Coherent light generators – Particular pumping means – Electrical
Patent
1993-01-21
1994-12-13
Davie, James W.
Coherent light generators
Particular pumping means
Electrical
372 35, 372 58, 372 64, 372 88, 372 86, H01S 3097
Patent
active
053735285
ABSTRACT:
According to the present invention there is provided a laser apparatus capable of efficient oscillation with an excitation power source with comparatively low frequency, wherein discharge is obliquely generated within the rectangular section of a discharge space. There is also provided a laser apparatus with a pair of preliminary discharge excitation electrodes which can readily initiate discharge. There is further provided a laser apparatus capable of efficient oscillation with an excitation power source with comparatively low frequency, wherein provided is a pair of discharge excitation electrodes located in the major side direction of discharge space whose length is more than three times as long as that of minor side direction thereof. There is further provided a laser apparatus with a pair of discharge excitation electrodes whose dimension is smaller than that of a pair of dielectric plates, which apparatus can prevent undesirable discharge. There is also provided a laser apparatus with more than three discharge spaces at least one of which is given a lower electric field having the apparatus oscillate efficiently. There is further provided a laser apparatus with an improved oscillation efficiency wherein furnished are dielectric double pipes creating a substantially large discharge space.
REFERENCES:
patent: 4719639 (1988-01-01), Tulip
patent: 4939738 (1990-07-01), Opower
patent: 5048048 (1991-09-01), Nishimae et al.
patent: 5140606 (1993-08-01), Yarborough et al.
patent: 5220576 (1993-06-01), Krueger et al.
R. Nowack et al., "High Power CO.sub.2 Waveguide Laser of the 1 kW Category", SPIE Proceedings, vol. 1276, Mar. 1990, pp. 18 and 19.
Kuzumoto Masaki
Nishimae Jun-ichi
Takenaka Yushi
Yamamoto Takashi
Yoshizawa Kenji
Davie James W.
Mitsubishi Denki & Kabushiki Kaisha
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