Abstract
A near-field probe fabrication technique for far-infrared frequencies based on photoconducting antennas is developed. A subwavelength-size field source is accomplished by means of an aperture and protruding high refractive index tip. The near-field probe is tested by using free space traveling electromagnetic pulses with a broadband spectrum in the range of 0.3–1.5 THz. A spatial resolution of 60 μm is achieved for a 50 μm aperture. The described probe may be used for near-field transmission microscopy in illumination and collection modes. Resolution may be further improved by means of a smaller aperture.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:49 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 1:27 p.m.) |
Indexed | 4 months, 2 weeks ago (April 20, 2025, 12:42 a.m.) |
Issued | 25 years, 1 month ago (July 24, 2000) |
Published | 25 years, 1 month ago (July 24, 2000) |
Published Print | 25 years, 1 month ago (July 24, 2000) |
@article{Mitrofanov_2000, title={Near-field microscope probe for far infrared time domain measurements}, volume={77}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.127054}, DOI={10.1063/1.127054}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Mitrofanov, O. and Brener, I. and Wanke, M. C. and Ruel, R. R. and Wynn, J. D. and Bruce, A. J. and Federici, J.}, year={2000}, month=jul, pages={591–593} }