PRODUCT SHEET

Harrick VariGATR™ Grazing Angle Accessory

The VariGATR™ Grazing Angle ATR accessory is designed for enhanced analysis of monolayers on semiconductor and metallic substrates. It features a variable incident angle adjustable from 60º to 65º, allowing optimal angle selection to maximize sensitivity for different samples.

A built-in pressure applicator with slip-clutch ensures reproducible and effective contact between the sample and the mounted Ge ATR crystal. This accessory provides rapid, repeatable measurements with at least an order of magnitude improvement in sensitivity compared to standard grazing angle methods. Additionally, it offers a fully prealigned, horizontal sampling surface for ease of use.

Features and Purposes
  • Convenient horizontal sampling surface suitable for various sample formats.
  • Continuously variable angle range from 60º to 65º with anti-backlash mechanism for precise and reproducible angle selection.
  • Mounted Ge hemispherical ATR crystal optimized for grazing angle measurements.
  • Built-in pressure applicator with slip-clutch to control applied force reproducibly; includes force sensor with digital read-out for exact force measurement.
  • Sample accommodation up to 8″ diameter, with centered sampling on discs up to 6″ diameter.
  • PermaPurge™ system enables rapid purging to maintain measurement integrity.
  • Optional Wire Grid Polarizer available for enhanced spectral contrast and molecular orientation studies.
  • Includes slide plate mount, low-torque slip-clutch, angular scale viewing aide for large samples, and spectrometer-specific mounting hardware.
DOCUMENTS AND RESOURCES
VariGATR Grazing Angle ATR Accessory Data Sheet
PRODUCT SHEET

Harrick VariGATR™ Grazing Angle Accessory

The VariGATR™ Grazing Angle ATR accessory is designed for enhanced analysis of monolayers on semiconductor and metallic substrates. It features a variable incident angle adjustable from 60º to 65º, allowing optimal angle selection to maximize sensitivity for different samples.

A built-in pressure applicator with slip-clutch ensures reproducible and effective contact between the sample and the mounted Ge ATR crystal. This accessory provides rapid, repeatable measurements with at least an order of magnitude improvement in sensitivity compared to standard grazing angle methods. Additionally, it offers a fully prealigned, horizontal sampling surface for ease of use.

Features and Purposes
  • Convenient horizontal sampling surface suitable for various sample formats.
  • Continuously variable angle range from 60º to 65º with anti-backlash mechanism for precise and reproducible angle selection.
  • Mounted Ge hemispherical ATR crystal optimized for grazing angle measurements.
  • Built-in pressure applicator with slip-clutch to control applied force reproducibly; includes force sensor with digital read-out for exact force measurement.
  • Sample accommodation up to 8″ diameter, with centered sampling on discs up to 6″ diameter.
  • PermaPurge™ system enables rapid purging to maintain measurement integrity.
  • Optional Wire Grid Polarizer available for enhanced spectral contrast and molecular orientation studies.
  • Includes slide plate mount, low-torque slip-clutch, angular scale viewing aide for large samples, and spectrometer-specific mounting hardware.
DOCUMENTS AND RESOURCES
VariGATR Grazing Angle ATR Accessory Data Sheet

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