the so called moxi-bustion from the laser design will be extensively described.

Citation Download Citation

J. A. Alvarez-Chavez, S. I. Rivera-Manrique, and S. L. Jacques "Micro-joule pico-second range Yb³⁺-doped fibre laser for medical applications in acupuncture", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801193 (2 November 2011); https://doi.org/10.1117/12.903284

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KEYWORDS

Skin

Absorption

Fiber lasers

Monte Carlo methods

Tissue optics

Laser development

Dispersion

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