算光效率 ,可以尝试使用归一化啊。 >'&|{s[m
System Transmittance +3r4GEa
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Suppose you need to calculate the system transmittance of an optical system. R rp-SR?O
You would probably use the grid raytrace option, and the emitted flux is equal to jR^_1bu
the sum of the flux in all the emitted rays. When you display an irradiance map, KH9D},
the system transmittance is equal to the total flux, displayed at the bottom of the JQA]O/|N
irradiance map window, divided by the emitted flux. To get the system U;FJSy
transmittance, check the Normalize to emitted flux box and press the Apply %kV #UzL
button. The map will be redisplayed, and the Normalized Flux value will be equal byX)4&
to the system transmittance.