Thermal feedback control techniques for transistor–transistor logic triggered CO2 laser used for irradiation of biological tissue utilizing infrared fiber-optic radiometry

O. Eyal, A. Katzir

Research output: Contribution to journalArticlepeer-review

Abstract

A fiber-optic radiometer is used to monitor and control, in real time, the temperature of samples of biological tissue irradiated with a CO2 laser. Several control algorithms are investigated and the optimal control mode is obtained. A silver halide infrared fiber is used both to deliver the CO2 laser radiation needed to irradiate the target and to deliver the thermal radiation emitted from the target back to the radiometer. Such a system can be useful in medical applications of CO22 lasers.

Original languageEnglish
Pages (from-to)1751-1754
Number of pages4
JournalApplied Optics
Volume33
Issue number9
DOIs
StatePublished - 20 Mar 1994

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