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Hello gumy , both the bias voltage to the photodiode and ad620 is given from battery. no i dont get always 9V on capacitor, it depends on the laser light intensity. more intensity greater voltage,less intensity lower voltage.
thanks
Hello,
i have built a peak detector for by photodiode circuit(https://obrazki.elektroda.pl/7910969900_1371546262.jpg) this photodiode will detect a laser intensity , i need to measure the peak intensity at sum points on my set up, but capacitor do not hold the charge,its discharges time is...
at present am using only a simple receiver photodiode and a load resistor . as the photodiode has sum capacitance and this load resistor from RC constant i wanted to control the 1 microsecond with this , it works pretty good with 1kohm resistor with reverse bias voltage . not able to achieve...
hello thylacine ,
sorry for the late reply , first of all i did not understand your question about spatial resolution , about the laser pulse and speed , am using a laser which has a pulse of 1microsecond , so i have to detect this pulse start . which am able to do with a si photodiode with a...
hello thylacine ,
Thanks for the information . I have to detect laser pulse radiation in this project, am interested in intensity of laser with high speed , pulse shaped and laser beam power at different distance from it . This laser has 70mm width and 20mm height ,have to measure energy...
hello ,
I am trying to bulid a system for optical measurement of laser radiation , for laser light measurement i have selected a si pin photodiode. need information about the circuits which can measure the current ot voltage from photodiode , am very new to this field . any ideas or links...
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