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Infrared and Millimeter Wave Infrared and Millimeter Wave Correlation of Molecular Correlation of Molecular Emissions in the Atmosphere Emissions in the Atmosphere

Cassie Reuter, UC Berkeley, Physics Department Cassie Reuter, UC Berkeley, Physics Department Philip Philip Lubin Lubin, UC Santa Barbara, Physics Department , UC Santa Barbara, Physics Department UC LEADS UC LEADS

Background Background Research Goals Research Goals Experimental Set Up Experimental Set Up Data Analysis Data Analysis Conclusions Conclusions

Cosmology and Microwave Radiation Cosmology and Microwave Radiation

Why can Why can’ ’t we see microwaves? t we see microwaves?

Electromagnetic Spectrum – Absorption Percentage vs. Wavelength

I nfrared I nfrared Microwave Microwave

Rotational Mode

• Molecules rotate when they absorb radiation

Vibrational Modes

• Occurs at higher energy
• Can combine rotational with different vibrational modes

Why do molecules absorb different Why do molecules absorb different wavelengths differently? wavelengths differently?

Asymmetrical Stretching Asymmetrical Stretching Scissoring Scissoring Symmetrical Stretching Symmetrical Stretching

Where does water vapor fit in?

• Liquid phase condenses, scattering visible and

infrared

• Gas phase absorbs and emits in infrared and

microwave spectra

• Fluctuates spatially and temporally

Background Background Research Goals Research Goals Experimental Set Up Experimental Set Up Data Analysis Data Analysis Conclusions Conclusions

Research Goals Research Goals

• Understand the emission/absorption of water vapor

Understand the emission/absorption of water vapor

• Monitor water vapor in the infrared

Monitor water vapor in the infrared

• Determine if there is a correlation between

Determine if there is a correlation between microwave and infrared microwave and infrared

• Remove water vapor interference from microwave

Remove water vapor interference from microwave data data

Background Background Research Goals Research Goals Experimental Set Up Experimental Set Up Data Analysis Data Analysis Conclusions Conclusions

Infrared and Visible Cameras Infrared and Visible Cameras

• Monitor water vapor near 10 microns in infrared

Monitor water vapor near 10 microns in infrared

• Use the visible camera as a basis for

Use the visible camera as a basis for comparison comparison

FLIR Photon 320 Infrared Camera ABS Visible Light Camera

Error Elimination Error Elimination

• Co

Co-

• mounting system

mounting system

• Flat field correction

Flat field correction – – data normalization data normalization

• Data collected from various elevations

Data collected from various elevations

Deployment of Infrared/Visible Deployment of Infrared/Visible cameras at White Mountain cameras at White Mountain

Background Background Research Goals Research Goals Experimental Set Up Experimental Set Up Data Analysis Data Analysis Conclusions Conclusions

Infrared vs. Visible Infrared vs. Visible

Infrared Image Visible Image

Flat field corrections Flat field corrections

Unfiltered Image Flat-fielded Image

Low/High Pass Filtering Low/High Pass Filtering

Low Frequency Image High Frequency Image

Videos Videos

Background Background Research Goals Research Goals Experimental Set Up Experimental Set Up Data Analysis Data Analysis Conclusions Conclusions

Conclusions Conclusions

We have: We have:

• Mounted visual and infrared cameras

Mounted visual and infrared cameras

• Created routines to analyze data

Created routines to analyze data

• Started the data collection process

Started the data collection process

• Data of interest is in low frequency region

Data of interest is in low frequency region

Future research Future research

Infrared Image Microwave Image

Acknowledgements Acknowledgements

• My mentor, Dr. Philip

My mentor, Dr. Philip Lubin Lubin

• Members of the

Members of the Deepspace Deepspace Group, Group, especially Nicky Carroll, Jonathan Crass, especially Nicky Carroll, Jonathan Crass, and Josh and Josh Zierten Zierten

• UC LEADS, Diana

UC LEADS, Diana Lizarraga Lizarraga and Ofelia and Ofelia Aguirre Aguirre

• FLIR Technologies and Gary Hughes

FLIR Technologies and Gary Hughes