dorsal/arxiv
View SchemaNew Developments in Hybrid Photon Detectors
| Authors | Daniel Ferenc |
|---|---|
| Categories | |
| ArXiv ID | physics/9810004 |
| URL | https://arxiv.org/abs/physics/9810004 |
Abstract
New developments in HPD design are presented, triggered by applications in high energy physics and astrophysics. The presented HPD designs are based on three innovations. (i) In order to achieve the highest possible surface coverage in a RICH detector, we introduced a photoelectron focussing method which is efficient to the periphery of the photocathode. (ii) To prevent positive ion feedback in HPDs, we introduced a permanent potential barrier in front of the anode. (iii) To replace a transmittive by a reflective photocathode, we arrived at a conceptually new HPD design with surprisingly good imaging characteristics, high quantum efficiency and low cost.
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"abstract": "New developments in HPD design are presented, triggered by applications in\nhigh energy physics and astrophysics. The presented HPD designs are based on\nthree innovations. (i) In order to achieve the highest possible surface\ncoverage in a RICH detector, we introduced a photoelectron focussing method\nwhich is efficient to the periphery of the photocathode. (ii) To prevent\npositive ion feedback in HPDs, we introduced a permanent potential barrier in\nfront of the anode. (iii) To replace a transmittive by a reflective\nphotocathode, we arrived at a conceptually new HPD design with surprisingly\ngood imaging characteristics, high quantum efficiency and low cost.",
"arxiv_id": "physics/9810004",
"authors": [
"Daniel Ferenc"
],
"categories": [
"physics.ins-det"
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"title": "New Developments in Hybrid Photon Detectors",
"url": "https://arxiv.org/abs/physics/9810004"
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