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簡單介紹:
本系列激光相位調(diào)制器通過電光效應(yīng)實(shí)現(xiàn)對激光的相位進(jìn)行調(diào)制,可用于產(chǎn)生激光邊帶信號等用途。可根據(jù)使用場合,選擇光纖耦合式或者自由光傳播模式??蛇m用于大功率激光調(diào)制。
詳情介紹:
本系列激光相位調(diào)制器通過電光效應(yīng)實(shí)現(xiàn)對激光的相位進(jìn)行調(diào)制,可用于產(chǎn)生激光邊帶信號等用途。可根據(jù)使用場合,選擇光纖耦合式或者自由光傳播模式??蛇m用于大功率激光調(diào)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.
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