Definition of proximity-focused image tube

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Excelitas PCO GmbH - PCO.Edge 11-24 BIO LB

Photonics Dictionary

proximity-focused image tube: A planar photocathode and a planar phosphor screen mounted in a close-spaced parallel configuration in an evacuated enclosure so that the ensemble of photoelectrons emitted from each photocathode area does not have time to spread out appreciably in crossing the gap between the photocathode and the phosphor screen.

Sheetak - Cooling at your Fingertip 11/24 MR

Meadowlark Optics - Wave Plates 6/24 MR 2024

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