Three-dimensional ray-trace model for predicting the performance of flashlamp-pumped laser amplifiers

1997 ◽  
Author(s):  
Kenneth S. Jancaitis ◽  
Scott W. Haney ◽  
David H. Munro ◽  
Geoffroy LeTouze ◽  
Olivier Cabourdin
Keyword(s):  
Three Dimensional ◽  
Laser Amplifiers ◽  
Trace Model ◽  
Ray Trace

Three‐dimensional simulation of dye laser amplifiers

1992 ◽  
Vol 71 (3) ◽  
pp. 1109-1115 ◽  
Author(s):  
K. Takehisa ◽  
H. Nishimura ◽  
A. Miki
Keyword(s):  
Three Dimensional ◽  
Dye Laser ◽  
Laser Amplifiers ◽  
Dimensional Simulation

Ray trace model of the Santa Barbara, California, Land-Sea Seismic Refraction Experiment

1983 ◽  
Vol 10 (10) ◽  
pp. 933-936 ◽  
Author(s):  
B. Keller ◽  
W. A. Prothero ◽  
A. M. Trehu ◽  
D. J. Stierman
Keyword(s):  
Seismic Refraction ◽  
Santa Barbara ◽  
Trace Model ◽  
Ray Trace

Modeling the impact of wide-azimuth acquisition on subsalt imaging

Geophysics ◽  
2007 ◽  
Vol 72 (5) ◽  
pp. SM241-SM250 ◽  
Author(s):  
Bruce J. VerWest ◽  
Dechun Lin
Keyword(s):  
Simple Model ◽  
Input Data ◽  
Three Dimensional ◽  
Complex Model ◽  
3D Surface ◽  
Seismic Image ◽  
Ray Trace ◽  
Subsalt Imaging ◽  
Multiple Elimination ◽  
The Impact

Wide-azimuth towed streamer (WATS) acquisition improves the subsalt seismic image by suppressing multiples, improves the results of 3D surface-related-multiple elimination (SRME) processing, and provides more uniform seismic illumination of subsalt targets. A simple model shows that the additional suppression of multiples in the case of WATS acquisition is the result of a natural weighting of the traces going into the stack due to the areal nature of the acquisition. This simple model also shows that the extent of the additional multiple suppression is strongly dependent on the acquisition effort. A sparse acquisition effort will result in little additional multiple suppression. The use of 3D SRME processing is shown to be more accurate in predicting multiples, given input data with multiple azimuths, compared to making similar predictions from narrow-azimuth data. Three-dimensional SRME has the potential to reduce the residual multiples to the same extent as WATS acquisition with a higher acquisition effort. A complex model demonstrates that WATS acquisition does reduce the multiple-generated noise in subsalt images, but 3D SRME processing further reduces the residual multiple noise. The use of 3D SRME may reduce the multiples more than that achieved by increasing the cable half-aperture in the WATS acquisition effort. Finally, ray trace modeling is used to investigate the effect of WATS acquisition on subsurface illumination for subsalt imaging. We show that narrow-azimuth acquisition produces irregularities in subsalt illumination perpendicular to the acquisition direction which are a potential cause of migration noise. WATS acquisition results in higher and more uniform subsalt illumination and, hence, improves the subsalt image by reducing subsalt migration noise.

scholarly journals Effect of amplified spontaneous emission and parasitic oscillations on the performance of cryogenically-cooled slab amplifiers

2013 ◽  
Vol 31 (4) ◽  
pp. 553-560 ◽  
Author(s):  
Magdalena Sawicka ◽  
Martin Divoky ◽  
Antonio Lucianetti ◽  
Tomas Mocek
Keyword(s):  
Energy Storage ◽  
Spontaneous Emission ◽  
Operating Temperature ◽  
Three Dimensional ◽  
Amplified Spontaneous Emission ◽  
Stored Energy ◽  
Laser Amplifiers ◽  
Slab Laser ◽  
Heat Deposition

AbstractWe present a three-dimensional code for the optimization of energy storage, heat deposition, and amplification in square-shaped laser slabs and multi-slab laser amplifiers. The influence of the slab dimensions, slab face and edge reflectivities, pump parameters, and operating temperature on amplified spontaneous emission and stored energy has been investigated. The multi-slab and single-slab configurations are compared, analyzing in detail the influence of the absorption cladding for the suppression of amplified spontaneous emission radiation.

Sign in / Sign up

Export Citation Format

Share Document