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Low light detectors, for example those used in cameras only operate at certain frequencies / wavelengths. Outside of these wavelengths they become inefficient and for certain wavelengths commercial available detectors may not function at all. However the material properties or dimensions of the item to be imaged dictate the optimal wavelength. An imagining...

Published: 27/09/2023

Category(s): Technology > Computing, Technology > Medical Devices, Engineering > Biomedical

Laser Eye

Lasers produce a concentrated beam of light which can cause permanent eye damage if viewed directly. Standard protective goggles block out a narrow frequency range which must be matched to the laser in use. However if the laser uses multiple wavelengths, or if these occur in the visible spectrum then the user may not even be able to see what they are...

Published: 21/10/2020

Category(s): Technology > Medical Devices, Engineering > Electrical, Engineering > Materials, Engineering > Mechanical