Facial skin resurfacing with a very short-pulsed CO2 laser: beam characterization and initial histological results

David M. Harris; Thomas Bell M.D.; Lynn From M.D.; Daniel Schachter M.D.

doi:10.1117/12.240010

17 May 1996 Facial skin resurfacing with a very short-pulsed CO₂ laser: beam characterization and initial histological results

David M. Harris, Thomas Bell M.D., Lynn From M.D., Daniel Schachter M.D.

Author Affiliations +

Proceedings Volume 2671, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VI; (1996) https://doi.org/10.1117/12.240010
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

The beam characteristics and spot geometry of a short pulsed (15 - 1000 microsecond) carbon- dioxide, multimode laser were measured. At a distance of 1.0 - 3.0 cm from the handpiece the laser produced a 5 mm² square spot with an even fluence across the entire spot area (Mesa Mode). Human eyelid skin was irradiated both in vivo and ex-vivo immediately after excision with 1, 2, 3, or 4 pulses, a pulse duration of 62.5 microseconds, and at a fluence of 6 J/cm². H&E stained sections showed an even removal of tissue across the impact site. The depth of thermal damage was measured as 38 micrometer plus or minus 22.7 with a range of 0 - 100 micrometer.

Citation Download Citation

David M. Harris, Thomas Bell M.D., Lynn From M.D., and Daniel Schachter M.D. "Facial skin resurfacing with a very short-pulsed CO₂ laser: beam characterization and initial histological results", Proc. SPIE 2671, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VI, (17 May 1996); https://doi.org/10.1117/12.240010

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