算光效率 ，可以尝试使用归一化啊。 G|.6%-
System Transmittance (Q}ByX
Suppose you need to calculate the system transmittance of an optical system. vC!B}~RG
You would probably use the grid raytrace option, and the emitted flux is equal to V-k x=M"k
the sum of the flux in all the emitted rays. When you display an irradiance map, ?ZP@H
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the system transmittance is equal to the total flux, displayed at the bottom of the "X \Yp_g
irradiance map window, divided by the emitted flux. To get the system Hb3t|<z
transmittance, check the Normalize to emitted flux box and press the Apply '9@AhiNV
button. The map will be redisplayed, and the Normalized Flux value will be equal >9< YQ(
to the system transmittance.
