Detector

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Optical Chopper System and Chopper Wheels

- Crystal-Stabilized, Phase-Locked Feedback Loop Suppresses

- Low Frequency Drift and Pulse Jitter

- Manual, USB, and External Trigger Controller

- 15 Blades Covering Frequencies from 4 Hz to 10 kH

- Crystal-Stabilized, Phase-Locked Feedback Loop Suppresses Low Frequency Drift and Phase Jitter

- Harmonic, Subharmonic, and Fractional Harmonic Chopping with Sum and Difference Reference Outputs

- Microprocessor Controlled

- Single- and Dual-Frequency Blades Available

- Harmonic Frequency Blades Available for Pump-Probe and Other Nonlinear Experiments

- Save and Recall User Setups in Non-Volatile RAM

- USB Interface

- Control Software Package Included