Imported optical mirror, reduce wastage of laser power, high quality of light beam.

进口光学激光镜片组，激光功率光损耗低，光束质量好。

youdao

The products or the mold core need optical mirror, CD pattern, wood grain, diamond pattern, drawing lines, diamond-shaped pattern surface;

对表面需求光学镜面、CD纹、木纹、钻石纹、拉丝纹、菱形纹之产品或模芯；

youdao

youdao

Unlike electronic switches, micro-mirror optical switches do not slow the signal down.

ECONOMIST: Reinventing Marconi

The mirror-less camera builds on its forbears, phasing out the mirror-based optical viewfinder of the SLR camera and adding an interchangeable lens mount, while keeping the light-weight feel of the compact camera.

FORBES: New Developments for the Camera Category

To do so, he dipped the end of an optical fibre into a bead of molten gallium, then allowed the gallium to freeze, creating the mirror.

ECONOMIST: Optical communications: Swish switches | The