Beam steering angle expander with two liquid crystal polymeric diffractive optical elements
Credit: by Ziqian He, Kun Yin, and Shin-Tson Wu Flat optics based on patterned liquid crystals (LCs) has recently received ...
Tag: Optics
Decoding electron dynamics
A new method for identifying quantum orbits enables photoelectron spectroscopy via tunneling ionization to provide attosecond temporal and subangstrom spatial ...
NIST laser ‘comb’ systems now measure all primary greenhouse gases in the air
Credit: N. Hanacek/NIST Researchers at the National Institute of Standards and Technology (NIST) have upgraded their laser frequency-comb instrument to ...
A new piece of the quantum computing puzzle
An efficient two-bit quantum logic gate has been out of reach, until now Research from the McKelvey School of Engineering ...
Squeeze the shock out: What different phases of piezoelectric materials tell us
Scientists have observed a correlation between the presence of intermediate S-polymorph phases in lanthanum-doped bismuth ferrite thin films and their ...
Nanoscale thermoplasmonic heating shows promise for studies of nanomaterials
A research of glassy polymers was recently published in ACS Photonics Atomic nuclei contain enormous energy that can be extracted ...
New type of metasurface allows unprecedented laser control
The ability to precisely control the various properties of laser light is critical to much of the technology that we ...
Honey, we shrunk the intense XUV laser
The invention of the laser has opened the era of nonlinear optics, which today plays an important role in many ...
USTC realizes the first on-chip valley-dependent quantum interference
Research team, led by academician GUO Guangcan from University of Science and Technology of China (USTC) of the Chinese Academy ...
A novel method for controlling the microstructure and performance of 3D printed human implants
As the average life expectancy of residents increases, there are more and more cases of human bone tissue disease. With ...
Attomolar sensing: Fabrication of surface-enhanced raman scattering substrate
In the 1970s, Fleischmann, the scientist in British, discovered that on noble metallic nanostructure, the Raman scattering of pyridine was ...
Multi-material multi-photon 3D laser micro- and nanoprinting
Multi-photon approaches provide printing rates of up to about ten million voxels per second. And, multi-photon-based 3D approaches structure matter ...
A way to surmount supercooling
Researchers study the conditions under which aqueous solutions in a supercooled state rapidly freeze, and find certain nanoparticles stimulate crystallization ...
Optical tweezer technology tweaked to overcome dangers of heat
Three years ago, Arthur Ashkin won the Nobel Prize for inventing optical tweezers, which use light in the form of ...
A direct look at OLED films leads to some pretty exciton findings
Researchers from the University of Tsukuba use time-resolved photoemission electron microscopy to probe the electron dynamics of solid-state film OLEDs ...
Optical superoscillation without side waves
A sharp-edged aperture is a promising solution for eliminating side lobes from superoscillatory waves Optical superoscillation refers to a wave ...
High-resolution microscope built from LEGO and bits of phone
Research led by Göttingen University shows constructing microscope improves children's understanding Microscopy is an essential tool in many fields of ...
SUTD researchers use nanoscale 3D printing to create high-resolution light field prints
Wouldn't it be amazing if printed images can look three-dimensional (3D)? Unfortunately, conventional prints like photographs display two-dimensional (2D) images ...
New cold atom source lays groundwork for portable quantum devices
Technology advance could enable space-based atomic clocks, improving communications and GPS navigation WASHINGTON -- Although quantum technology has proven valuable ...
Solar energy collectors grown from seeds
Engineers create seeds for growing near-perfect 2D perovskite crystals HOUSTON - (June 21, 2021) - Rice University engineers have created ...
