Katsuji Fujii

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We report the self-pulsing dynamics of a CH/sub 3/OH 119 /spl mu/m ring laser pumped with the CO/sub 2/ 9 /spl mu/m P(36) line. Regular pulsation and period bifurcation were observed under uni-directional operation. When the ring cavity was tuned so as to emit bi-directional output, modulated self-pulsing was observed on both the forward and backward(More)
In order to machine micro structured dies and molds made of ceramics, micro milling tools made of poly-crystalline diamond (PCD) are developed. Many cutting edges are ground with diamond wheels. Tool wears of the PCD milling tool are evaluated by cutting spherical molds made of binder-less tungsten carbide and structured surfaces are machined for trial.(More)
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