It says the DVD bumps are 320-740 nm. Why does the demo image have only 1100 nm ... | Hacker News

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neolog on Feb 3, 2021 | parent | context | favorite | on: DVD Laser Scanner Microscope

It says the DVD bumps are 320-740 nm. Why does the demo image have only 1100 nm resolution?

veonik on Feb 3, 2021 [–]

The bumps are 740nm apart, but the laser is 1.1micrometer wide or 1100nm as shown in this diagram https://www.gaudi.ch/GaudiLabs/wp-content/uploads/Pits-1024x...

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