【摘要】 本文描述一个用于精密测量亚毫米波频率的4mm注入锁相稳频源,其输出功率约为20mW。当用于精密测量HCN激光器的337μm线时,该稳频源的频率为68.5GHz,最小频率步长为8.1kHz,拍频信号的信噪比不低于150:1。文中还分析了稳频源的短期稳定度。更多还原

【Abstract】 A 4mm injection-locked source which can be used in precise frequency measurement of submilliraeter wave is described.Its output power is about 20mW.When it is used in the measurement of the 337μm line of HCN laser,the frequency of the source is 68.5 GHz,the smallest frequency step is 8.1 kHz and the signal-to-noise ratio of the beat signal is not less than 150:1.The short-term frequency stability is also analyzed.更多还原