Simple device and reproducible approach for producing high efficiency optical fiber tips for a scanning near-field optical microscope
作者:
X. Liu,
J. Wang,
D. Li,
期刊:
Review of Scientific Instruments
(AIP Available online 1998)
卷期:
Volume 69,
issue 9
页码: 3439-3440
ISSN:0034-6748
年代: 1998
DOI:10.1063/1.1149112
出版商: AIP
数据来源: AIP
摘要:
A heating–pulling device is established for producing the optical fiber probe used in scanning near-field optical microscopy. ACO2laser, the power of which can be adjusted continuously between 0 and 10 W, is used as the heating source. Pulling is done by two identical motors. On the basis of the device, a novel approach different from the conventional heating–pulling method is developed, which eliminates the need for a computer, reflective mirror, and varied force during tip formation. Thus it is simple and easy to use. The cost is reduced greatly. Tips with parabolic taper, short taper region, and a diameter of 65 nm, which are optimal conditions for high transmission efficiency, are obtained. ©1998 American Institute of Physics.
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