【摘要】 概述了半导体激光器噪声测试领域的几种先进技术方法，包括直接测量、互谱测量、多通道测量、数字测量及干涉测量。介绍了各种方法的原理和特点。更多还原

【Abstract】 Some advanced methods on noise measurement are presented, including some direct measuring, such aS cross-spectrum measuring, multi-channel measuring, digital measuring, interference measuring. The principles and characters of all the measuring methods are introduced.更多还原