Stability test and analysis of domestic substitution optical spectrum analyzer
Optical spectrum analyzer is an important instrument in the field of optical communication measurement.In order to find out the stability of the localization substitution optical spectrum analyzer,provide guidance for the majority of users to choose a optical spectrum analyzer,and provide constructive data support and suggestions for the improvement of the localization substitution optical spectrum analy-zer,this article selects two latest models of localization substitution optical spectrum analyzers as sam-ples.Experiments were designed to test the optical wavelength indication error,optical power indication error and nonlinearity,dynamic range and minimum resolution bandwidth,and the observation time was more than 3 months.Meanwhile,AQ6370D was selected as the control experimental group.The experi-mental results show that at present,the localization substitution optical spectrum analyzer has the per-formance close to the foreign advanced spectrum analyzer,and can be replaced in the basic application,and the performance under the stability and limit measurement conditions still has room to improve.
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