Publications

X Author: Ralph Greif

2010

Ho, Tony, Samuel S Mao, and Ralph Greif."Improving efficiency of high-concentrator photovoltaics by cooling with two-phase forced convection."International Journal of Energy Research 34.14 (2010) 1257-1271. DOI(link is external)

2007

Wen, Sy-Bor, Ralph Greif, and Richard E Russo."Background gas effect on the generation of nanopatterns on a pure silicon wafer with multiple femtosecond near field laser ablation."Applied Physics Letters 91.25 (2007). DOI(link is external)
Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Experimental and theoretical studies of particle generation after laser ablation of copper with a background gas at atmospheric pressure."Journal of Applied Physics 101.12 (2007) 123105-123115. DOI(link is external)
Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Expansion of the laser ablation vapor plume in to a background gas: Part I: Analysis."Journal of Applied Physics 101.2 (2007). DOI(link is external)
Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Laser ablation induced vapor plume expansion into a background gas. II. Experimental analysis."Journal of Applied Physics 101.2 (2007). DOI(link is external)
Liu, Chunyi, Xianglei Mao, Ralph Greif, and Richard E Russo."Time resolved shadowgraph images of silicon during laser ablation: Shockwaves and Particle generation."Journal of Physics: Conference Series 59.1 (2007) 338-342. DOI(link is external)

2006

Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Analysis of laser ablation: contribution of ionization energy to the plasma and shockwave properties."Journal of Applied Physics 102.4 (2006). DOI(link is external)
Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Radiative cooling of laser ablated vapor plumes: experimental and theoretical analyses."Journal of Applied Physics 100.5 (2006). DOI(link is external)
Wen, Sy-Bor, Xianglei Mao, Ralph Greif, and Richard E Russo."Theoretical analysis for LIBS optimization."Spectrochimica Acta Part B: Atomic Spectroscopy (2006).

2005

Liu, Chunyi, Xianglei Mao, Samuel S Mao, Ralph Greif, and Richard E Russo."Particle-size dependent chemistry from laser ablation of brass."Analytical Chemistry 77.20 (2005) 6687-6691. DOI(link is external)
Zeng, Xianzhong, Xianglei Mao, Samuel S Mao, Sy-Bor Wen, Ralph Greif, and Richard E Russo."Laser-Induced Shockwave Propagation from Ablation in a Cavity."Applied Physics Letters (2005).

2004

Zeng, Xianzhong, Xianglei Mao, Sy-Bor Wen, Ralph Greif, and Richard E Russo."Energy deposition and shock wave propagation during pulsed laser ablation in fused silica cavities."Journal of Physics D: Applied Physics 37 (2004) 1132-1136.
Zeng, Xianzhong, Xianglei Mao, Ralph Greif, and Richard E Russo."Experimental investigation of ablation efficiency and laser-induced plasma expansion during femtosecond and nanosecond laser ablation of silicon."Applied Physics A: Materials science and processing 80 (2004) 237-241.
Zeng, Xianzhong, Xianglei Mao, Samuel S Mao, Jong-Hyun Yoo, Ralph Greif, and Richard E Russo."Laser-plasma interactions in fused silica cavities."Journal of Applied Physics 95 (2004) 816-822.
Liu, Chunyi, Xianglei Mao, Samuel S Mao, Xianzhong Zeng, Ralph Greif, and Richard E Russo."Nanosecond and femtosecond laser ablation of brass: Particulate and ICPMS measurements."Analytical Chemistry 76 (2004) 379-383.

2003

Zeng, Xianzhong, Samuel S Mao, Chunyi Liu, Xianglei Mao, Ralph Greif, and Richard E Russo."Laser-induced plasmas in micromachined fused silica cavities."Appl.Phys.Lett. 83 (2003) 240-242.
Zeng, Xianzhong, Samuel S Mao, Chunyi Liu, Xianglei Mao, Ralph Greif, and Richard E Russo."Plasma diagnostics during laser ablation in a cavity."Spectrochim.Acta Pt.B-At.Spec. 58 (2003) 867-877.

2001

Yoo, Jong-Hyun, Sungho Jeong, Xianglei Mao, Ralph Greif, and Richard E Russo."Response to "Comment on 'Evidence for phase explosion and generation of large particles during high power nanosecond laser ablation of silicon'"."Applied Physics Letters 79.3 (2001) 444-445. DOI(link is external)
Mao, Samuel S, Xianglei Mao, Ralph Greif, and Richard E Russo."Influence of preformed shock wave on the development of picosecond laser ablation plasma."Journal of Applied Physics 89.7 (2001) 4096-4098. DOI(link is external)

2000

Mao, Samuel S, Xianglei Mao, Ralph Greif, and Richard E Russo."Initiation of an early-stage plasma during picosecond laser ablation of solids."Applied Physics Letters 77.16 (2000) 2464-2466. DOI(link is external)
Yoo, Jong-Hyun, Sungho Jeong, Ralph Greif, and Richard E Russo."Explosive change in crater properties during high power nanosecond laser ablation of silicon."Journal of Applied Physics 88.3 (2000) 1638-1649. DOI(link is external)
Mao, Samuel S, Ralph Greif, Xianglei Mao, and Richard E Russo."Plasma Development During Picosecond Laser Processing of Electronic Materials."Journal of Heat Transfer-Transactions of the ASME 122.3 (2000) 424-424. DOI(link is external)
Mao, Samuel S, Xianglei Mao, Ralph Greif, and Richard E Russo."Simulation of a picosecond laser ablation plasma."Applied Physics Letters 76.23 (2000) 3370-3372. DOI(link is external)
Mao, Samuel S, Xianglei Mao, Ralph Greif, and Richard E Russo."Observation of plasma formation during picosecond laser ablation of metals."SPIE Proceedings: Laser Plasma Generation and Diagnostics 3935 (2000) 119. DOI(link is external)
Yoo, Jong-Hyun, Sungho Jeong, Xianglei Mao, Ralph Greif, and Richard E Russo."Evidence for phase-explosion and generation of large particles during high power nanosecond laser ablation of silicon."Applied Physics Letters 76.6 (2000) 783-785. DOI(link is external)