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    Université de Fribourg

    An arbitrary-function light power controller

    Grujić, Zoran D. ; Piller, Jari ; Weis, Antoine

    In: Review of Scientific Instruments, 2018, vol. 89, no. 2, p. 025114

    We describe the design, applications, and performance of a simple light power controller. The device is built on a fiber-coupled electro-optic modulator with an active electronic feedback. It can be used to actively stabilize laser power or to impress an arbitrary waveform onto the power. The bandwidth of the device is ∼70 kHz.