Results 231 to 240 of about 21,787 (300)
Time‐Domain Raman Spectroscopy: An Emerging Technique in Space Exploration?
The potential of time‐domain Raman spectroscopy in space exploration is discussed. This work is motivated by the emergence of robust, space‐qualified femtosecond lasers and by the fact that time‐domain detection allows the design of very compact instruments, while avoiding problems such as fluorescence or ambient light backgrounds (inset: ESA/DLR/FU ...
Y. Ha+10 more
wiley +1 more source
Testing CP-violation in a heavy Higgs sector at CLIC. [PDF]
Cheung K, Mao YN, Moretti S, Zhang R.
europepmc +1 more source
Black Plastic Identification for Sorting and Recycling With Deep‐UV Raman Spectroscopy
We present a deep ultraviolet (DUV) Raman spectrometer for sorting black plastics in recycling. The common identification modality of hyperspectral NIR struggles with black plastics due to strong absorption by the black pigment. By using a 248.6‐nm NeCu laser, we enable stand‐off detection over a conveyor belt while avoiding fluorescence interference ...
Liron Zada, Freek Ariese
wiley +1 more source
Publisher Correction: Water and seawater splitting with MgB2 plasmonic metal-based photocatalyst. [PDF]
Kravets VG, Grigorenko AN.
europepmc +1 more source
Human access and time of day affect the behavior (movement rate, selection) of grizzly bears (Ursus arctos) near recreation sites in a protected area. Males used trails to travel during crepuscular and nocturnal hours, especially in restricted areas, whereas females showed more cautious responses, suggesting security trade‐offs.
Elise A. Loggers+4 more
wiley +1 more source
Nonlinear quenching of excitonic emission from nanoplatelet films at high excitation densities. [PDF]
Jessen S+4 more
europepmc +1 more source
Highly efficient cryogenic yellow laser performance of Tb:YLF (Tb3+:LiYF4) is reported. The room temperature slope efficiency of 36% increases to 61% at 100 K, while the wavelength changes from 587 to 581 nm. Moreover, red laser emission at 624 nm with 47% slope efficiency at 78 K is demonstrated.
Moritz Badtke+4 more
wiley +1 more source
Tailored Frequency Conversion in Nonlinear Subwavelength Grating Metaslabs
Subwavelength gratings are introduced as a tool for flexible, accurate control of phase matching (PM) in integrated optical frequency converters. Implemented in partially etched GaAs metaslab waveguides, tuning of the second‐harmonic PM wavelength by up to 100 nm is achieved, with wider ranges predicted by simulations.
Mai Tal+6 more
wiley +1 more source
Long-Range Azimuthal Correlation, Entanglement, and Bell Inequality Violation by Spinning Gluons at the Large Hadron Collider. [PDF]
Guo Y, Liu X, Yuan F, Zhu HX.
europepmc +1 more source