Direct measurement of darkness using a standard single-photon avalanche photodiode
In experiments requiring extreme darkness, such as experiments probing the limits of human vision, assessment of the background photon flux is essential. However, direct measurement thereof with standard single photon detectors is challenged by dark counts and their fluctuations. Here we report an e...
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| creator | van der Reep, T. H. A Molenaar, D Löffler, W |
| description | In experiments requiring extreme darkness, such as experiments probing the
limits of human vision, assessment of the background photon flux is essential.
However, direct measurement thereof with standard single photon detectors is
challenged by dark counts and their fluctuations. Here we report an experiment
and detailed statistical analysis of a direct measurement of darkness in a
dedicated dark chamber suitable for human vision experiments, only using a
standard single photon detector and a mechanical shutter. From a Bayesian
analysis of $616$ h of data, we find substantial to decisive evidence for
absolute darkness (depending on choice of prior distribution) based on the
Savage-Dickey ratio, and a light level $ |
| doi_str_mv | 10.48550/arxiv.2410.06691 |
| format | Article |
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limits of human vision, assessment of the background photon flux is essential.
However, direct measurement thereof with standard single photon detectors is
challenged by dark counts and their fluctuations. Here we report an experiment
and detailed statistical analysis of a direct measurement of darkness in a
dedicated dark chamber suitable for human vision experiments, only using a
standard single photon detector and a mechanical shutter. From a Bayesian
analysis of $616$ h of data, we find substantial to decisive evidence for
absolute darkness (depending on choice of prior distribution) based on the
Savage-Dickey ratio, and a light level $<0.039$ cnt/s (posterior $0.95$-highest
density interval).</description><identifier>DOI: 10.48550/arxiv.2410.06691</identifier><language>eng</language><subject>Physics - Data Analysis, Statistics and Probability ; Physics - Optics ; Physics - Quantum Physics ; Statistics - Applications</subject><creationdate>2024-10</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2410.06691$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2410.06691$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>van der Reep, T. H. A</creatorcontrib><creatorcontrib>Molenaar, D</creatorcontrib><creatorcontrib>Löffler, W</creatorcontrib><title>Direct measurement of darkness using a standard single-photon avalanche photodiode</title><description>In experiments requiring extreme darkness, such as experiments probing the
limits of human vision, assessment of the background photon flux is essential.
However, direct measurement thereof with standard single photon detectors is
challenged by dark counts and their fluctuations. Here we report an experiment
and detailed statistical analysis of a direct measurement of darkness in a
dedicated dark chamber suitable for human vision experiments, only using a
standard single photon detector and a mechanical shutter. From a Bayesian
analysis of $616$ h of data, we find substantial to decisive evidence for
absolute darkness (depending on choice of prior distribution) based on the
Savage-Dickey ratio, and a light level $<0.039$ cnt/s (posterior $0.95$-highest
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limits of human vision, assessment of the background photon flux is essential.
However, direct measurement thereof with standard single photon detectors is
challenged by dark counts and their fluctuations. Here we report an experiment
and detailed statistical analysis of a direct measurement of darkness in a
dedicated dark chamber suitable for human vision experiments, only using a
standard single photon detector and a mechanical shutter. From a Bayesian
analysis of $616$ h of data, we find substantial to decisive evidence for
absolute darkness (depending on choice of prior distribution) based on the
Savage-Dickey ratio, and a light level $<0.039$ cnt/s (posterior $0.95$-highest
density interval).</abstract><doi>10.48550/arxiv.2410.06691</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Data Analysis, Statistics and Probability Physics - Optics Physics - Quantum Physics Statistics - Applications |
| title | Direct measurement of darkness using a standard single-photon avalanche photodiode |
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