We tested precision scopes that cost a few hundred to a few thousand dollars and are ideal for ringing steel at extended ...

Micro-optics are optical systems that are between a few micrometres and a millimetre in size. This includes small lenses or arrays of lenses, or optical fibres with a microscale core diameter. Such ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into one ...

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