Advantest Q8384 Optical Spectrum Analyzer: Difference between revisions

Latest revision as of 16:05, 11 July 2014

Sensitivity should be ≥ nW over all wavelengths. First noticed in May 2014 though, sensitivity at 1064 nm is only to tens of μW and at 780 nm is only to about 100 μW. Cleaning the coupling connection had little effect.

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+[[File:Q8384_front.jpg|thumb|400px|]]
 == Files ==
 * [https://wiki.physics.wisc.edu/yavuz/images/a/a0/ADV_Q8384_Operations.pdf User Manual]
 * [https://wiki.physics.wisc.edu/yavuz/images/c/cc/ADVANTEST_Q8384_datasheet.pdf Data Sheet]
-[[File:Q8384_front.jpg|thumb|400px|]]
 == Notes ==
-Paid for Dec 21, 2011; received Fall 2011.
+* Paid for Dec 21, 2011; received Fall 2011.
-Max input is 23 dbm or 200 mW
+* Max input is 23 dBm or 200 mW
-Sensitivity should be ≤ nW over all wavelengths.  First noticed in May 2014 though, sensitivity at 1064 nm is only to tens of μW  and at 780 nm is only to about 100 μW.  Cleaning the coupling connection had little effect.
+* Sensitivity should be ≥ nW over all wavelengths.  First noticed in May 2014 though, sensitivity at 1064 nm is only to tens of μW  and at 780 nm is only to about 100 μW.  Cleaning the coupling connection had little effect.