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Meadowlark Optics - Wave Plates 6/24 LB 2024

By the Numbers: Photon Counting and Number Resolution

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There is more to single-photon detectors than resolving single photons. Getting the most out of these devices requires a deeper understanding of quantum mechanics and detector design.

SLAWOMIR S. PIATEK AND EARL HERGERT, HAMAMATSU CORP.

Light transmits information about its emitter (source) and the medium of propagation. If this information is relevant, the light can be detected for analysis — and it has been detected with increasing levels of sensitivity and resolution over the years. Today’s detectors have the ability to achieve single-photon resolution. Putting such capabilities into practical application is still not a trivial task, however, and can benefit from a deeper understanding of the principles of detection and single-photon resolution. Over time, engineers have designed a multitude of photonic...Read full article

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    Published: May 2023
    Glossary
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    Featuressensorsdetectorssingle-photon countingsingle-photon resolutionquantum

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