Results 41 to 50 of about 22,569 (248)

Mode spectrum of multi-longitudinal mode pumped near-degenerate OPOs with volume Bragg grating output couplers.

open access: yesOptics Express, 2009
Spectral requirements for the first stage OPO used to pump a tandem ZGP mid-infrared OPO are theoretically investigated. Based on these requirements we demonstrate a singly-resonant type-I OPO including periodically poled KTiOPO(4) and volume-Bragg ...
M. Henriksson   +3 more
semanticscholar   +1 more source

Facility location of organ procurement organisations in Indian health care supply chain management

open access: yesSouth African Journal of Industrial Engineering, 2017
In health care supply chain management, particularly in the area of organ transplantation, organ procurement and the transplantation network play an important role.
Rajmohan, M.   +3 more
doaj   +1 more source

Historicidades em conflito: uma hipótese para o Século XX

open access: yesGriot: Revista de Filosofia, 2021
Levanto a hipótese de que duas historicidades predominaram na relação estabelecida entre os discursos filosófico e histórico no século XX: a historicidade dos historiadores, suscitada pelo nascimento das ciências humanas, e uma historicidade filosófica ...
Carlos Eduardo Ribeiro
doaj   +1 more source

From Static Prediction to Mindful Machines: A Paradigm Shift in Distributed AI Systems

open access: yesComputers
A special class of complex adaptive systems—biological and social—thrive not by passively accumulating patterns, but by engineering coherence, i.e., the deliberate alignment of prior knowledge, real-time updates, and teleonomic purposes.
Rao Mikkilineni, W. Patrick Kelly
doaj   +1 more source

Current landscape of kidney allocation: Organ procurement organization perspectives

open access: yesClinical Transplantation, 2023
Organ procurement organizations (OPOs) play a central role in the recovery, preservation, and distribution of deceased donor kidneys for transplantation in the United States.
B. Concepcion   +7 more
semanticscholar   +1 more source

Femtosecond deep-infrared optical parametric oscillator pumped directly by a Ti:sapphire laser [PDF]

open access: yes, 2018
We report a high-repetition-rate femtosecond optical parametric oscillator (OPO) for the deep-infrared (deep-IR) based on the nonlinear optical crystal, CdSiP2 (CSP), pumped directly by a Ti:sapphire laser, for the first time. By pumping CSP at
Chaitanya Kumar, S.   +4 more
core   +1 more source

Nondissipative non-Hermitian dynamics and exceptional points in coupled optical parametric oscillators [PDF]

open access: yesOptica, 2020
Engineered non-Hermitian systems featuring exceptional points can lead to a host of extraordinary phenomena in diverse fields ranging from photonics, acoustics, opto-mechanics, electronics, to atomic physics.
Arkadev Roy   +6 more
semanticscholar   +1 more source

Continuous-wave, multimilliwatt, mid-infrared source tunable across 6.4–7.5  μm based on orientation-patterned GaAs [PDF]

open access: yes, 2014
We report a continuous-wave (cw) source of tunable mid-infrared radiation providing tens of milliwatt of output power in the 6460–7517 nm spectral range.
Devi, Kavita   +2 more
core   +2 more sources

Generation of squeezed light with monolithic optical parametric oscillator: Simultaneous achievement of phase matching and cavity resonance by temperature control

open access: yes, 2010
We generate squeezed state of light at 860 nm with a monolithic optical parametric oscillator. The optical parametric oscillator consists of a periodically poled KTiOPO_4 crystal, both ends of which are spherically polished and mirror-coated.
Akira Furusawa   +16 more
core   +1 more source

Simultaneous Generation of Two Pairs of Stokes and Terahertz Waves from Coupled Optical Parametric Oscillations with Quasi-Phase-Matching

open access: yesCrystals, 2018
We present a theoretical investigation on simultaneous generation of two pairs of Stokes and terahertz (THz) waves from coupled optical parametric oscillations (OPOs) with a quasi-phase-matching (QPM) scheme.
Zhongyang Li   +7 more
doaj   +1 more source

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