Piezo-electric transducer actuated mirror with a servo bandwidth beyond 500 kHz | Zendy

Takuma Nakamura | Zendy; Shuntaro Tani | Zendy; Isao Ito | Zendy; Mamoru Endo | Zendy; Yohei Kobayashi | Zendy

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Piezo-electric transducer actuated mirror with a servo bandwidth beyond 500 kHz

Author(s) -

Takuma Nakamura,

Shuntaro Tani,

Isao Ito,

Mamoru Endo,

Yohei Kobayashi

Publication year - 2020

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.390042

Subject(s) - transducer , bandwidth (computing) , optics , servo bandwidth , laser , electronic circuit , piezoelectricity , materials science , servo , acoustics , computer science , servo control , physics , electrical engineering , telecommunications , engineering , artificial intelligence

We demonstrate a novel system that uses a piezoelectric transducer (PZT)-actuated mirror for laser stabilization. A combination of a simple mechanical design and electronic circuits is used to realize an ultra-flat frequency response, which enables an effective feedback bandwidth of 500 kHz. The PZT also performed well when used in a mode-locked laser with a GHz repetition rate, to which it is difficult to apply an electro-optic modulator (EOM).

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