All-fiber Marmif laser

The utility model discloses an all-fiber Marmith laser, which comprises a first fiber grating, the first fiber grating is sequentially connected with a wavelength division multiplexer, a hybrid optical passive device, a first erbium-doped fiber, a coupler and a second fiber grating, the wavelength division multiplexer is connected with a first semiconductor laser, and the hybrid optical passive device is connected with a seed source. The laser provided by the utility model solves the problems of large size and low portability of the existing Marmif laser. 本实用新型公开了全光纤化的马米舍夫激光器，包括第一光纤光栅，第一光纤光栅依次连接有波分复用器、混合光无源器件、第一掺铒光纤、耦合器、第二光纤光栅，波分复用器连接有第一半导体激光器，混合光无源器件连接有种子源。本实用新型激光器解决了现有马米舍夫激光器体积大且便携性低的问题。