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Semiconductor diode laser
This the photocell (left) and semiconductor diode laser (right) from a portable CD player: the two slide back and forth along the groove you can see reading the bumps from the shiny side of a compact disc. You can see where it is in a CD player in this other photo.
This from our article on semiconductor laser diodes.
Our images are published under a Creative Commons Licence (see opposite) and are free for noncommercial use. We also license our images for commercial use. Please contact us directly via our website for more details.
Semiconductor diode laser
This the photocell (left) and semiconductor diode laser (right) from a portable CD player: the two slide back and forth along the groove you can see reading the bumps from the shiny side of a compact disc. You can see where it is in a CD player in this other photo.
This from our article on semiconductor laser diodes.
Our images are published under a Creative Commons Licence (see opposite) and are free for noncommercial use. We also license our images for commercial use. Please contact us directly via our website for more details.