Moku:Lab多功能测量仪之激光锁频/稳频功能

稳定的激光频率对专业测量或者时间/频率标准领域中的许多系统都至关重要。Moku:Lab激光锁频/稳频是一个高性能激光锁定系统，具备锁定诊断和一些自动化程序，可以使用各种激光锁定技术锁定激光，该系统可用于大多数激光器和频率参考。

PDH 锁定技术基本原理图示

主要特色

·       Local oscillator options本机振荡器选项

o   internal LO

o   PLL LO

o   external LO

·       Single Fast PID 独立高频PID

·       Single Slow PID独立低频PID

·       Scan generator 扫描发生器

o   triangular 三角波

o   sawtooth锯齿波

·       auxiliary sine gen辅助正弦信号发生器

·       configurable low pass filter (2 x SOS)可配置的低通滤波器

·       Monitoring options监测选项

o   Inputs输入

o   Outputs输出

o   error signal误差信号

o   demodulation解调

o   scan扫描

o   aux sine辅助正弦

·       conditional triggering条件触发

·       tap to lock点击即可锁定

·       scope scan lock - locks axis to scan for scanning ease范围内扫描锁定

主要特点

·       Block diagram view of the signal processing chain信号处理框图

·       Demodulate signals with internal or external local oscillator使用内部和外部本机振荡器解调信号

·       Scan resonances with sawtooth or triangle waveforms 扫描锯齿波或三角波共振

·       Observe signals at different locations in the signal processing chain using an integrated oscilloscope使用内置示波器观测在信号处理过程中不同位置的信号

·       Quickly lock to any zero-crossing in the error signal using the ‘Tap-to-Lock’ feature  使用“点击-锁定”功能快速锁定到误差信号的任一零交叉点。

·       Low-pass filter demodulated signals with up to fourth order infinite-impulse response filters低通滤波器即高达四阶无限冲激响应滤波器解调信号

·       Individually configure high- and low-bandwidth PID controllers for fast and slow feedback可单独配置的高带宽、低带宽PID控制器用于高频、低频反馈

·       Observe signals with respect to the scanning voltage using the ‘Scope-Scan Lock’ feature使用范围内扫描锁定功能观测与扫描电压有关的信号

Key Specifications典型参数

·       Demodulate with frequencies up to 200 MHz with 3.55 µHz resolution

    解调高达200 MHz频率，频率分辨率3.55 µHz

·       Generate modulation signals at up to 200 MHz

    生成高达200 MHz的解调信号

·       Scan resonances with sawtooth or triangle waveforms at up to 1 MHz

    扫描高达1 MHz锯齿波或三角波共振

·       Generate control signals at a sampling rates of 31.25 MSa/s

    以31.25 MSa/s采样率生成控制信号

·       Continuously acquire data at up to 1 MSa/s

    以高达1 MSa/s持续采集数据

·       AC / DC input coupling

    AC / DC输入耦合

·       50 Ω / 1 MΩ input impedance

    50 Ω / 1 MΩ输入阻抗

·       Adjust the low-pass filter cut-off frequency between to 2.081 kHz and 28.13 MHz

    可在2.081 kHz - 28.13 MHz之间调整低通滤波器截止频率

    更多详细介绍，请参见：https://www.liquidinstruments.com/