For getting superior quality and denser WDM device, a new method to make demultiplexing device with volume holographic technology is studied.
为了寻求更高质量和密集度的WD M器件，对体全息技术制作WD M器件的新方法进行了研究。
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Japanese firm has come up with a holographic character that is also a smart home device.
这是由一家日本公司研发的全息投影式角色，她还是一位智能家居助手。
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This article introduced the experiment theorem and device of calculating the material linear expansive coefficient with the holographic interferometry.