SRS
SR542 – Precision Optical Chopper
Overview
The SR542 Precision Optical Chopper provides ultra-stable and flexible optical chopping. The chop frequency is tunable over a wide range, and frequency and phase can be controlled from a variety of input sources including synchronization to an external reference. The front panel provides an intuitive view of the entire configuration at-a-glance, while remote USB communication permits full control from a remote PC.
Key Features
- 0.4 Hz to 20 kHz frequency range
- Flexible synchronization
- Low phase jitter
- 0.01° phase resolution
- 20 ppm frequency accuracy
- Long-life brushless motor
- USB computer interface


