Characterization of single‐crystal sapphire fibers for optical power delivery systems
作者:
D. H. Jundt,
M. M. Fejer,
R. L. Byer,
期刊:
Applied Physics Letters
(AIP Available online 1989)
卷期:
Volume 55,
issue 21
页码: 2170-2172
ISSN:0003-6951
年代: 1989
DOI:10.1063/1.102348
出版商: AIP
数据来源: AIP
摘要:
Sapphire single‐crystal fibers with diameters of 110 &mgr;m and lengths of over 2 m have been grown by the laser‐heated pedestal growth method. The fibers are free of imperfections such as voids and bubbles. The minimum loss of 0.5 dB/m was measured in the near infrared at 1064 nm. Absorption loss at 2936 nm was 0.88 dB/m with a damage threshold higher than 1.2 kJ/cm2for 110‐&mgr;s‐long pulses making tissue ablation feasible with fibers several meters in length.
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