Advancements in sapphire optical fibers for the delivery of erbium laser energy and IR sensor applications

Adrian P. Pryshlak; Jeffrey R. Dugan; Jeremiah J. Fitzgibbon

doi:10.1117/12.237564

5 April 1996 Advancements in sapphire optical fibers for the delivery of erbium laser energy and IR sensor applications

Adrian P. Pryshlak, Jeffrey R. Dugan, Jeremiah J. Fitzgibbon

Proceedings Volume 2677, Biomedical Fiber Optics; (1996) https://doi.org/10.1117/12.237564
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Sapphire fibers grown using the Saphikon EFG_TM technique have proven to be effective delivery systems for Erbium:YAG and Erbium:YSGG laser energy. Improvements to the growth process have decreased average fiber attenuation to 1.5 dB/meter with 0.2 dB/meter demonstrated. Diameter control has also improved considerably. Current growth capabilities include diameters ranging from 150 microns to 1500 microns, multiple strands grown simultaneously, and increased length of grown fibers. Laser damage threshold levels of 1250 J/cm² and power handling capacity of over 11 watts have been demonstrated, as have pulse lifetimes of 150,000 pulses at 275 mJ/pulse output energy. Use of sapphire fibers for high power applications such as dentistry along with other, non-medical applications is discussed.

Citation Download Citation

Adrian P. Pryshlak, Jeffrey R. Dugan, and Jeremiah J. Fitzgibbon "Advancements in sapphire optical fibers for the delivery of erbium laser energy and IR sensor applications", Proc. SPIE 2677, Biomedical Fiber Optics, (5 April 1996); https://doi.org/10.1117/12.237564

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