Low temperature near field spectroscopy and microscopy

H. Ghaemi; C. Cates; B. B. Goldberg

doi:10.1016/0304-3991(94)00129-B

Low temperature near field spectroscopy and microscopy

H. Ghaemi^*, C. Cates, B. B. Goldberg

^*Corresponding author for this work

Physics and Astronomy

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

12 Scopus citations

Abstract

A low temperature near field scanning optical microscope has been constructed. Images of InGaAs quantum wires have been obtained at 4.2 K with a resolution < 100 nm (λ/8). Low temperature spectroscopy and images of 270 nm GaAs quantum dots show vertical dependence in both intensity and spectral shape in collection mode operation. The microscope is designed for use in high magnetic fields and top loads into a 1.2 inch cryostat. A pulled optical fiber [1] tip is mounted in a simple and novel lens collection scheme for reflection mode NSOM. Additional side mounted fibers with focusing GRIN lenses are used for detecting the fiber tip resonance, providing independent shear force microscopy.

Original language	English (US)
Pages (from-to)	165-168
Number of pages	4
Journal	Ultramicroscopy
Volume	57
Issue number	2-3
DOIs	https://doi.org/10.1016/0304-3991(94)00129-B
State	Published - Feb 1995

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Instrumentation

Access to Document

10.1016/0304-3991(94)00129-B

Cite this

@article{ec9c8b3761204cf0bb5b5e32b2e5175d,

title = "Low temperature near field spectroscopy and microscopy",

abstract = "A low temperature near field scanning optical microscope has been constructed. Images of InGaAs quantum wires have been obtained at 4.2 K with a resolution < 100 nm (λ/8). Low temperature spectroscopy and images of 270 nm GaAs quantum dots show vertical dependence in both intensity and spectral shape in collection mode operation. The microscope is designed for use in high magnetic fields and top loads into a 1.2 inch cryostat. A pulled optical fiber [1] tip is mounted in a simple and novel lens collection scheme for reflection mode NSOM. Additional side mounted fibers with focusing GRIN lenses are used for detecting the fiber tip resonance, providing independent shear force microscopy.",

author = "H. Ghaemi and C. Cates and Goldberg, {B. B.}",

note = "Funding Information: We thankC . SotomayorT orres and P.D. Wang of Glasglow University and R.P. Mirin and J. Bowers of the University of California at Santa Barbara for samples.T his work is supportedb y the Sloan Foundation and the National Science Foundation under DMR-9158097.",

year = "1995",

month = feb,

doi = "10.1016/0304-3991(94)00129-B",

language = "English (US)",

volume = "57",

pages = "165--168",

journal = "Ultramicroscopy",

issn = "0304-3991",

publisher = "Elsevier",

number = "2-3",

}

TY - JOUR

T1 - Low temperature near field spectroscopy and microscopy

AU - Ghaemi, H.

AU - Cates, C.

AU - Goldberg, B. B.

N1 - Funding Information: We thankC . SotomayorT orres and P.D. Wang of Glasglow University and R.P. Mirin and J. Bowers of the University of California at Santa Barbara for samples.T his work is supportedb y the Sloan Foundation and the National Science Foundation under DMR-9158097.

PY - 1995/2

Y1 - 1995/2

N2 - A low temperature near field scanning optical microscope has been constructed. Images of InGaAs quantum wires have been obtained at 4.2 K with a resolution < 100 nm (λ/8). Low temperature spectroscopy and images of 270 nm GaAs quantum dots show vertical dependence in both intensity and spectral shape in collection mode operation. The microscope is designed for use in high magnetic fields and top loads into a 1.2 inch cryostat. A pulled optical fiber [1] tip is mounted in a simple and novel lens collection scheme for reflection mode NSOM. Additional side mounted fibers with focusing GRIN lenses are used for detecting the fiber tip resonance, providing independent shear force microscopy.

AB - A low temperature near field scanning optical microscope has been constructed. Images of InGaAs quantum wires have been obtained at 4.2 K with a resolution < 100 nm (λ/8). Low temperature spectroscopy and images of 270 nm GaAs quantum dots show vertical dependence in both intensity and spectral shape in collection mode operation. The microscope is designed for use in high magnetic fields and top loads into a 1.2 inch cryostat. A pulled optical fiber [1] tip is mounted in a simple and novel lens collection scheme for reflection mode NSOM. Additional side mounted fibers with focusing GRIN lenses are used for detecting the fiber tip resonance, providing independent shear force microscopy.

UR - http://www.scopus.com/inward/record.url?scp=0029239687&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0029239687&partnerID=8YFLogxK

U2 - 10.1016/0304-3991(94)00129-B

DO - 10.1016/0304-3991(94)00129-B

M3 - Article

AN - SCOPUS:0029239687

SN - 0304-3991

VL - 57

SP - 165

EP - 168

JO - Ultramicroscopy

JF - Ultramicroscopy

IS - 2-3

ER -

Low temperature near field spectroscopy and microscopy

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this