Results 241 to 250 of about 88,049 (304)

Changes in Water Dynamics by Osmolytes Regulate Enzyme Activity. [PDF]

J Phys Chem B
Furukawa S, Hishida M.
europepmc   +1 more source

Study on the Effect of the Envelope of Terahertz Unipolar Stimulation on Cell Membrane Communication-Related Variables. [PDF]

Research (Wash D C)
Bo W, Che R, Jia F, Sun K, Liu Q, Guo L, Zhang X, Gong Y.   +7 more
europepmc   +1 more source

The Efficacy and Safety of 785-nm Picosecond Titanium:Sapphire Laser on Melasma in Asians. [PDF]

Ann Dermatol
Choi MS, Kim D, Yeom K, Kim MH, Park B.
europepmc   +1 more source

Ultrafast Spin Dynamics of Pt/Gd₁₉(Co_0.8Fe_0.2)₈₁/Ta Heterostructure Investigated by Double-Pump Terahertz Emission Spectroscopy. [PDF]

Nanomaterials (Basel)
Li C, Lu B, Yu N, Li Z, Xu H, Zhang H, Jin Z.   +6 more
europepmc   +1 more source

Molecular insights into the effects of laser-induced optical breakdown (LIOB) after 1064 nm picosecond laser irradiation using a novel melanocyte-containing 3D skin model. [PDF]

Lasers Med Sci
Huth S, Marquardt Y, Huth L, Gerber PA, Baron JM.   +4 more
europepmc   +1 more source

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Picosecond photonics

Annales Des Télécommunications, 1997
The basic principles of new ultrafast all-optical processing devices are experimentally demonstrated. One type of device relies on the interaction between an input signal and two colliding spatial solitons of a different wavelength in a planar waveguide with third order nonlinearity. The devices which belong to the second type are based on second order
Barthélémy, Alain, Colombeau, Bernard, Froehly, Claude, Lefort, Laurent, Ménard, Stéphane, Vampouille, Michel   +5 more
openaire   +1 more source

Picosecond spectroscopy using a picosecond continuum

Chemical Physics Letters, 1973
Abstract This paper describes the generation of a continuum which has a time duration equal to or less than the picosecond pulse which generates it. The spectrum of the continuum is several thousand wavenumbers in width. Experimental methods are presented which enable one for the first time to conduct absorption spectroscopy measurements in the ...
G.E. Busch, R.P. Jones, P.M. Rentzepis
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Picosecond gyrolaser

Optics Letters, 1989
The reduction of the frequency-locking problem is evaluated analytically for an active laser gyroscope in which active coupling of the longitudinal modes in each direction leads to the formation of counterpropagating short pulses. With proper precautions, an important reduction of the lock-in frequency is expected.
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Picosecond laser pulses

Proceedings of the IEEE, 1969
The broad bandwidth and long storage lifetimes of Nd3+: glass and ruby lasers have made possible the generation of picosecond laser pulses having peak powers it excess of one gigawatt and repetition rates in the microwave range. The numerous application areas of these pulses include research in nonlinear optics, transient response of atomic and ...
A. J. DeMaria, William H. Glenn, Michael J. Brienza, Michael E. Mack   +3 more
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Laser processing of sapphire with picosecond and sub-picosecond pulses

Applied Surface Science, 1997
Abstract Laser processing of sapphire using a Ti:sapphire laser at 790 and 395 nm and pulse widths varying between 0.2 and 5 ps is reported. A clear improvement in quality is demonstrated for multi-shot processing with sub-ps laser pulses. For fluences between 3 and 12 J/cm 2 two ablation phases were observed, in agreement with previous work from ...
D Ashkenasi, A Rosenfeld, H Varel, M Wähmer, E.E.B Campbell   +4 more
openaire   +1 more source