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Malekmohamadi S, mousavi M, Naghdi E, Yahyaei B, Bayari A, Ajoodanian M, et al . Two photon Absorption of femtosecond pulses in the LEDs and Manufactureing of an Autocorrelator Based on TPA (Two Photon Absorption). ICOP & ICPET _ INPC _ ICOFS 2017; 23 :593-596
URL: http://opsi.ir/article-1-1155-en.html
URL: http://opsi.ir/article-1-1155-en.html
Sedighe Malekmohamadi *1 
, Mahdi Mousavi , Elham Naghdi , Bahareh Yahyaei , Ali Bayari , Moin Ajoodanian , Alireza Mojtaba , Ali Shiri
, Mahdi Mousavi , Elham Naghdi , Bahareh Yahyaei , Ali Bayari , Moin Ajoodanian , Alireza Mojtaba , Ali Shiri
Abstract: (2919 Views)
Two Photon Absorption (TPA) of femto-second pulses in the red and amber LEDs has been investigated experimentally. Quadratic variation of the LED current with respect to the laser intensity has been observed. Finally, the pulse duration of the 30 fs Ti:Sapphire laser has been measured with construction of a second-order autocorrelator based on TPA in the LED.
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