Dr. Constantin G. Fenic Profile

Dr. Constantin G. Fenic

Senior Technology Engineer at INFLPR

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 4 December 2012 Paper

Automated test station for laser-induced damage threshold measurements according to ISO 21254-1,2,3,4 standards

Aurel Stratan, Alexandru Zorila, Laurentiu Rusen, Sandel Simion, Constantin Blanaru, Constantin Fenic, Liviu Neagu, George Nemes

Proceedings Volume 8530, 85301Y (2012) https://doi.org/10.1117/12.976845

KEYWORDS: Silica, Laser induced damage, Laser damage threshold, Standards development, Pulsed laser operation, Camera shutters, Sensors, Signal processing, Dielectrics, Error analysis

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Proceedings Article | 5 June 2008 Paper

Picosecond laser system based on microchip oscillator seed

Razvan Dabu, Aurel Stratan, Constantin Fenic, Constantin Blanaru, Laurentiu Rusen

Proceedings Volume 7022, 70221B (2008) https://doi.org/10.1117/12.804110

KEYWORDS: Laser systems engineering, Optical amplifiers, Picosecond phenomena, Ultraviolet radiation, Nd:YAG lasers, Crystals, Infrared radiation, Oscillators, Mirrors, Laser crystals

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Proceedings Article | 29 April 2008 Paper

Development of a technological system for manufacturing diamond cutting disks by laser welding procedure

Gh. Gheorghe, P. Beca, C. Marinescu, I. Farcaş, c. Fenic

Proceedings Volume 7007, 70070B (2008) https://doi.org/10.1117/12.801958

KEYWORDS: Laser welding, Laser cutting, Manufacturing, Diamond, Diamond machining, Mechatronics, Laser applications, Annealing, Electronic components, Control systems

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Proceedings Article | 1 August 2007 Paper

Single frequency green nanosecond Nd:YAG microlaser-oscillator power-amplifier system

R. Dabu, C. Blanaru, A. Stratan, O. Pacala, C. Fenic, L. Neagu, L. Rusen, D. Ursu, V. Tornari, Y. Orphanos

Proceedings Volume 6785, 678508 (2007) https://doi.org/10.1117/12.755498

KEYWORDS: Crystals, Mirrors, Nd:YAG lasers, Reflectivity, Fabry–Perot interferometers, Q switched lasers, Laser systems engineering, Laser development, Resonators, Semiconductor lasers

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Proceedings Article | 25 April 2007 Paper

Damage tests for 355 nm laser mirror by using a new variable spot size optical system (VariSpot)

Constantin Fenic, Liviu Neagu, Cristian Viespe, Gheorghe Honciuc, George Nemeş

Proceedings Volume 6606, 66060C (2007) https://doi.org/10.1117/12.729517

KEYWORDS: Mirrors, Attenuators, Pulsed laser operation, Laser damage threshold, Neodymium, Reflectivity, Zoom lenses, Laser induced damage, Nd:YAG lasers, Diagnostics

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Proceedings Article | 25 April 2007 Paper

Processing of synthetic and natural diamond dies with AO Q-switched Nd:YAG laser

C. Fenic, C. Blanaru, O. Pacala, A. Stratan, R. Dabu, M. Zamfirescu, L. Rusen, L. Neagu, G. Voicu

Proceedings Volume 6606, 660617 (2007) https://doi.org/10.1117/12.729501

KEYWORDS: Diamond, Laser drilling, Mirrors, Nd:YAG lasers, Objectives, Adaptive optics, Laser processing, Crystals, Q switched lasers, Laser systems engineering

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Proceedings Article | 21 October 2004 Paper

Nd:YAG microchip laser frequency doubling with periodically poled and conventional type II KTP crystals

Razvan Dabu, Aurel Stratan, Constantin Fenic, Constantin Ungureanu, Liviu Neagu, Laurentiu Rusen

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582792

KEYWORDS: Crystals, Nonlinear crystals, Laser crystals, Ferroelectric materials, Nd:YAG lasers, Second-harmonic generation, Semiconductor lasers, Infrared radiation, Q switched lasers, Phase matching

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Proceedings Article | 21 October 2004 Paper

The effect of deposition parameters on the boron nitride films grown on Si(100) by PLD with nanosecond pulses

C. Luculescu, Shunichi Sato, Constantin Fenic

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582922

KEYWORDS: Boron, Nitrogen, Protactinium, Nd:YAG lasers, FT-IR spectroscopy, Scanning electron microscopy, Oxides, Oxygen, Ions, Nickel

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Proceedings Article | 9 August 2002 Paper

Multipulse passively Q-switched Nd:YAG laser for material surface cleaning

Constantin Fenic, Aurel Stratan, Razvan Dabu, Ion Mihailescu, Constantin Blanaru, Constantin Ungureanu

Proceedings Volume 4762, (2002) https://doi.org/10.1117/12.478628

KEYWORDS: Q switched lasers, Nd:YAG lasers, Crystals, Mirrors, Optical fibers, Resonators, Laser crystals, Laser damage threshold, Laser ablation, Pulsed laser operation

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Proceedings Article | 29 June 2001 Paper

