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[求助]
求教峰值功率以及平均功率
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小弟最近看一篇文章里邊有這樣一句話 Then, we process the electrodes with a frequency tripled Nd:YVO4 laser, with 3 ns pulse duration, using a fluence range of 0–65 mJ/cm2. We set the slides on a translation stage, and defocus the laser to a spot size of 0.5 mm2 and raster the stage while pulsing the laser. The stage is rastered such that any given location experiences approximately 1000 pulses, which corresponds to an overall exposure time of approximately 30 μs. 請(qǐng)問(wèn)如果按照65mJ/cm2來(lái)算,這個(gè)脈沖激光的峰值功率以及平均功率怎么算呀?我不太會(huì)算,真心求教,小弟學(xué)合金的不是好了解,實(shí)在沒(méi)多少金幣請(qǐng)見(jiàn)諒呀! 峰值功率還好。。(065mJ/cm2*0.5mm2)/3ns, 但是平均功率不太理解呀,其中重復(fù)頻率是1/30us呢還是1/(30us/1000)呀? |
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