A multi wave length photo electric laser power meter of the utility model relates to a testing various wave lengths laser power dynamometer in the laser technical field.
一种多波长光电激光功率计，属于激光技术领域中涉及的一种能测试多种波长激光器功率的功率计。
The new format USES a blue laser with a short wave length 405nm allowing large amounts of data to be packed in high density and stored on a standard size disc.
此光盘格式采用波长为405纳米的蓝光激光源，能够高密度地将大容量数据存储在标准尺寸的光盘上。
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