Ablation study with a Nd:YAG laser in enhanced free-running regime

Constantin Fenic, Aurel Stratan, Ion Mihailescu, Razvan Dabu, Alexandru Popa, Ileana Apostol, Carmen Ristoscu, G. Muscalu, Vassilis Zafiropulos

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432846

KEYWORDS: Laser ablation, Nd:YAG lasers, Resonators, Mirrors, Crystals, Pulsed laser operation, Laser crystals, Laser systems engineering, Reflectivity, Q switched lasers

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SPIE Journal Paper | 1 March 2001

Eye-safe singly resonant KTP parametric oscillator pumped inside the Nd:YAG laser cavity

Razvan Dabu, Aurel Stratan, Constantin Fenic, C. Luculescu, G. Muscalu

OE, Vol. 40, Issue 03, (March 2001) https://doi.org/10.1117/12.10.1117/1.1349217

KEYWORDS: Nd:YAG lasers, Ferroelectric materials, Crystals, Q switched lasers, Optical parametric oscillators, Mirrors, Pulsed laser operation, Laser resonators, Signal detection, Nonlinear crystals

Proceedings Article | 23 February 2000 Paper

Experimental investigation on multimode quartz fiber phase conjugation using SBS

Anca Mocofanescu, M. Zamfirescu, Constantin Fenic, Aurel Stratan, Tiberiu Visan

Proceedings Volume 4068, (2000) https://doi.org/10.1117/12.378712

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Proceedings Article | 2 July 1998 Paper

LBO optical parametric oscillator pumped by second harmonic of a Nd:YAG laser

Razvan Dabu, Constantin Fenic, Aurel Stratan, C. Luculescu, G. Muscalu

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312790

KEYWORDS: Optical parametric oscillators, Nd:YAG lasers, Optical resonators, Indium nitride, Mirrors, Signal attenuation, Pulsed laser operation, Reflectivity, Crystals, Semiconductor lasers

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Proceedings Article | 2 July 1998 Paper

Effects of UV laser radiation on the surface defects of NiO catalysts

Eugenia Ivana, Veronica Lacatusu, Mariana Chelu, Mariana Craiu, Constantin Fenic, Aurel Stratan, Leona Nistor, Cornel Ghica, P. Marginean

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312760

KEYWORDS: Telescopic pixel displays, Ultraviolet radiation, Adsorption, Oxides, Radiation effects, Crystals, Semiconductors, Transmission electron microscopy, P-type semiconductors, Q switched lasers

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Proceedings Article | 2 July 1998 Paper

Performance of a pump system for diode-pumped lasers

Aurel Stratan, Constantin Fenic, Razvan Dabu, Nicolae Herisanu, C. Luculescu, Dan Sporea, Gabriel Dumitru, Gheorghe Iordache

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312681

KEYWORDS: Nd:YAG lasers, Absorption, Laser systems engineering, Continuous wave operation, Diodes, Semiconductor lasers, Laser development, Beam splitters, Crystals, Beam analyzers

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Proceedings Article | 2 July 1998 Paper

Dependence of the ablative effect of nanosecond laser pulses at the surface of dentine samples on the laser wavelength

Constantin Fenic, Ioan Chis, Razvan Dabu, Aurel Stratan, Ion Apostol, Razvan Stoian, C. Luculescu, Cornel Ghica, Leona Nistor

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312649

KEYWORDS: Laser ablation, Absorption, Acoustics, Plasma, Nd:YAG lasers, Scanning electron microscopy, Ultraviolet radiation, Photoacoustic spectroscopy, Laser damage threshold, Signal detection

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Proceedings Article | 8 March 1995 Paper

Picosecond-laser amplifier for optical-parametric-oscillator pumping

Razvan Dabu, Constantin Fenic, Ionel-Valeriu Grozescu, Aurel Stratan, N. Negoita, G. Muscalu

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203585

KEYWORDS: Picosecond phenomena, Optical amplifiers, Nd:YAG lasers, Oscillators, Optical parametric oscillators, Visible radiation, Crystals, Mode locking, Nonlinear crystals, Reflectivity

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Proceedings Article | 8 March 1995 Paper

TEMoo Nd:YAG lasers with dynamic-stable resonators

Aurel Stratan, Constantin Fenic, Razvan Dabu, Ionel-Valeriu Grozescu, G. Muscalu

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203596

KEYWORDS: Resonators, Mirrors, Nd:YAG lasers, Q switching, Rod lasers, Interferometric modulator displays, Laser resonators, Transmission electron microscopy, Silicon, Molybdenum

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Proceedings Article | 8 March 1995 Paper

Laser application in environmental catalysis

Eugenia Ivana, Veronica Lacatusu, Mariana Chelu, Constantin Fenic, Razvan Dabu, Aurel Stratan, Dumitru Dragulinescu, Ioan Chis

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203511

KEYWORDS: Carbon dioxide, Excimer lasers, Adsorption, Photons, Catalysis, Laser applications, Carbon dioxide lasers, Laser irradiation, Carbon monoxide, Telescopic pixel displays

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Showing 5 of 19 publications

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