IdealPhotonics' intensity noise analyzer is an instrument specifically designed for high-precision measurement of optical signal power fluctuation characteristics. Its core function is to quantify and analyze the relative intensity noise (RIN), noise spectral density, and dynamic stability of laser or optoelectronic devices.Through high-sensitivity photoelectric detection and spectral analysis technology, it achieves ultra-low noise detection and multi-dimensional quantification of optical power fluctuations (such as RIN), covering the DC to GHz frequency band.