Electromagnetic (EM) waves in the terahertz (THz) regime contribute to important applications in communications, security imaging, and bio- and chemical sensing. Such wide applicability has resulted in significant technological ...
Optics & Photonics
Jul 23, 2021
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Fourier ptychographic microscopy (FPM) is a recently developed computational imaging technique, which has high-resolution and wide field-of-view (FOV). However, due to the lower light efficiency of the off-axis LEDs, the ...
Optics & Photonics
Feb 1, 2021
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8
Wavefront measurement has various applications in high power amplifiers, adaptive optical system, and phase microscopy. Among methods for high-precision wavefront measurement, the coherent diffraction imaging (CDI) is a technique ...
General Physics
Jul 1, 2020
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2
Researchers described a new strategy of designing metamolecules that incorporates two independently controllable subwavelength meta-atoms. This two-parametric control of the metamolecule secures the complete control of both ...
Nanophysics
Feb 20, 2020
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27
To get the extremely high-resolution images vital to study new materials, microbes, and more, scientists often build microscopes based on optical vortices. Forming these tiny tornadoes of light is done using quartz or liquid ...
Plasma Physics
May 7, 2018
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47
Modulating the amplitude and phase of light is a key ingredient for many of applications such as wavefront shaping, transformation optics, phased arrays, modulators and sensors. Performing this task with high efficiency and ...
Optics & Photonics
Jun 27, 2017
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4
A new publication from Opto-Electronic Advances discusses diffraction-limited visible imaging for large aperture telescopes.
Optics & Photonics
Oct 24, 2023
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20
A team of researchers affiliated with UNIST has succeeded in developing a new optical microscope technology, capable of deeper imaging beyond the biological tissues. This breakthrough has been led by Professor Jung-Hoon Park ...
Optics & Photonics
Jul 14, 2021
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