Different Types of Microscopes and Their Functions
Different Types of Microscopes and Their Functions
Going back to the very first microscope invented in the 1590 to the microscope available today, there is a great earthshaking change in the technology. The microscope makes it possible to observe the minute organisms or the cells that are not visible by the naked eyes. Do you know the first microscope was an optical microscope? After that their have been lots of improvements in theparts of a microscope, which made it more advance. Today you can easily find manydifferent types of microscope. To a great extent, they are capable of magnifying the object.
Optical microscopes, as the oldest and simplest ones, are otherwise known as the light microscope. These microscopes use visible light and a combination of lenses to enlarge the vivid images of the samples. Both simple and compound microscopes are two basic types of optical microscopes. The difference between them is the former bears a single lens and the latter uses a combination of lenses. With the rapid development of high-tech, the latest type of optical microscope calleddigital microscope, also uses light to illuminate the samples.
Electron microscopehas a high resolution as compared to the other microscopes. An electron microscope uses a beam of highly energetic electrons to illuminate the object. As compared to the optical microscopes,electron microscopescan produce highly magnified images. There are two type's scanning Electron Microscope and the Transmission Electron Microscope. The original version of electron microscope, called transmission electron microscope, makes fully use of high voltage electron beam for the formation of image. Several parts of the sample may allow the beam to pass through it. However, others scatter the beam. This information about the specimen is carried by the beam, which emerges from the sample, which in turn is magnified by the lens system in fact.
Now you must be aware of the different types of microscopes and their functions. Apart from the microscopes discussed above, there are many specialized ones, which are used for particular purposes. As new inventions and researches will keep on changing, you need to keep an eye on the types of microscope regularly.
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