scholarly journals Intercavity Stimulated Scattering in Planar FEM as a Base for Two-Stage Generation of Submillimeter Radiation

10.5772/8429 ◽  
2010 ◽  
Author(s):  
Andrey Arzhanikov
Keyword(s):  
Stimulated Scattering ◽  
Two Stage ◽  
Submillimeter Radiation

scholarly journals Intercavity stimulated scattering in planar FEM as a base for two-stage generation of submillimeter radiation

2007 ◽  
Author(s):  
A. V. Arzhannikov ◽  
V. T. Astrelin ◽  
N. S. Ginzburg ◽  
P. V. Kalinin ◽  
A. S. Kuznetsov ◽  
...  
Keyword(s):  
Stimulated Scattering ◽  
Two Stage ◽  
Submillimeter Radiation

Development of the Two-Stage Planar Fem for the Terahertz Band on the Basis of the ELMI Accelerator

2012 ◽  
Vol 7 (1) ◽  
pp. 5-14
Author(s):  
Andrey Arzhannikov ◽  
Naum Ginzburg ◽  
Vladislav Zaslavkiy ◽  
Irina Zotova ◽  
Petr Kalinin ◽  
...  
Keyword(s):  
High Power ◽  
High Frequency ◽  
Scattered Radiation ◽  
Electron Beams ◽  
Low Frequency ◽  
Stimulated Scattering ◽  
Two Stage ◽  
Terahertz Band ◽  
Bragg Structures ◽  
Cathode Unit

Project of the two-stage FEM-generator based on the ELMI accelerator with two parallel sheet electron beams formed in a single cathode unit is under development currently. In this scheme the first beam is used in the low-frequency section of the FEM for generating of high-power 75 GHz radiation. This radiation than goes through the coupling waveguides to the second channel and operates as a pumping wave which scatter on the second beam into the terahertz band. Our paper is devoted to modeling of various stimulated scattering regimes in this high-frequency section. Regime of the selfamplified spontaneous emission (SASE) is considered as well as a generator with resonator for the scattered radiation formed with advanced Bragg structures, based on coupling of traveling and quasi-critical waves

Two-stage self-seeding method for preparation of single crystals of poly(phenylene sulfide)

1989 ◽  
Vol 47 ◽  
pp. 368-369
Author(s):  
Sengshiu Chung ◽  
Peggy Cebe
Keyword(s):  
Single Crystals ◽  
High Performance ◽  
Dilute Solution ◽  
Two Stage ◽  
Annealing Behavior ◽  
High Performance Polymers ◽  
Seeding Method ◽  
Phenylene Sulfide

We are studying the crystallization and annealing behavior of high performance polymers, like poly(p-pheny1ene sulfide) PPS, and poly-(etheretherketone), PEEK. Our purpose is to determine whether PPS, which is similar in many ways to PEEK, undergoes reorganization during annealing. In an effort to address the issue of reorganization, we are studying solution grown single crystals of PPS as model materials.Observation of solution grown PPS crystals has been reported. Even from dilute solution, embrionic spherulites and aggregates were formed. We observe that these morphologies result when solutions containing uncrystallized polymer are cooled. To obtain samples of uniform single crystals, we have used two-stage self seeding and solution replacement techniques.

364: Two stage "Progressive Elongation of Spermatic Cord" Technique in Criptorchidism with very short Spermatic Vessels

2007 ◽  
Vol 177 (4S) ◽  
pp. 121-121
Author(s):  
Antonio Dessanti ◽  
Diego Falchetti ◽  
Marco Iannuccelli ◽  
Susanna Milianti ◽  
Gian P. Strusi ◽  
...  
Keyword(s):  
Spermatic Cord ◽  
Two Stage

360: A Contemporary Analysis of Two-Stage Hypospadias Repair

2007 ◽  
Vol 177 (4S) ◽  
pp. 120-120
Author(s):  
Pamela I. Ellsworth ◽  
Anthony Caldamone
Keyword(s):  
Hypospadias Repair ◽  
Two Stage

Two-Stage Gastric Surgery Urged for Superobese

2005 ◽  
Vol 38 (18) ◽  
pp. 68
Author(s):  
SHARON WORCESTER
Keyword(s):  
Gastric Surgery ◽  
Two Stage
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