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Optical microscope. The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.
Microscopy. Scanning electron microscope image of pollen (false colors) Microscopic examination in a biochemical laboratory. Microscopy is the technical field of using microscopes to view objects and areas of objects that cannot be seen with the naked eye (objects that are not within the resolution range of the normal eye). [1]
Phase-contrast microscope. Phase-contrast microscopy (PCM) is an optical microscopy technique that converts phase shifts in light passing through a transparent specimen to brightness changes in the image. Phase shifts themselves are invisible, but become visible when shown as brightness variations.
Signature. Robert Hooke FRS (/ hʊk /; 18 July 1635 – 3 March 1703) [ 4 ][ a ] was an English polymath who was active as a physicist ("natural philosopher"), astronomer, geologist, meteorologist and architect. [ 5 ] He is credited as one of the first scientists to investigate living things at microscopic scale in 1665, [ 6 ] using a compound ...
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The light path of a bright-field microscope is extremely simple, no additional components are required beyond the normal light-microscope setup. The light path therefore consists of: a transillumination light source, commonly a halogen lamp in the microscope stand; a condenser lens, which focuses light from the light source onto the sample; an ...
Super-resolution microscopy. Super-resolution microscopy is a series of techniques in optical microscopy that allow such images to have resolutions higher than those imposed by the diffraction limit, [1][2] which is due to the diffraction of light. [3] Super-resolution imaging techniques rely on the near-field (photon-tunneling microscopy [4 ...
A fluorescence microscope is an optical microscope that uses fluorescence instead of, or in addition to, scattering, reflection, and attenuation or absorption, to study the properties of organic or inorganic substances. [ 1 ][ 2 ] "Fluorescence microscope" refers to any microscope that uses fluorescence to generate an image, whether it is a ...