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Differences between light/optical and electron microscopes?

Differences between light/optical and electron microscopes? - Confocal - Microscopy Imaging Techniques

Differences between light/optical and electron microscopes? - All about Microscopy, Confocal Microscopy, Fluorescence microscopy and Other Imaging Techniques


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Old 09-12-2009, 05:18 PM
Pipette Filler
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Default Differences between light/optical and electron microscopes?



Answer as many as you like about the following:
-radiation source
-lense type
-wavelength of radiation
Further q - what lens does an electron microscope use?
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Old 09-12-2009, 05:18 PM
Pipette Filler
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Light microscope:
Radiation source - Visible light (sunlight / little electricity)
Lens type - use glass lenses ( unaffected by magnetic fields)
Medium through radiation travel - air

E. microscope:
Radiation source - Electron beam (require up to 100,000 V)
Lens type - Use magnetic lenses and affected by magnetic fields.
Medium through radiation travel - vacuum

sorry I don't know the wave lengths.
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Old 11-10-2010, 12:52 PM
Pipette Filler
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Default Re: Differences between light/optical and electron microscopes?

light micro scope can resolve image not more than 0.2 micro meter
electron microscope can resolve image as small as 0.2 nano meter
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