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by iiivlaser
May 12th, 2015, 11:43 am
Forum: Other Keithley Instrument Products
Topic: 2520 measurement errors of laser diode back monitor current
Replies: 3
Views: 14189

Re: 2520 measurement errors of laser diode back monitor curr

thanks for the reply. we already have the system set up and operational. we can measure with DC sweep, but need better accuracy for the low current measurements. is there anyway to add or modify the set up to accomplish this?
by iiivlaser
May 12th, 2015, 10:23 am
Forum: Other Keithley Instrument Products
Topic: 2520 measurement errors of laser diode back monitor current
Replies: 3
Views: 14189

2520 measurement errors of laser diode back monitor current

we are using 2520 to characterize L-I-V and back monitor photodiode of a packaged low power telecoms laser diode. monitor photodiode current is in the range of 30-1000 uA. 2520's photodiode current measure accuracy is 0.3%rdg + 20 uA. does this mean best case accuracy is +/- 20 uA? how can we accura...

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