atmoCO2

from Optical Depth GeometryB – May2014.docx

Abshire, J. B., Riris, H., Allan, G. R., Weaver, C. J., Mao, J., Sun, … Read the rest

Photodiode Operation

The photodiode detector provides the conversion from optical power to electrical current; it is… Read the rest

A receiving photodiode operates in the same manner as any reverse-biased diode (pn-junction) except for being optimized… Read the rest

This discussion is based on a relative “best-case” experiment – expected variations if everything is “ideal”.… Read the rest

All plots use parameters as listed unless noted [1]:

_CO2  =  380               … Read the rest

Particles that are transparent to the beam are not of concern here. This leaves only attenuation elements – those elements… Read the rest

The effective absorption cross-section of the species of interest: CO₂ is very highly dependent on wavelength as shown… Read the rest

This discussion of atmosphere is based on the idealized Standard Atmosphere Model parameters. Adding physical variations… Read the rest

Density is a measure of the number of particles per volume. Recall that one form of the Beer-Lambert defines attenuation… Read the rest

While many approaches to collecting the desired information of interest are under consideration, the structure of the… Read the rest