Optical Spectrum Analyzer - The Agilent 86140A and 86142A optical spectrum analyzers are high performance benchtop instruments that offer a com-bination of flexibility, high accuracy and throughput for both R&D and manufacturing environments. These are complimentedby the portable Agilent 86143A and 86145A, providing performance in a compact 14.5 kg package for environments wheresmall size and weight are important.