Laser induced gas breakdown: A bibliographical review

DeMichelis, C.

doi:10.1109/jqe.1969.1075758

Cited by 193 publications

(60 citation statements)

References 65 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…A minimum in the variation of the threshold power density versus pressure is predicted by the classical theory. 63,64 In our experiments, a minimum in the threshold power density versus pressure curve ͑Fig. 2͒ is observed.…”

Section: F Laser-induced Breakdown Mechanism In Trisilanementioning

confidence: 51%

Laser-induced breakdown spectroscopy of trisilane using infrared CO2 laser pulses

Camacho

Poyato

Díaz

et al. 2007

Journal of Applied Physics

View full text Add to dashboard Cite

Synthesis and photoluminescence of fluorinated graphene quantum dots Appl. Phys. Lett. 102, 013111 (2013) The luminescence characteristics of CsI(Na) crystal under α and X/γ excitation J. Appl. Phys. 113, 023101 (2013) Structural and optoelectronic properties of Eu2+-doped nanoscale barium titanates of pseudo-cubic form J. Appl. Phys. 112, 124321 (2012) Quantum yield of luminescence of Ag nanoclusters dispersed within transparent bulk glass vs. glass composition and temperature Appl. Phys. Lett. 101, 251106 (2012) Additional information on J. Appl. Phys. The plasma produced in trisilane ͑Si 3 H 8 ͒ at room temperature and pressures ranging from 50 to 10 3 Pa by laser-induced breakdown ͑LIB͒ has been investigated. The ultraviolet-visible-near infrared emission generated by high-power IR CO 2 laser pulses in Si 3 H 8 has been studied by means of optical emission spectroscopy. Optical breakdown threshold intensities in trisilane at 10.591 m for laser pulse lengths of 100 ns have been measured as a function of gas pressure. The strong emission observed in the plasma region is mainly due to electronic relaxation of excited atomic H and Si and ionic fragments Si + , Si 2+ , and Si 3+ . An excitation temperature T exc = 5600± 300 K was calculated by means of H atomic lines assuming local thermodynamic equilibrium. The physical processes leading to LIB of trisilane in the power density range 0.28 GW cm −2 Ͻ J Ͻ 3.99 GW cm −2 have been analyzed. From our experimental observations we can propose that, although the first electrons must appear via multiphoton ionization, electron cascade is the main mechanism responsible for the breakdown in trisilane.

show abstract

Section: F Laser-induced Breakdown Mechanism In Trisilanementioning

confidence: 51%

Laser-induced breakdown spectroscopy of trisilane using infrared CO2 laser pulses

Camacho

Poyato

Díaz

et al. 2007

Journal of Applied Physics

View full text Add to dashboard Cite

show abstract

“…Traditional micro-fabrication methods of microchannels contain electron beam lithography, reactive ion etching, masking et al But these methods have shortcomings, such as expensive and time consuming [13]. Much attention has been paid to laser micromachining because of a number of advantages: single-step processing with high exibility, and no contamination of material being processed etc.…”

Section: Introductionmentioning

confidence: 99%

Study on the Breakdown Mechanism of Fabrication of Micro Channels in Fused Silica Substrates with ps Laser Pulses

Bai

Qin

2013

Acta Phys. Pol. A

View full text Add to dashboard Cite

A new microchannel fabrication technology for fused silica substrate is presented. A mode-locked laser was used to fabricate straight microchannels in a fused silica substrate by laser plasma-induced plasma. The depth of the channels is up to 5 mm and there are no thermal cracks around the channel. We studied the ionization mechanism of optical breakdown formed by laser pulses and discussed the optical breakdown threshold. A mechanism is proposed to explain the formation of the microchannels and the characteristics of the microchannels are analyzed through the laser pulse characteristics.

show abstract

“…The formation of laser-induced breakdown ͑LIB͒ plasma in a gas has been investigated since its discovery 1 resulting in several studies that have been summarized by different authors. [2][3][4][5][6][7][8][9][10][11][12][13][14] The LIB plasma develops a shock wave into the ambient medium and the gas is heated to high temperatures ͑1-3 eV͒. 15 After breakdown, the plasma becomes very opaque and an abrupt shutoff of the laser transmitted light occurs.…”

Section: Introductionmentioning

confidence: 99%

Time-resolved optical emission spectroscopy of laser-produced air plasma

Camacho

Díaz

Santos

et al. 2010

Journal of Applied Physics

View full text Add to dashboard Cite

Nonmonotonic radial distribution of excited atoms in a positive column of pulsed direct currect discharges in helium Appl. Phys. Lett. 102, 034104 (2013) Iterative Boltzmann plot method for temperature and pressure determination in a xenon high pressure discharge lamp J. Appl. Phys. 113, 043303 (2013) Surface loss probability of H radicals on silicon thin films in SiH4/H2 plasma J. Appl. Phys. 113, 013303 (2013) A large volume uniform plasma generator for the experiments of electromagnetic wave propagation in plasma Phys. Plasmas 20, 012101 (2013) Diagnosing the plasma nonuniformity in an iron opacity experiment by spatially resolved Al 1s-2p absorption spectroscopy Phys. Plasmas 19, 123301 (2012) Additional information on J. Appl. Phys. The results show a faster decay of continuum and ionic spectral species than of neutral atomic and molecular ones. The velocity and kinetic energy distributions for the different species were obtained from time-of-flight measurements. Excitation temperature and electron density in the laser-induced plasma were estimated from the analysis of spectral data at various times from the laser pulse incidence. Temporal evolution of electron density has been used for the estimation of the three-body recombination rate constant.

show abstract

Laser induced gas breakdown: A bibliographical review

Cited by 193 publications

References 65 publications

Laser-induced breakdown spectroscopy of trisilane using infrared CO2 laser pulses

Laser-induced breakdown spectroscopy of trisilane using infrared CO2 laser pulses

Study on the Breakdown Mechanism of Fabrication of Micro Channels in Fused Silica Substrates with ps Laser Pulses

Time-resolved optical emission spectroscopy of laser-produced air plasma

Contact Info

Product

Resources

About