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Discharge tube for a gas laser device

Image Number 4 for United States Patent #5136606.

A discharge tube for a high-speed axial-flow type discharge pumping gas laser device is provided, in which a capacitive load medium (9) under metal electrodes (2a, 2b) has convexly curved faces opposed to each other and constitutes a discharge tube. With this construction, the distribution of a laser oscillation gain within the discharge tube (1) is made uniform, and a single-mode laser beam is obtained.

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