A ring laser of the present invention includes multiple ring resonators with different optical path lengths, wherein at least part of the multiple ring resonators is optically coupled, and a propagating direction of laser light propagating in the ring resonators is not reversed by the coupling.

Um laser do anel da invenção atual inclui ressonadores múltiplos do anel com comprimentos de trajeto óticos diferentes, wherein ao menos a parte dos ressonadores múltiplos do anel é acoplada ótica, e um sentido propagar da luz de laser que propaga nos ressonadores do anel não é invertido pelo acoplamento.

 
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< Image forming apparatus with various voltage levels applied to transferring member

< Image forming apparatus including contact transfer member having transfer current controlled in accordance with ratio of image portion at transfer portion

> Recording material separating apparatus of which separating member is retractable in operative association with guide

> Process cartridge and electrophotographic image forming apparatus

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