SR540 - Optical Chopper
Stanford Research Systems - SRS
The SR540 chopper will handle all your optical chopping requirements - from simple measurements to dual-beam and intermodulation experiments.
- 4 Hz to 3.7 kHz chopping frequencies
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Low phase jitter
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Single and dual beam experiments
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Sum & difference reference outputs
- Bolt clamp or rod mounting
Electronic Test & Measurement 
