Using numerical modeling it is demonstrated that chains of spheres with a refractive index of 1.65-1.75 provide two times more compact focused beams compared to single spheres under conditions of illumination typical for laser surgery.
© 2011 OSA
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.4460) Medical optics and biotechnology : Ophthalmic optics and devices
(230.3990) Optical devices : Micro-optical devices
A. Darafsheh, A. Fardad, N. M. Fried, A. N. Antoszyk, H. S. Ying, and V. N. Astratov, "Ultra-precise Focusing Multimodal Microprobes for Contact Laser Tissue Surgery," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper AME3.
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