Results 211 to 220 of about 87,331 (315)

High‐Energy Femtosecond All‐Fiber Laser Systems in 1.7–1.8 μm Using a Normal‐Dispersion Tm‐Doped Fiber

open access: yesAdvanced Photonics Research, EarlyView.
High‐energy ultrafast all‐fiber lasers are demonstrated in the 1.7–1.8 μm range using a novel Tm‐doped fiber with depressed cladding for dispersion tailoring and short‐pass filtering. A parabolic core enhances optical gain, overcoming poor gain overlap in conventional depressed cladding fibers.
Shaoxiang Chen   +5 more
wiley   +1 more source

High-Efficiency Multilayer Dielectric Diffraction Gratings

open access: green, 1995
M. D. Perry   +5 more
openalex   +2 more sources

Strain‐Induced Optical and Molecular Transformations in Poly(Ethylene Terephthalate) Films for Organic Electronic Applications

open access: yesAdvanced Photonics Research, EarlyView.
This study explores how mechanical strain affects the optical and molecular properties of poly(ethylene terephthalate) (PET) films, crucial for flexible electronics. Using UV–Vis and Raman spectroscopy, it reveals strain‐induced changes in transparency and vibrational modes. Findings provide insights into optimizing PET‐based devices like organic solar
Mahya Ghorab   +5 more
wiley   +1 more source

MAGNETO-OPTICAL DIFFRACTION BY A RELIEF GRATING

open access: bronze, 1996
Y. Souche   +4 more
openalex   +2 more sources

Numerical and Experimental Methods for Estimating the Propagation Loss in Microphotonic Waveguides

open access: yesAdvanced Photonics Research, EarlyView.
Finite‐element finite‐difference time domain, eigenmode‐expansion, and volume‐current simulations are benchmarked against cut‐back, ring‐resonator, and OFDR measurements to quantify waveguide propagation loss in integrated photonic circuits. Scattering, absorption, leakage, and back‐reflection contributions are dissected; error sources are ranked; and ...
Francesco Dell’Olio   +4 more
wiley   +1 more source

Atom Wave Interferometry with Diffraction Gratings of Light

open access: green, 1995
Ernst M. Rasel   +4 more
openalex   +2 more sources

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