ISSN:
1662-9779
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Physics
Notes:
We developed a method to fabricate bent fiber probe: heated pulling combined withchemical etching. Based on sampling theory, the resolving power of SNOM relates to the size of theprobe tip. If the apex of the probe is smaller, the resolution ability of SNOM is higher. At the sametime it can collect more near-field information through bigger cone angle of probe.Through improving the operation and optimizing the parameters of the heated-pullinginstrument, we can obtain the probe with bent angle fiber varying from 120-150 degree, the coneangle varying from 40-90 degree and the apex diameter less than 100nm.With this new brush shape of probe, the collecting efficiency for near-field light is improved.That is to say that more near-field information is obtained. The successful ratio of the produce ismore than 70%
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/23/transtech_doi~10.4028%252Fwww.scientific.net%252FSSP.121-123.689.pdf
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