Microprocessor-based monochromator controller
1980

Microprocessor-based Monochromator Controller

publication Evidence: moderate

Author Information

Author(s): Richard Dalle-Molle, James D. Defreese

Primary Institution: University of Kansas, Department of Chemistry

Conclusion

The microprocessor-based controller significantly improves the accuracy and flexibility of wavelength scanning in spectrometers.

Supporting Evidence

  • The controller allows for bidirectional scanning with improved accuracy.
  • Scans using the new controller showed a wavelength shift of no more than 0.03 nm.
  • The system can be operated via keyboard or managed by another computer for automated scanning.

Takeaway

This study shows how a computer can help control a machine that measures light, making it more accurate and easier to use.

Methodology

The controller uses an Intel 8085 microprocessor to manage wavelength settings and movements based on user commands.

Limitations

The controller does not compensate for mechanical lag when changing scan direction.

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