| 1. | The micro-channel plate fits between the photocathode and screen.
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| 2. | Photocathodes divide into two broad groups; transmission and reflective.
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| 3. | Caesium iodide photocathodes are highly efficient at extreme ultraviolet wavelengths.
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| 4. | These photocathode devices do not detect temperatures, but rather infrared radiation variances.
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| 5. | The S20 photocathode has a sensitivity of around 150 to 200 �A / lm.
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| 6. | The photocathode emits at most one electron for each arriving photon by the photoelectric effect.
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| 7. | Instead, a caesium iodide phosphor is deposited directly on the photocathode of the intensifier tube.
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| 8. | The light is focused onto the photocathode of a photomultiplier tube that triggers an electron avalanche.
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| 9. | Various filters, photocathodes, and electronics aided in collecting data in several ultraviolet light passbands.
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| 10. | The photons which are coming from the light source fall onto the photocathode, thereby generating photoelectrons.
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