Opticsbasics pdf

Acrylic (PMMA) Plastic Windows are ideal for integration into lightweight optical systems. Compared to polycarbonate windows, acrylic windows are more scratch resistant and can be polished to restore optical quality but are more likely to chip or shatter. Acrylic (PMMA) Plastic Windows also provide a higher UV light transmission than polycarbonate and are recyclable. Acrylic windows are used in a wide variety of industrial and medical applications including aircraft windows, automobile headlights, and ophthalmological devices.

Liquid-state lasing has so far relied primarily on organic dyes. Charge management in colloidal quantum dot heterostructures enables optical gain and stable lasing in liquid solutions.

We propose a multi-particle ‘which-path’ gedanken experiment with a quantum detector. Contrary to conventional ‘which-path’ experiments, the detector maintains its quantum state during interactions with the particles. We show how such interactions can create an interference pattern that vanishes on average, as in conventional ‘which-path’ schemes, but contains hidden many-body quantum correlations. Measuring the state of the quantum detector projects the joint-particle wavefunction into highly entangled states, such as GHZ’s. Conversely, measuring the particles projects the detector wavefunction into desired states, such as Schrodinger-cat or GKP states for a harmonic-oscillator detector, e.g., a photonic cavity. Our work thus opens a new path to the creation and exploration of many-body quantum correlations in systems not often associated with these phenomena, such as atoms in waveguide QED and free electrons in transmission electron microscopy.

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A compact on-chip polarimeter can be created using subpixels made from metasurface photodetectors and a machine learning algorithm.

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Liquid-state lasing has so far relied primarily on organic dyes. Charge management in colloidal quantum dot heterostructures enables optical gain and stable lasing in liquid solutions.

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Liquid lasers based on solutions of colloidal quantum dots exhibit a trion-like optical gain state with suppressed Auger recombination, which combined with a Littrow optical cavity enables stable and tunable liquid-state lasing.

One electron σ-bonds were first proposed in 1931 but most discussion since then has been at a theoretical level. The first experimentally observed single-electron C–C bond both advances our fundamental understanding of bonding and provides the basis of an approach to creating a new class of molecules.

A compact on-chip polarimeter can be created using subpixels made from metasurface photodetectors and a machine learning algorithm.

Optics and photonics is the study of the fundamental properties of light and harnessing them in practical applications. Optics and photonics covers the entire electromagnetic spectrum from high-energy gamma rays and X-rays, through the optical regime of ultraviolet, visible, and infrared light, to long-wavelength microwave and radio waves.

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