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5 terms
Photonics Dictionary: Q
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quadratic phase terms
Conceptual formulas that characterize both the transmittance functions of lenses and propagation in the Fresnel zone.
quantitative phase imaging
Quantitative phase imaging (QPI) is an advanced imaging technique used in microscopy to measure and analyze the optical phase information of transparent specimens. Unlike traditional brightfield...
quantum key distribution
Quantum key distribution (QKD) is a method of secure communication that utilizes principles from quantum mechanics to establish a shared secret key between two parties, typically referred to as Alice...
quantum repeater
A quantum repeater is a crucial component in quantum communication networks, designed to extend the range over which quantum information can be transmitted. Quantum information, typically carried by...
quartz light source
A lamp with a quartz envelope that transmits radiation generally rich in the ultraviolet.
Photonics Dictionary
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