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phase contrast microscope (1)

What is phase contrast microscope?

A phase contrast microscope is a type of optical microscope that uses a specialized optical system to enhance the contrast of transparent, unstained specimens. It works by taking advantage of differences in the refractive index of different parts of a specimen, which can cause variations in the phase of light passing through the sample. In a phase contrast microscope, a special annular or phase plate is inserted into the optical pathway to convert the variations in phase into variations in intensity. This produces a high-contrast image of the sample, even though it may be nearly invisible under normal bright field illumination. Phase contrast microscopy is commonly used to observe living cells and other biological specimens that are difficult to stain or fix, such as mammalian cells, bacteria, and algae. It allows researchers to observe the internal structures of cells, such as organelles, without the need for staining or other invasive techniques. One of the advantages of phase contrast microscopy is that it is non-destructive, allowing researchers to observe living cells and other specimens in real-time. It is also relatively easy to use and requires minimal sample preparation, making it a valuable tool in many areas of biological research. Overall, phase contrast microscopy is a powerful tool for studying transparent, unstained specimens, allowing researchers to observe their internal structures and behaviors in great detail. It is widely used in biological and medical research, as well as in materials science and other fields. OPTO-EDU is one of the top professional supplier for microscope from China! We focus in this field  for more than 20 years. We supply microscopes and educational instruments. we have over 2100 microscope models, 3400 educational instruments shown on our main website www.optoedu.com. From the elementary entry-level models to the most professional solutions, we can meet the different needs of various customers from school & college, medical, scientific research, industry, agriculture and various fields.

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