lightgirl |
2008-10-24 10:03 |
算光效率 ,可以尝试使用归一化啊。 6>Ca O System Transmittance QQIU5 Suppose you need to calculate the system transmittance of an optical system. Hg%8Q@ You would probably use the grid raytrace option, and the emitted flux is equal to ;OD+6@Sr the sum of the flux in all the emitted rays. When you display an irradiance map, nH -1,#`g the system transmittance is equal to the total flux, displayed at the bottom of the
Im8c irradiance map window, divided by the emitted flux. To get the system *, RxOz2= transmittance, check the Normalize to emitted flux box and press the Apply 9HJA:k*k| button. The map will be redisplayed, and the Normalized Flux value will be equal _rjLCvv- to the system transmittance.
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