Results 31 to 40 of about 9,062,309 (315)

Invited Article: Mode-locked waveguide lasers modulated by rhenium diselenide as a new saturable absorber

open access: yesAPL Photonics, 2018
The layered two-dimensional (2D) materials with extraordinary optical properties play important roles in the development of ultrafast photonics, in which mode-locking lasers with a high fundamental repetition rate (>1 GHz) are of particular interest. The
Ziqi Li   +5 more
doaj   +2 more sources

Invited Article: CARS molecular fingerprinting using sub-100-ps microchip laser source with fiber amplifier

open access: yesAPL Photonics, 2018
We have developed an ultrabroadband multiplex coherent anti-Stokes Raman scattering (CARS) microspectroscopic system using a supercontinuum (SC) seeded by sub-100-ps (85 ps) laser pulses with a sub-MHz (0.82 MHz) repetition rate. Because of the high peak
Hiroaki Yoneyama   +5 more
doaj   +2 more sources

Invited Article: Filamentary deposition of laser energy in glasses with Bessel beams

open access: yesAPL Photonics, 2018
We investigate the nonlinear absorption of laser energy in the bulk of transparent dielectrics for femtosecond and picosecond laser pulses focused by a conical lens.
M. Lamperti   +8 more
doaj   +2 more sources

Invited Article: Comparison of hyperspectral coherent Raman scattering microscopies for biomedical applications

open access: yesAPL Photonics, 2018
Raman scattering based imaging represents a very powerful optical tool for biomedical diagnostics. Different Raman signatures obtained by distinct tissue structures and disease induced changes provoke sophisticated analysis of the hyperspectral Raman ...
T. Bocklitz   +8 more
doaj   +2 more sources

Invited Article: Plasmonic growth of patterned metamaterials with fractal geometry

open access: yesAPL Photonics, 2016
Large-scale metallic three-dimensional (3D) structures composed of sub-wavelength fine details, called metamaterials, have attracted optical scientists and materials scientists because of their unconventional and extraordinary optical properties that are
Nobuyuki Takeyasu   +4 more
doaj   +2 more sources

Invited Article: Tuning and stabilization of optomechanical crystal cavities through NEMS integration

open access: yesAPL Photonics, 2018
Nanobeam optomechanical crystals, in which localized GHz frequency mechanical modes are coupled to wavelength-scale optical modes, are being employed in a variety of experiments across different material platforms.
Karen E. Grutter   +3 more
doaj   +2 more sources

Invited Article: Experimental evaluation of gold nanoparticles as infrared scatterers for advanced cardiovascular optical imaging [PDF]

open access: goldAPL Photonics, 2018
The tremendous impact that cardiovascular diseases have in modern society is motivating the research of novel imaging techniques that would make possible early diagnosis and, therefore, efficient treatments.
Jie Hu   +14 more
doaj   +2 more sources

Invited Article: Multiple-octave spanning high-energy mid-IR supercontinuum generation in bulk quadratic nonlinear crystals

open access: yesAPL Photonics, 2016
Bright and broadband coherent mid-IR radiation is important for exciting and probing molecular vibrations. Using cascaded nonlinearities in conventional quadratic nonlinear crystals like lithium niobate, self-defocusing near-IR solitons have been ...
Binbin Zhou, Morten Bache
doaj   +2 more sources

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