Optical Beam Guides For Medical CO[sub]2[/sub] And Excimer Lasers

Uichi Kubo; Yuichi Hashishin; Kazuyuki Okada

doi:10.1117/12.945281

21 June 1988 Optical Beam Guides For Medical CO₂ And Excimer Lasers

Uichi Kubo, Yuichi Hashishin, Kazuyuki Okada

Proceedings Volume 0906, Optical Fibers in Medicine III; (1988) https://doi.org/10.1117/12.945281
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

The metal and polymer compound hollow tube is effective guide for cw CO2laser beam transmission. We have tride to high peak pulse CO2laser beam delivery with the hollow tube guide. Using the CO2 pulse laser have high peak (46MW max. ,short pulse width(80ns) and repeat pulses(under lOpps). In this experiments, the laser beam transmittance was obtained ca.90%/m. So the hollow tube are confirmed as useful beam guide technique for also pulse CO2 laser. We are having also investigates of UV laser beam transmission with the hollow tube as CO2 laser beam. We have used KrF excimer laser(248nm wavelength). We found that the random polarized beam transmittance was ca.26%/m, if polarized beam was ca.37%/m, delivery average power and energy were ca.1 watt(220kW peak power) and 5m.J. per pulse respectively. On the other hand, we have been developing UV optical fiber for Kr F laser, Results so far were obtained above 80%/m transmittance by OH ion added quartz glass fiber.

Citation Download Citation

Uichi Kubo, Yuichi Hashishin, and Kazuyuki Okada "Optical Beam Guides For Medical CO₂ And Excimer Lasers", Proc. SPIE 0906, Optical Fibers in Medicine III, (21 June 1988); https://doi.org/10.1117/12.945281

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