| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Research Abstract |
Heating and fusing of photonic crystal fibers (PCFs) that have air holes around the centers of their cross sections using a carbon dioxide laser irradiation, various functional PCF devices (PCF couplers, PCF attenuators, and so on) were fabricated. Since characteristics of PCF devices strongly depend on the states of air holes, the technique for air hole control by adjustment of irradiated laser power had been established. This technique is also effective to reduce splice losses between conventional optical fibers and PCFs.
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