We demonstrated a microprobe with wedge-shaped graded-index fiber lens as near-field optical source, which provides maximum power throughput up to 1.7 at 45° incidence, an enhancement factor of 104 compared with a 60-nm square aperture.
© 2005 Optical Society of America
(210.0210) Optical data storage : Optical data storage
(210.4770) Optical data storage : Optical recording
(230.0230) Optical devices : Optical devices
(230.3120) Optical devices : Integrated optics devices
J. Fang, Y. Chen, C. Tien, and H. D. Shieh, " Microprobe with Wedge-Shaped Graded-Index Fiber Lens for Near-Field Recording Applications," in International Symposium on Optical Memory and Optical Data Storage, OSA Technical Digest Series (Optical Society of America, 2005), paper WP20.
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