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What is a ...

Publish time 2024.07.10

Scanning field mirror, also often called F-Theta field mirror or f-θ field mirror, is a specia...

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What is th...

Publish time 2024.07.10

The connection of the bandwidth of the filter is often used in bandpass filters (divided into narrow...

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Refractive...

Publish time 2024.07.10

Refractive index is an important concept in optics, which describes the characteristics of the chang...

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