Search results for birefringent

Optics & Photonics Mar 20, 2024

Using polarization to improve quantum imaging

Quantum imaging is a growing field that takes advantage of the counterintuitive and "spooky" ability of light particles, or photons, to become linked, or entangled, under specialized circumstances. If the state of one photon ...

Optics & Photonics Feb 29, 2024

Scientists reveal how light behaves in formless solids

For a long time, it was thought that amorphous solids do not selectively absorb light because of their disordered atomic structure. However, a new uOttawa study disproves this theory and shows that amorphous solids actually ...

Quantum Physics Nov 13, 2023

Tracking down quantum fluctuations of the vacuum to explore the limits of physics

Absolutely empty—that is how most of us envision the vacuum. Yet, in reality, it is filled with an energetic flickering: the quantum fluctuations.

Optics & Photonics Nov 2, 2023

Random wrinkles for opto-physical unclonable functions

The convergence of digital technology and the internet has led to the emergence of complex digital networks utilizing ubiquitous electronic devices such as mobile phones and smart home appliances. As a result, we can access ...

Astronomy Nov 2, 2023

Researchers find gravitational lensing has significant effect on cosmic birefringence

Future missions will be able to find signatures of violating the parity-symmetry in the cosmic microwave background polarization more accurately after a pair of researchers has managed to take into account the gravitational ...

Analytical Chemistry Oct 9, 2023

Researchers develop nonlinear optical crystals by unusual cationic substitution strategy

An ideal infrared (IR) nonlinear optical (NLO) crystal must have the advantages of a wide transmittance range, impressive laser-induced damage threshold (LIDT), sufficient birefringence index, bulk single-crystal form, and ...

Optics & Photonics Sep 27, 2023

Curving light in a record-setting way

A team led by scientists and engineers from the University of Wisconsin-Madison, the University of Southern California and Washington University in St. Louis, has created a unique, record-setting material that can bend one ...

Optics & Photonics Sep 18, 2023

Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor

Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require ...

Astronomy May 4, 2023

Neutron star's X-rays reveal 'photon metamorphosis'

A "beautiful effect" predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar—a neutron star featuring a powerful magnetic field, according to a Cornell ...

Optics & Photonics Apr 28, 2023

Scientists find molecule responsible for the bright white coloring of Pacific cleaner shrimp

An international team of molecular chemists, physicists and nanomolecular scientists has found the molecule responsible for the bright, white-colored stripes sported by the Pacific cleaner shrimp. The study is published in ...

page 5 from 17