Results 101 to 110 of about 30,384 (234)

Resonantly Enhanced Axion-Photon Regeneration [PDF]

, 2007
We point out that photon regeneration-experiments that search for the axion, or axion-like particles, may be resonantly enhanced by employing matched Fabry-Perot optical cavities encompassing both the axion production and conversion magnetic field ...
A. A. Ansel’m, A. A. Ansel’m, D. B. Tanner, G. G. Raffelt, Karl van Bibber, P. Sikivie   +5 more
core   +2 more sources

Recent advances in organic broad‐spectrum photodetection materials and devices

InfoMat, EarlyView.
Graphical Abstract This review systematically outlines the evolution of organic photodetectors from fullerene‐based to advanced non‐fullerene acceptors, highlighting how molecular engineering (e.g., D–A, quinoidal, and A‐D‐A′‐D‐A architectures) extends spectral response into the short‐wave infrared region.
Yilin Zhao, Shijia Tan, Deyang Ji, Wenping Hu   +3 more
wiley   +1 more source

Inter‐Theta‐Gram Spectroscopy: A General Super‐Spectral‐Resolution Scattering Method Demonstrated on Diamond

Journal of Raman Spectroscopy, EarlyView.
Inter‐Theta‐Gram spectroscopy enables super‐spectral‐resolution Raman analysis by jointly reconstructing the excitation laser line and Raman peak during an etalon angle scan, yielding internally referenced Raman shifts. Demonstrated on lab‐grown versus natural diamond, it resolves 0.1–0.2 cm−1 Raman‐shift offsets that are invisible in conventional ...
Yishai Amiel, Romi Nedvedski, Yaakov R. Tischler, Hadass Tischler   +3 more
wiley   +1 more source

Diffractively coupled Fabry-Perot resonator with power-recycling

, 2011
We demonstrate the optical coupling of two cavities without light transmission through a substrate. Compared to a conventional coupling component, that is a partially transmissive mirror, an all-reflective coupler avoids light absorption in the substrate
Abbott, Acernese, Andreas Tünnermann, Barriga, Braginsky, Bunkowski, Bunkowski, Bunkowski, Burmeister, Clausnitzer, Daniel Friedrich, Drever, Edgar, Ernst-Bernhard Kley, Fahr, Frank Brückner, Friedrich, Fritschel, Grote, Harry, Heinzel, Karsten Danzmann, Kuroda, Levin, Meers, Michael Britzger, Mizuno, Nawrodt, Oliver Burmeister, Punturo, Roman Schnabel, Stefanie Kroker, Strain, Sun, Willke, Willke   +35 more
core   +1 more source

Spatial and temporal filtering of a 10-W Nd:YAG laser with a Fabry-Perot ring-cavity premode cleaner [PDF]

, 1998
We report on the use of a fixed-spacer Fabry–Perot ring cavity to filter spatially and temporally a 10-W laser-diode-pumped Nd:YAG master-oscillator power amplifier.
Byer, R. L., Gustafson, E. K., King, P. J., Savage, R. L., Jr., Seel, S. U., Uehara, N., Willke, B.   +6 more
core   +1 more source

Transparent White OLED‐Based Brain Stimulation With Invisible Flicker and Photobiological Safety Evaluation

Journal of the Society for Information Display, EarlyView.
A safe, transparent, invisible flickering transparent white OLED (TrWOLED) platform is developed for therapeutic 40 Hz brain stimulation. By utilizing chromatic modulation, this device delivers effective gamma frequency brain entrainment while eliminating visual fatigue.
Younghun Jung, Minwoo Park, Kyung Cheol Choi   +2 more
wiley   +1 more source

Symmetry broken vectorial Kerr frequency combs from Fabry-Pérot resonators

Communications Physics
Spontaneous symmetry breaking of a pair of vector temporal cavity solitons has been established as a paradigm to modulate optical frequency combs, and finds many applications in metrology, frequency standards, communications, and photonic devices.
Lewis Hill, Eva-Maria Hirmer, Graeme Campbell, Toby Bi, Alekhya Ghosh, Pascal Del’Haye, Gian-Luca Oppo   +6 more
doaj   +1 more source

Recent Advances in Photonic Bound States in the Continuum: From Fundamentals to Engineering and Implementation

Laser &Photonics Reviews, EarlyView.
This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley   +1 more source

Germanium‐Based Mid‐Infrared Integrated Photonics

Laser &Photonics Reviews, EarlyView.
The mid‐infrared (mid‐IR) spectral range is a part of the electromagnetic spectrum in which most of the molecules have vibrational and rotational resonances. Photonics integration in this wavelength range have thus seen a burst of interest in the recent years, mainly driven by applications related with the detection of chemical and biological ...
Delphine Marris‐Morini, Goran Z. Mashanovich, Milos Nedeljkovic, Carlos Alonso‐Ramos, Laurent Vivien, Jacopo Frigerio, Giovanni Isella   +6 more
wiley   +1 more source

Birefringence of interferential mirrors at normal incidence Experimental and computational study

, 2009
In this paper we present a review of the existing data on interferential mirror birefringence. We also report new measurements of two sets of mirrors that confirm that mirror phase retardation per reflection decreases when mirror reflectivity increases ...
A. Dupays, C. Rizzo, C. Robilliard, C. Wood, D. Jacob, E. Zavattini, F. Bielsa, F. Brandi, G.E. Stedman, G.J. Sprokel, J.L. Hall, M. Born, M. Fouché, M. Mansuripur, M.A. Bouchiat, M.A. Bouchiat, M.A. Bouchiat, P. Micossi, R. Battesti, R. Battesti, R. Cameron, R.W.P. Drever, S. Carusotto, S. Moriwaki, S.-J. Chen, S.C. Bennett, W.-T. Ni   +26 more
core   +1 more source