Stanford Research Systems SR540 光学斩波控制器用于对光信号的强度进行方波调制。该装置可以以 4 Hz 至 3.7 kHz 的速率斩波光源。多功能、低抖动参考输出提供多种工作模式所需的同步信号：单波束或双波束;和差频率;以及 20 kHz 的合成斩波。
Characteristics:
Chopping frequency from 4 Hz to 3.7 kHz
Low phase jitter
Single-beam and double-beam experiments
Reference outputs of Sum and Difference
Bolt clamp or rod installation
The Stanford Research Systems SR540 optical chopper controller is used for square wave modulation of the intensity of optical signals. This device can chop the optical source at a rate ranging from 4 Hz to 3.7 kHz. The multi-functional and low-jitter reference output provides the synchronization signal required for multiple working modes: single-beam or dual-beam; Sum and difference frequency And a synthetic chopping at 20 kHz.
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