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High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

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Published on: September 22, 2017

A balloon-borne grating spectrometer.

D G Murcray¹, F H Murcray, W J Williams

¹Departme]Rt of Physics, University ofDenver, Denver, Colorado 80210, USA.

|January 9, 2010

Summary

This summary is machine-generated.

A new balloon-borne spectrometer measured atmospheric transmittance from 2 to 14 micrometers. Data collected over thirty months and eleven flights provide insights into atmospheric spectral regions.

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Area of Science:

Atmospheric Science
Spectroscopy
Remote Sensing

Background:

Atmospheric transmittance is crucial for understanding Earth's radiative balance and climate.
Accurate spectral measurements are needed to validate atmospheric models.
Previous measurements may have limitations in spectral coverage or geographic scope.

Purpose of the Study:

To design, construct, and deploy a novel balloon-borne spectrometer.
To measure atmospheric transmittance in the 2 to 14 micrometer spectral range.
To gather long-term atmospheric data across diverse geographic locations.

Main Methods:

Utilized a 0.5-m Czerny-Turner grating spectrometer.
Conducted eleven balloon flights over thirty months.
Employed a solar pointing system for accurate measurements.

Main Results:

Successfully measured atmospheric transmittance in multiple spectral regions.
Collected extensive data across three geographic locations.
Demonstrated the spectrometer's capability for preflight and flight performance.

Conclusions:

The developed spectrometer is effective for atmospheric transmittance measurements.
The collected data contribute valuable insights into atmospheric spectral characteristics.
The study validates the performance and utility of the balloon-borne instrument.