Near-field optical imaging properties by passive and active fiber probes

Guoping Zhang; Hai Ming; Ming Bai; Xiaogang Chen; Yunxia Wu; Jiangping Xie

doi:10.1117/12.318430

10 August 1998 Near-field optical imaging properties by passive and active fiber probes

Guoping Zhang, Hai Ming, Ming Bai, Xiaogang Chen, Yunxia Wu, Jiangping Xie

Proceedings Volume 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II; (1998) https://doi.org/10.1117/12.318430
Event: Photonics China '98, 1998, Beijing, China

Abstract

Passive and active fiber probes, used for the scanning near- field optical microscope, show different image properties. For the passive fiber probe, a better optical image contrast has been obtained with a parabolic taper than with a linear taper. The reflected fields in different fiber tapers have been discussed. For the active fiber probe, an ASE probe made of Er³⁺-doped fiber has shown a higher efficiency of several times and a lower image noise than the usual passive probe.

Citation Download Citation

Guoping Zhang, Hai Ming, Ming Bai, Xiaogang Chen, Yunxia Wu, and Jiangping Xie "Near-field optical imaging properties by passive and active fiber probes", Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); https://doi.org/10.1117/12.318430

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