Customized fiber generates Bessel beams
An all fiber-based approach to generating special optical beams, called Bessel beams, could open up new applications in imaging, optical trapping and communications.
An all fiber-based approach to generating special optical beams, called Bessel beams, could open up new applications in imaging, optical trapping and communications.
Optics & Photonics
Aug 9, 2022
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22
Microplastic pollution is known to negatively impact seed germination and seedling growth. Although some studies have demonstrated the effects of microplastics on seed germination, the impact of microplastics on the internal ...
Biochemistry
Jun 23, 2022
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20
Understanding the effects of microgravity on the human body is essential in enabling astronauts to travel through the harsh environment of space for months, or even years. Significant changes to the body's skeletal and muscle ...
Space Exploration
May 27, 2022
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86
Worldwide, as many as 285 million people suffer from serious eye diseases or blindness. Unfortunately, most of them do not have access to modern methods of treatment, so help often comes too late. This situation could change ...
Optics & Photonics
Mar 22, 2022
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38
Providing light with tailored properties through ultrafast supercontinuum generation represents an active field of nonlinear science research. A German-Australian research collaboration has presented a new concept that includes ...
Optics & Photonics
Nov 12, 2021
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9
Around the world, every second, someone gets a retinal OCT scan, typically as a routine portion of an eye exam. The high-resolution images obtained by OCT allow ophthalmologists to diagnose and monitor treatment for many ...
Optics & Photonics
Oct 21, 2021
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10
One of the challenges in optical imaging is to visualize the inside of tissue in high resolution. Traditional methods allow researchers to look to a depth of approximately 1 millimeter. Researchers at Delft University of ...
Optics & Photonics
Dec 1, 2020
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3
Optical spectrometers are instruments with a wide variety of uses. By measuring the intensity of light across different wavelengths, they can be used to image tissues or measure the chemical composition of everything from ...
Optics & Photonics
Oct 13, 2020
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12
If the eyes are the mirror of the soul, then thanks to the translucent corneas, we can look deep into that soul. And thanks to the work of scientists from the Institute of Physical Chemistry of the Polish Academy of Sciences, ...
Optics & Photonics
Jul 27, 2020
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14
A diagnostic workhorse, optical coherence tomography (OCT), provides high-resolution 3-D imaging of subsurface tissue structures. Most likely, for your last eye exam, the ophthalmologist took cross-sectional pictures of your ...
Optics & Photonics
Apr 20, 2020
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