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Basic Polarization Techniques and Devices

Waveplate Resources /

Meadowlark Optics Basic Polarization Techniques and Devices © 2005 Meadowlark Optics, Inc. This application note briefly describes polarized light, retardation and a few of the tools used to manipulate the polarization state of light. Also included are descriptions of basic component combinations that provide common light manipulation tools such as optical isolators, light attenuators, polarization […]

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Versalight Wire Grid Polarizer construction

Compact Optical Beam Scanner

Polarization Resources /

Geometric-phase microscopy (GPM) uses changes in the phase of light passing through biological specimens to yield high-resolution and high-contrast images, instead of relying on the attenuation of light used conventionally. Polarization optics and a spatial light modulator generate spatially variant polarization states of light that interact with the sample, creating a relative phase shift between transmitted and reflected light waves. By analyzing the phase information, GPM can reveal details not visible with other microscopy techniques. GPM is an effective non-invasive tool for live cell and tissue studies, with potential to enhance biological systems knowledge.

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Solar flares are violent storms on the Sun's surface which can eject particles and emit radiation toward Earth, affecting radio communication. Flares are generally correlated with the solar activity cycle and will become more common as the Sun approaches solar maximum in 2000.

Inouye Solar Telescope

Polarization Resources /

Meadowlark Optics The National Science Foundation’s Daniel K. Inouye Solar Telescope (DKIST), located on the island of Maui, Hawaii, stands as the largest solar telescope globally. It’s dedicated to unraveling the mysteries of the Sun’s explosive phenomena, with a primary focus on observing magnetic fields. Recently Meadowlark built an optic called Andre as well as

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Geometric-Phase Microscopy for Quantitative Phase Imaging of Isotropic, Birefringent and Space-Variant Polarization Samples

Liquid Crystal Polarization Grating Resources /

Geometric-phase microscopy (GPM) uses changes in the phase of light passing through biological specimens to yield high-resolution and high-contrast images, instead of relying on the attenuation of light used conventionally. Polarization optics and a spatial light modulator generate spatially variant polarization states of light that interact with the sample, creating a relative phase shift between transmitted and reflected light waves. By analyzing the phase information, GPM can reveal details not visible with other microscopy techniques. GPM is an effective non-invasive tool for live cell and tissue studies, with potential to enhance biological systems knowledge.

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Waveplate Retardance Metrology: The Basics and Beyond

Additional Resources /

Waveplate Retardance Metrology: The Basics and Beyond INTRODUCTIONWaveplates are important for the control of the state of polarization and for the measurement of polarization of light. They are modifiers of polarization state but not of the degree of polarization. They do this in a manner described by a parameter called retardance. Most commonly the needed

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A Programmable Beam Shaping System for Tailoring the Profile of High Fluence Laser Beams

Spatial Light Modulator Resources /

A Programmable Beam Shaping System for Tailoring the Profile of High Fluence Laser Beams ABSTRACT: Customized spatial light modulators have been designed and fabricated for use as precision beam shaping devices in fusion class laser systems. By inserting this device in a low-fluence relay plane upstream of the amplifier chain, “blocker” obscurations can be programmed

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Sensorless Adaptive Optics for Multimode Optical Fibre Endo-Microscopy

Spatial Light Modulator Resources /

Sensorless Adaptive Optics for Multimode Optical Fibre Endo-Microscopy Abstract: We demonstrate focus optimisation through multimode optical fibre usingsensorless adaptive optics. The optimisation can correct for the three-dimensional shift occurring when re-positioning the fibre into the system for chronic brain imaging. [dflip id=”7033″][/dflip] Use the three dots (…) below the page flip to download this resource.

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Revealing architectural order with quantitative label-free imaging and deep learning

Spatial Light Modulator Resources /

Revealing architectural order with quantitative label-free imaging and deep learning Abstract: We report quantitative label-free imaging with phase and polarization (QLIPP) for simultaneous measurement of density, anisotropy, and orientation of structures in unlabeled live cells and tissue slices. We combine QLIPP with deep neural networks to predict fluorescence images of diverse cell and tissue structures.

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