簡單介紹
本系列激光相位調制器通過電光效應實現對激光的相位進行調制,可用于產生激光邊帶信號等用途。可根據使用場合,選擇光纖耦合式或者自由光傳播模式。可適用于大功率激光調制。
產品描述
本系列激光相位調制器通過電光效應實現對激光的相位進行調制,可用于產生激光邊帶信號等用途??筛鶕褂脠龊?,選擇光纖耦合式或者自由光傳播模式。可適用于大功率激光調制。
If the input polarization is parallel to the optical axis the optical phase can be modulated by applying different electric fields to the crystal. Applying an AC-Voltage results in a time-dependant phase and thus in a frequency shift in the output signal. Next to the carrier frequency fc sidebands appear D withf= fc ±n·fM (fM= frequency of the electric field, n∈N). The a plitude of the sidebands with respect to the carrier can be influenced by the amplitude of the applied voltage and are given by the Bessel functions. Many application, e.g. in quantum optics like Pound-Drever-Hall set-ups or laser frequency stabilization rely on such well-defined triplets of frequency.
If the input polarization is parallel to the optical axis the optical phase can be modulated by applying different electric fields to the crystal. Applying an AC-Voltage results in a time-dependant phase and thus in a frequency shift in the output signal. Next to the carrier frequency fc sidebands appear D withf= fc ±n·fM (fM= frequency of the electric field, n∈N). The a plitude of the sidebands with respect to the carrier can be influenced by the amplitude of the applied voltage and are given by the Bessel functions. Many application, e.g. in quantum optics like Pound-Drever-Hall set-ups or laser frequency stabilization rely on such well-defined triplets of frequency.
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