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Stanford SR540 Optical Chopper

Home Products Instrumentation Instrumentation Stanford SR540 Optical Chopper

Stanford SR540 Optical Chopper

Stanford Research Systems

The SR540 from Stanford Research Systems will handle all your optical chopping requirements - from simple measurements to dual-beam and intermodulation experiments. The SR540 has a 4-digit frequency display, front-panel frequency control, analog voltage frequency control and two reference outputs with selectable operating modes. Two anodised aluminium blades are provided; a 5/6 slot blade for frequencies up to 400Hz and a 25/30 slot blade for frequencies up to 3.7kHz. Reference outputs are provided for frequencies corresponding to each row of slots, as well as the sum and difference frequencies.


  • 4Hz to 3.7kHz chopping frequencies
  • Low phase jitter
  • Single and dual beam experiments
  • Sum & difference reference outputs
  • Bolt clamp or rod mounting

For further information please contact us or download the datasheet.


     SR540 datasheet                                            Read more on Stanford's website