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Rotating wedge filter photometer for high altitude sounding rocket application.
Applied Optics
|January 30, 2010
Summary
A new scanning photometer uses a rotating wedge interference filter for wavelength scanning near 6300 A. This instrument was successfully tested during an auroral sounding rocket flight.
Area of Science:
- Optical instrumentation
- Aerospace engineering
- Atmospheric physics
Background:
- Accurate measurement of atmospheric emissions requires precise wavelength selection.
- Previous methods for wavelength scanning in photometers had limitations.
Purpose of the Study:
- To describe the design and fabrication of a novel scanning photometer.
- To present the application of this photometer in atmospheric research.
Main Methods:
- Development of a scanning photometer centered around 6300 A.
- Utilizing a rotating wedge interference filter for wavelength scanning.
- Implementing in situ wavelength control during filter fabrication.
Main Results:
- Successful production of the rotating wedge interference filter with precise wavelength control.
- Demonstration of the photometer's functionality during an auroral sounding rocket flight.
- Acquisition of valuable data from auroral emissions.
Conclusions:
- The developed scanning photometer is effective for atmospheric studies.
- In situ wavelength control is crucial for filter fabrication.
- The instrument provides valuable insights into auroral phenomena.
