The AQ6360 is the fastest optical spectrum analyzer for optical device manufacturing offered by Yokogawa. This user's manual describes the instrument's functions, operating procedures, and handling. Page 1 User's Manual AQ6360 Optical Spectrum Analyzer Getting Started Guide IM AQ6360-02EN 1st Edition. Product Registration Thank you for purchasing YOKOGAWA products. YOKOGAWA provides registered users with a variety of information and services. 1 nm - 450 nm and wavelength accuracy of ±0.