| Budget Amount *help |
¥49,270,000 (Direct Cost: ¥37,900,000、Indirect Cost: ¥11,370,000)
Fiscal Year 2007: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2006: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2005: ¥19,240,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥4,440,000)
Fiscal Year 2004: ¥20,540,000 (Direct Cost: ¥15,800,000、Indirect Cost: ¥4,740,000)
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| Research Abstract |
We mainly studied the generation, measurement and control of mono-to few-optical-cycle fields (〜10-^<15>-s(1-fs) optical pulses), as follows:
(1) the generation of 2.8 fs, 1.5-cycle isolated pulses by self-phase modulation
(2) the generation of 2.6 fs, 1.3-cycle, 1.4 GW isolated pulses by induced phase modulation
(3) the generation of carrier-envelop phase stabilized 3.3 fs, 1.7-cycle isolated pulses
To the best of our knowledge, those are the shortest isolated pulse in the visible to near-infrared (NIR) region
(4) the first construction of the self-recognition type of the computer-controlled spectral-phase manipulator having an over-octave bandwidth and its automatic control using a wavelet transform method
(5) the first development of a new liquid-crystal spatial light modulator operating in the UV-to-NIR spectral region for the shorter optical-pulse generation
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