[7.5.3.7] τ(θi;φi;2π)
The ratio of transmitted flux collected over the entire hemisphere to essentially collimated incident flux. (See Figure 21.)

Note: The direction of incidence must be specified.
« Back to Definitions Index[7.5.3.7] τ(θi;φi;2π)
The ratio of transmitted flux collected over the entire hemisphere to essentially collimated incident flux. (See Figure 21.)
Note: The direction of incidence must be specified.
« Back to Definitions Index