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Light Sources
Inordertogenerateenoughexcitationlightintensitytofurnishsecondaryfluorescenceemissioncapableofdetection,powerfullightsourcesareneededsuchasmercuryorxenonarc(burner)lamps.
2018-04-25 Pooher Inc. 218
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Microscope Objectives: Numerical Aperture and Resolution
The numerical aperture of a microscope objective is a measure of its ability to gather light and resolve fine specimen detail at a fixed object distance.
2018-03-29 Pooher Inc. 423
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Anatomy of the Microscope - Microscope Objectives
A majority of microscope manufacturers also offer a wide variety of objectives having unique configurations designed to perform specific functions not normally found on common laboratory microscopes.
2018-03-29 Pooher Inc. 313
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Köhler Illumination - Light Sources
Early microscopists relied on oil lamps and natural sunlight to provide an external source of illumination for their primitive (but often remarkably accurate) microscopes.
2018-03-26 Pooher Inc. 122
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Aberrations in Confocal Microscopy
Refinements in design have simplified confocal microscopy to the extent that it has become a standard research tool in cell biology.
2017-09-25 admin 473
