High-power CO/sub 2/ laser using Gauss-core resonator for 6-kW large-volume TEM/sub 00/ mode operation

1996 ◽  
Vol 32 (8) ◽  
pp. 1299-1305 ◽  
Author(s):  
Y. Takenaka ◽  
Y. Motoki ◽  
J. Nishimae
Keyword(s):  
Large Volume ◽  
High Power ◽  
Mode Operation

scholarly journals High Power CO2 Laser Using a Gauss-core Resonator for 6 kW Large-volume TEM00 Mode Operation.

1995 ◽  
Vol 23 (9) ◽  
pp. 767-778
Author(s):  
Yushi TAKENAKA ◽  
Shigeto TAKESHIMA ◽  
Junichi NISHIMAE ◽  
Masaki KUZUMOTO ◽  
Kenji YOSHIZAWA
Keyword(s):  
Co2 Laser ◽  
Large Volume ◽  
High Power ◽  
Mode Operation ◽  
Tem00 Mode

High-power leaky-mode operation of quaternary buried-heterostructure galnpas/lnp injection laser

1982 ◽  
Vol 129 (5) ◽  
pp. 199
Author(s):  
V.V. Bezotosny ◽  
P.G. Eliseev ◽  
B.N. Sverdlov ◽  
L.M. Dolginov ◽  
E.G. Shevchenko
Keyword(s):  
High Power ◽  
Injection Laser ◽  
Leaky Mode ◽  
Mode Operation ◽  
Buried Heterostructure

Investigation of Bipolar Degradation of 1.2 kV BJTs under Different Current and Temperature Conditions

2020 ◽  
Vol 1004 ◽  
pp. 464-471
Author(s):  
Sarah Rugen ◽  
Siddarth Sundaresan ◽  
Ranbir Singh ◽  
Nando Kaminski
Keyword(s):  
Silicon Carbide ◽  
High Voltage ◽  
Current Density ◽  
High Power ◽  
Stacking Faults ◽  
Bipolar Junction Transistors ◽  
Mode Operation ◽  
Different Temperatures ◽  
Current Densities ◽  
The Impact

Bipolar silicon carbide devices are attractive for high power applications offering high voltage devices with low on-state voltages due to plasma flooding. Unfortunately, these devices suffer from bipolar degradation, which causes a significant degradation of the on-state voltage. To explore the generation of stacking faults, which cause the degradation, the impact of the current density and temperature on bipolar degradation is investigated in this work. The analysis is done by stressing the base-collector diode of 1.2 kV bipolar junction transistors (BJTs) as well as the BJTs in common-emitter mode operation with different current densities at different temperatures.

Injection seeding for single-mode operation in an optically pumped high-power D2O laser

1995 ◽  
Vol 16 (12) ◽  
pp. 2133-2146 ◽  
Author(s):  
K. Sasaki ◽  
O. Takahashi ◽  
N. Takada ◽  
M. Nagatsu ◽  
T. Tsukishima ◽  
...  
Keyword(s):  
High Power ◽  
Single Mode ◽  
Optically Pumped ◽  
Single Mode Operation ◽  
Mode Operation ◽  
Injection Seeding
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