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Dual Laser FSI

Dual Laser FSI. Alice Lighton. Project Summary. To set up a system for Dual Laser FSI. The Dual Laser System. Agilent Laser. Santech Laser. Signal Generator. Signal Generator. Power Supply ±12V. X5. Potentiometer. EDFA. EDFA. Splitter Tree. Attenuator. From Lasers. From Reference.

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Dual Laser FSI

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  1. Dual Laser FSI Alice Lighton

  2. Project Summary To set up a system for Dual Laser FSI

  3. The Dual Laser System Agilent Laser Santech Laser Signal Generator Signal Generator Power Supply ±12V X5 Potentiometer EDFA EDFA Splitter Tree Attenuator From Lasers From Reference From Measurement Measurement Interferometer See next slide ReferenceInterferometer

  4. photodiodes + amplifiers ADC + amplifiers DAQ amplifier gain controller Light Detection and Amplification

  5. Controller for Amplifier Gains On mealicar1

  6. The Amplifiers

  7. X5 • Input RF Voltage • Bias Voltage

  8. Simulated Data (In reality sidebands MUCH less intense)

  9. Length Measurements Reference @2.3MHz Measurement @2.3MHz Reference @1.0MHz Measurement @1.0MHz

  10. Problems • No in-built filtering • Large errors – from demodulation, photodiodes?

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