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PDF ESS3271 Data sheet ( Hoja de datos )
| Número de pieza | ESS3271 | |
| Descripción | Spectrometer | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ESS3271 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Spectrometer
ESS3271 Lecture
Spectrometer
• An optical instrument used to measure
properties of light over a specific portion
of the electromagnetic spectrum
• The variable measured is most often the
light's intensity
• A spectrometer is used in spectroscopy for
producing spectral lines and measuring
their wavelengths and intensities
Light
dispersion
1 page  
PMT
• Photomultipliers are constructed from a glass
vacuum tube which houses a photocathode,
several dynodes, and an anode
• Incident photons strike the photocathode
with electrons being produced as a
consequence of the photoelectric effect
• These electrons are directed by the focusing
electrode towards the electron multiplier,
where electrons are multiplied by the process
of secondary emission
• Each dynode is held at a more positive
voltage than the previous one
5 Page 
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12 000-20000-300-02-0607
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ESS3271.PDF ] | |
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