Italian Programs for Laser Sources Development and Applications

1988 ◽  
pp. 129-141
Author(s):  
A. Gilardini
Keyword(s):  
Laser Sources

Prospects of development of the reference base of the Russian Federation in the field of length measurements

2020 ◽  
pp. 3-5
Author(s):  
Y. G. Zakharenko ◽  
N. A. Kononova ◽  
V. L. Fedorin ◽  
Z. V. Fomkina ◽  
K. V. Chekirda
Keyword(s):  
High Precision ◽  
Russian Federation ◽  
Reference Base ◽  
Length Measurements ◽  
Laser Sources ◽  
The Russian Federation ◽  
Unit Of Length ◽  
Further Development ◽  
532 Nm

The results of the work to create a complex of high-precision hardware for the unit of length reproduction and transferring carried out at “D. I. Mendeleyev Institute for Metrology (VNIIM)” are represented. This complex will serve as the basis for the further development of the reference base of the Russian Federation in the field of length measurements and will allow reproduction of the unit of length at two wavelengths of 633 nm and 532 nm, as well as measurements of the wavelength of laser sources in vacuum in the range from 500 to 1050 nm.

Non-Plasmonic SERS with Silicon: Is It Really Safe? New Insights into Opto-Thermics of Core/Shell Microbeads

2018 ◽  
Author(s):  
Nicolò Bontempi ◽  
Irene Vassalini ◽  
Stefano Danesi ◽  
Matteo Ferroni ◽  
Paolo Colombi ◽  
...  
Keyword(s):  
Critical Role ◽  
Raman Laser ◽  
Core Shell ◽  
Thermal Coupling ◽  
Melting Points ◽  
Experimental Proof ◽  
Weakly Coupled ◽  
Light Management ◽  
Laser Sources ◽  
First Time

<p>Here we investigate for the first time the opto-thermal behavior of SiO<sub>2</sub>/Si core/shell microbeads (Si-rex) irradiated with three common Raman laser sources (lambda=532, 633, 785 nm) under real working conditions. We obtained an experimental proof of the critical role played by bead size and aggregation in heat and light management, demonstrating that in the case of strong opto-thermal coupling the temperature can exceed that of the melting points of both core and shell components. In addition, we also show that weakly coupled beads can be utilized as stable substrates for plasmon-free SERS experiments.</p>

Laser sources in medicine

1967 ◽  
Vol 13 (12) ◽  
pp. 458
Author(s):  
T. Powell
Keyword(s):  
Laser Sources

Superfluorescent laser sources based on single-wall carbon nanotube films (Conference Presentation)

2017 ◽  
Author(s):  
Zhongqu Long ◽  
Yongrui Wang ◽  
Kankan Cong ◽  
G. Timothy Noe II ◽  
Junichiro Kono ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Single Wall Carbon Nanotube ◽  
Single Wall Carbon ◽  
Laser Sources ◽  
Nanotube Films

Different modulation schemes for direct and external modulators based on various laser sources

2020 ◽  
Vol 0 (0) ◽  
Author(s):  
Hazem M. El-Hageen ◽  
P.G. Kuppusamy ◽  
Aadel M. Alatwi ◽  
M. Sivaram ◽  
Z. Ahamed Yasar ◽  
...  
Keyword(s):  
Rate Equation ◽  
Simulation Software ◽  
Optical Systems ◽  
Laser Source ◽  
Optical Link ◽  
Input And Output ◽  
Modulation Techniques ◽  
Different Types ◽  
Laser Sources ◽  
Modulation Schemes

AbstractDifferent types of laser source modulation techniques have been used in various applications depending on the objective. As optical systems extract the laws and the best solutions from experiments and simulations, the present study uses simulation software with different modulation types so the output signals can be compared. The modulators used are Mach-Zehnder, which is an external modulator, and electro-absorption modulator and laser rate equation modulator, which are direct modulators. All these types have an optical link multimode (MM) fiber with a photodiode in the receiver end that can be modeled. The input and output signals are analyzed using different types of modulations.

scholarly journals Laser metal deposition of copper on diverse metals using green laser sources

2020 ◽  
Vol 107 (3-4) ◽  
pp. 1559-1568 ◽  
Author(s):  
Himani Siva Prasad ◽  
Frank Brueckner ◽  
Joerg Volpp ◽  
Alexander F. H. Kaplan
Keyword(s):  
Green Laser ◽  
Metal Deposition ◽  
Laser Metal Deposition ◽  
Laser Sources

High-power nonmode-locked femtosecond laser sources at GHz repetition rates

2020 ◽  
Author(s):  
Lilia Pontagnier ◽  
Hanyu Ye ◽  
Giorgio Santarelli ◽  
Eric Cormier
Keyword(s):  
Femtosecond Laser ◽  
High Power ◽  
Laser Sources

scholarly journals High-Order Harmonics Generation in Atomic and Molecular Zinc Plasmas

Photonics ◽  
2021 ◽  
Vol 8 (2) ◽  
pp. 29
Author(s):  
Rashid A. Ganeev ◽  
Hiroto Kuroda
Keyword(s):  
Molecular Species ◽  
High Order ◽  
Resonance Enhancement ◽  
Laser Sources ◽  
Harmonic Resonance ◽  
Harmonics Generation

We demonstrate the variations of single harmonic resonance enhancement during high-order harmonics generation in zinc-containing atomic and molecular species at the conditions of single-color and two-color pumps of laser-induced plasmas by applying different laser sources. We show how selenides of this metal notably modify the enhancement of single (9th, 15th or 16th) harmonic compared with purely atomic zinc plasmas. The variations of single harmonic enhancement are demonstrated using fixed (806 nm) and tunable (1280–1440 nm) radiation.

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