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alpha300 S Imaging

The WITec Scanning Near-field Optical Microscope alpha300 S operates using a unique near-field objective. It is mounted in the objective turret and provides access to SNOM or AFM.

 

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Description

The alpha300 S is a user-friendly Scanning Nearfield Optical Microscope (SNOM) that combines the advantages of SNOM, confocal microscopy and Atomic Force Microscopy in a single instrument. Switching between the different modes can be easily done by rotating the objective turret. The alpha300 S uses unique micro-fabricated SNOM cantilever sensors for optical microscopy with spatial resolution beyond the diffraction limit.

The WITec Scanning Near-field Optical Microscope alpha300 S operates using a unique near-field objective. It is mounted in the objective turret and provides access to SNOM or AFM. The micro-fabricated SNOM sensors are held magnetically at the end of the objective’s arm, enabling simultaneous observation of the cantilever and sample. For quick cantilever alignment, the arm can be moved in all three dimensions by an integrated highly-precise inertial drive. The movements are controlled by the WITec Control software, which also provides convenient alignment routines. The objective not only focuses the excitation laser beam, but also the beam-deflection laser for distance control. Highly focused, ultra-stable optics guarantee low-noise measurements without interference from the two laser systems. Using standard AFM cantilevers, the alpha300 S includes full AFM capability.

Key Features

  • Spatial resolution beyond the diffraction limit (ca. 60 nm laterally)
  • Unique patented SNOM sensor technique
  • Ease-of-use in air and liquids
  • Various Atomic Force Microscopy modes included
  • Non-destructive imaging technique with minimal, if any, sample preparation
  • Upgradeable with confocal Raman imaging in one microscope

 

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Contact Spectra Research

Address

3585 Laird Rd., Unit 15 & 16,
L5L 5Z8 Mississauga
Ontario
Canada

Phone :  905-890-0555

Toll Free : 1-866-753-4433
Fax :  905-890-1959

About Spectra Research

Spectra Research Corporation (SRC) offers a range of innovative high-quality scientific products and laboratory services to industrial and scientific markets throughout Canada.

Established in 1993, SRC is a subsidiary of Allan Crawford Associates (ACA), one of Canada’s largest distributors of electronic components, test equipment and integrated networking solutions.

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