Coherent light generators – Particular component circuitry – Optical pumping
Patent
1990-12-20
1992-08-11
Epps, Georgia Y.
Coherent light generators
Particular component circuitry
Optical pumping
372 57, 372 81, 372 83, H01S 300
Patent
active
051386224
ABSTRACT:
An apparatus and method for generating high-power, high-voltage pulses for a laser having laser electrodes with an electrode path includes at least one charge unit. A pulse-generating network has an input side connected to the at least one charge unit and an output side connected to the laser electrodes. The pulse-generating network has a first branch and a second branch connected parallel to one another and connected to the laser electrodes. The first branch has a first charge capacitor with a relatively high capacitance and a magnetic switch in the form of a saturatable inductor connected in series with the first charge capacitor. The second branch has a second charge capacitor with a relatively low capacitance. A trigger branch is connected parallel to the electrode path. The trigger branch has at least one high-voltage switch and an in-series inductance. The high voltage switch serves as a trigger for initiating a saturation of the magnetic switch and a discharge of the first charge capacitor through the saturated magnetic switch into the laser electrode path.
REFERENCES:
patent: 4573160 (1986-02-01), Cirkel et al.
patent: 4635267 (1987-01-01), Cirkel et al.
patent: 4763093 (1988-08-01), Cirkel et al.
Review of Scientific Instruments, vol. 57, No. 12, Dec. 1986, American Institute of Physics (New York, US), S. Watanabe et al; "High Repetition Long Pulse XeCl Laser with a Coaxial Ceramic Pulse-Forming Line" pp. 2970-2973.
Laser and Optoelectronik, vol. 16, No. 2, Jun. 1984 (Stuttgart, DE), D. Basting et al.: "Thyratrons with Magnetic Switches: the Key to Reliable Excimer Lasers" pp. 128-131.
Appl. Phys. Lett. 48 (23), Jun. 9, 1986, pp. 1574-1576; C. H. Fisher et al.: "High Efficiency XeCl-Laser with Spiker and Magnetic Isolation".
Los Alamos National Laboratory Report, LA-88 62-MS, Sep. 1981; W. C. Nunally: "Magnetic Switches and Circuits".
Bette Willi
Friede Dirk
Epps Georgia Y.
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
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