Verification regulation of resonance type wavemeter 谐振式波长计试行检定规程
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Wavemeter band meter 波长计频率计
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We have developed a high precision wavemeter with an accuracy of 2 10 ^ ( - 8 ) in measuring vacuum wavelength , and a frequency measurement instrument by femtosecond modelocked laser with an accuracy of commercial cs standard 为了适应研究工作的需要，研制了高精度激光波长计，测量真空波长的准确度可达2 10 ^ ( - 8 )的量级，同时研制了飞秒锁模激光的测频装置，目前的测量精度可与小铯钟的精度相同。
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