Zobrazeno 1 - 10
of 4 036
pro vyhledávání: '"Acousto-optics"'
Publikováno v:
Nanophotonics, Vol 13, Iss 2, Pp 173-181 (2024)
Undesirable light scattering is a fundamental cause for photon loss in nanophotonics. Rayleigh backscattering can be particularly difficult to avoid in wave-guiding systems and arises from both material defects and geometric defects at the subwavelen
Externí odkaz:
https://doaj.org/article/5e3daafc52c04b48b42018e380d3d99c
Publikováno v:
Nanophotonics, Vol 13, Iss 1, Pp 63-73 (2024)
Several optical microscopy methods are now available for characterizing scientific and industrial processes at sub-micron resolution. However, they are often ill-suited for imaging rapid events. Limited by the trade-off between camera frame-rate and
Externí odkaz:
https://doaj.org/article/4e52a02a1a5f437d904e5127ce631425
Publikováno v:
Crystals, Vol 14, Iss 9, p 796 (2024)
Germanium (Ge) is a system-forming material of IR photonics for the atmospheric transparency window of 8–14 µm. For optics of the 3–5 µm range, more widespread silicon (Si), which has phonon absorption bands in the long-wave region, is predomin
Externí odkaz:
https://doaj.org/article/10a738bffcc44ecab0f41fd4d10b7fe7
Publikováno v:
Results in Physics, Vol 59, Iss , Pp 107575- (2024)
Acousto-optic tunable filters are photonics devices whose operation is fundamentally based on crystal acoustics. One of the phenomena used to improve performances of bulk acousto-optic devices is acoustic beam steering. Here we present a complete ana
Externí odkaz:
https://doaj.org/article/943189335f9c4f5bb663da350eeb08ec
Publikováno v:
Frontiers of Optoelectronics, Vol 16, Iss 1, Pp 1-14 (2023)
Abstract The results of an optoelectronic system—frequency-shifted feedback (FSF) laser experimental examination are presented. The considered FSF laser is seeded only with optical amplifier spontaneous emission (ASE) and operates in the mode-locke
Externí odkaz:
https://doaj.org/article/8a750832355a43cc89c52af2c872c078
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
A new type of lithium niobate (LiNbO3) acousto-optic Q-switched Er,Cr:YSGG laser with high peak power was designed and the thermal lensing effect compensation was studied. The values of thermal focal length in the gain medium were calculated theoreti
Externí odkaz:
https://doaj.org/article/2b7075bd609d47adb44f4292f6e4727a
Publikováno v:
JPhys Photonics, Vol 6, Iss 4, p 045007 (2024)
We developed a 2D Finite-difference time-domain (FDTD) method for modeling a space-time modulated guidestar targeting wavefront shaping applications in disordered media. Space-time modulation in general (a particular example being the acousto-optic e
Externí odkaz:
https://doaj.org/article/85647101af5e43e8be44ec41d32a066e
Autor:
Pietro Ricci, Giuseppe Sancataldo, Vladislav Gavryusev, Francesco Saverio Pavone, Peter Saggau, Martí Duocastella
Publikováno v:
JPhys Photonics, Vol 6, Iss 2, p 022001 (2024)
Cutting-edge methodologies and techniques are required to understand complex neuronal dynamics and pathological mechanisms. Among them, optical tools stand out due to their combination of non-invasiveness, speed, and precision. Examples include optic
Externí odkaz:
https://doaj.org/article/97e48137ade749a1b619f32f8592357e
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