Lighting Up Microscopes: Advances and Emerging Sources
Microscope developers are a resourceful bunch, opting to use the light source available to them at the time to peer at or below the surface of various materials. Even dating back to the 17th century, Galileo used sunlight to produce the very first optical microscope. The next illumination sources to become available were lamps such as tungsten (incandescent), xenon, mercury and metal halide vapor. While such lamps can still be found in laboratories today, it was when an entirely new way of...
Photonics Spectra, June 2016