Near-field microscope probe for far infrared time domain measurements

O. Mitrofanov; I. Brener; M. C. Wanke; R. R. Ruel; J. D. Wynn; A. J. Bruce; J. Federici

doi:10.1063/1.127054

Near-field microscope probe for far infrared time domain measurements

O. Mitrofanov, I. Brener, M. C. Wanke, R. R. Ruel, J. D. Wynn, A. J. Bruce, J. Federici

Physics

Research output: Contribution to journal › Article › peer-review

53 Scopus citations

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.

Original language	English (US)
Pages (from-to)	591-593
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	4
DOIs	https://doi.org/10.1063/1.127054
State	Published - Jul 24 2000

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.127054

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title = "Near-field microscope probe for far infrared time domain measurements",

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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AU - Mitrofanov, O.

AU - Brener, I.

AU - Wanke, M. C.

AU - Ruel, R. R.

AU - Wynn, J. D.

AU - Bruce, A. J.

AU - Federici, J.

PY - 2000/7/24

Y1 - 2000/7/24

N2 - 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.

AB - 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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Near-field microscope probe for far infrared time domain measurements

Abstract

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