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In this work, we have developed and characterized a position-sensitive CLYC detector that acts as the neutron imaging layer and $\gamma$-ray Compton scatterer of the novel dual \g-ray and neutron imaging system GN-Vision, which aims at…

Exceptional pulse contrast can be critical for ultraintense laser experiments, particularly when using solid density targets, and their use is becoming widespread. However, current plasma mirror technology is becoming inadequate for the new…

We present a description of a new 1--5 $\mu$m filter set similar to the long-used JHKLM filter set derived from that of Johnson. The new Mauna Kea Observatories Near-Infrared (MKO-NIR) filter set is designed to reduce background noise,…

Astrophysics · Physics 2009-11-07 A. T. Tokunaga , D. A. Simons , W. D. Vacca

A technique for establishing the total neutron rate of a highly-collimated monochromatic cold neutron beam was demonstrated using a method of an alpha-gamma counter. The method involves only the counting of measured rates and is independent…

Instrumentation and Detectors · Physics 2018-07-04 A. T. Yue , E. S. Anderson , M. S. Dewey , D. M. Gilliam , G. L. Greene , A. B. Laptev , J. S. Nico , W. M. Snow

Label-Free Multiphoton Microscopy is a very powerful optical microscopy that can be applied to study samples with no need for exogenous fluorescent probes, keeping the main benefits of a Multiphoton approach, like longer penetration depths…

We investigate the indirect detection search of the two-body decay of dark matter particles into final states containing a photon, a process predicted in various promising dark matter models such as axion-like particles and sterile…

High Energy Physics - Phenomenology · Physics 2025-03-10 Wen Yin , Yutaka Fujita , Yuichiro Ezoe , Yoshitaka Ishisaki

In this chapter, we review recent advances in generating narrowband biphotons with long coherence time using spontaneous parametric interaction in monolithic cavity with cluster effect as well as in cold atoms with electromagnetically…

Quantum Physics · Physics 2015-03-17 Chih-Sung Chuu , Shengwang Du

For white LEDs used for lighting museums, it is possible to reduce their effects on the discoloration of exhibits to a great extent by regulating their spectral distribution so that less lights with 420~470 nm of wavelength which acts on…

Popular Physics · Physics 2016-09-28 Chang Ho Kim , Hong Wei Liang , Sung Hyok Han , Ju Yong Kim , Ki Won Ryang , Chol Kim

Optically active defects in hexagonal boron nitride (hBN) have become amongst the most attractive single-photon emitters in the solid state, owing to their high-quality photophysical properties, combined with the unlimited possibilities of…

The inclusion of right-chiral sneutrino superfields is a rather straightforward addition to a supersymmetric scenario. A neutral scalar with a substantial right sneutrino component is often a favoured dark matter candidate in such cases. In…

High Energy Physics - Phenomenology · Physics 2015-06-18 Arindam Chatterjee , Debottam Das , Biswarup Mukhopadhyaya , Santosh Kumar Rai

Nonlinear metasurface holography shows the great potential of metasurfaces to control the phase, amplitude, and polarization of light while simultaneously converting the frequency of the light. The possibility of tailoring the scattering…

The large next generation liquid-scintillator detector LENA (Low Energy Neutrino Astronomy) offers an excellent opportunity for neutrino oscillometry. The characteristic spatial pattern of very low monoenergetic neutrino disappearance from…

We present Monte-Carlo simulations for the focusing design of a novel cold-neutron triple-axis spectrometer to be installed at the end position of the cold guide NL-1 of the research reactor FRM-II in Munich, Germany. Our simulations are of…

Instrumentation and Detectors · Physics 2011-06-16 A. C. Komarek , P. Böni , M. Braden

Detector nonlinearity is an important factor limiting the maximal power and hence the signal-to-noise ratio (SNR) in dual-comb interferometry. To increase the SNR without overwhelming averaging time, specific experimental conditions must be…

While advancing a physics-based comprehensive photodetector-simulation model, we propose a novel device design of the mid-wavelength infrared nBn photodetectors by exploiting the inherit flexibility of the $InAs_{1-x}Sb_{x}$ ternary alloy…

Mesoscale and Nanoscale Physics · Physics 2023-10-03 Rohit Kumar , Bhaskaran Muralidharan

With the renewal of many neutron science instruments and the commissioning of new neutron facilities, there is a rising demand for improved neutron beam monitoring systems with reduced beam perturbations and higher counting rate capability.…

Instrumentation and Detectors · Physics 2022-06-15 F. Lafont , D. Barkats , J-C. Buffet , S. Cuccaro , B. Guerard , C-C Lai , J. Marchal , J. Pentenero , N. Sartor , R. Hall-Wilton , K. Kanaki , L. Robinson , P O. Svensson

We present the model of an ultrasensitive mid-infrared (mid-IR) photodetector operating in the mid-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) domains consisting of a hybrid heterostructure made of nanopatterned graphene…

Mesoscale and Nanoscale Physics · Physics 2021-03-19 Muhammad Waqas Shabbir , Sayan Chandra , Michael N. Leuenberger

We introduce a novel type of neutron interference mirrors based on a chemically homogeneous BxC (x>4) matrix with internal high precision 10B/11B isotope modulation. Simulations predict that these mirrors exhibit very high neutron…

Materials Science · Physics 2024-04-09 J. Birch , S. Stendah , S. Dorri , A. Zubayer , N. Ghafoor , F. Eriksson

We introduce our new program to develop two-dimensional MEMS arrays of individually addressable micro-mirrors (''Micro-Mirror Devices'', MMDs) specifically optimized for astronomy, multi-slit spectroscopy in particular. After reviewing the…

Instrumentation and Methods for Astrophysics · Physics 2025-08-27 Massimo Robberto , Cuiling Gong , Jim Huffman , Zoran Ninkov , Ivan Puchades , Mario Gennaro , Susan A. Kassin , Steven A. Smee

Spectral imaging and detection of mid-infrared (mid-IR) wavelengths are emerging as an enabling technology of great technical and scientific interest; primarily because important chemical compounds display unique and strong mid-IR spectral…