Search Results - "Takasago, Kazuya"

Design of frequency-domain filters for femtosecond pulse shaping by TAKASAGO, K, ITOH, T, TAKEKAWA, M, UTOH, K.-I, KANNARI, F

“…As a calibration method for frequency-domain filters in Fourier-transform synthesis of arbitrarily shaped laser pulses, the spatial amplitude and phase profile…”
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REDUCTION OF TIMING JITTER WITH ACTIVE CONTROL IN A kHz REGENERATIVE AMPLIFIER OF FEMTOSECOND PULSE Ti:Al2O3 LASER by Miura, T, Takasago, K, Kobayashi, K, Zhang, Z, Torizuka, K, Kannari, F

“…Authors measured the timing error of femtosecond pulses amplified by a Ti:sapphire regenerative amplifier operated at a 1 kHz repetition rate using a modified…”
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Accurate pulse shaping of femtosecond lasers using programmable phase-only modulator by TAKASAGO, K, TAKEKAWA, M, KANNARI, F, TANI, M, SAKAI, K

“…Accurate pulse shaping of femtosecond optical pulses is obtained using a 128-pixel liquid crystal spatial light modulator, which manipulates the spectral phase…”
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Evaluation of femtosecond pulse shaping with low-loss phase-only masks by Takasago, K., Takekawa, M., Suzuki, M., Komori, K., Kannari, F.

“…We numerically and experimentally evaluate the performance of programmable femtosecond pulse shaping with specified time-dependent amplitude and phase profiles…”
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Advanced femtosecond lasers in Manufacturing by Sekita, H., Imahoko, T., Takasago, K., Kamata, M., Tsujikawa, S., Sumiyoshi, T.

“…We solved the stability, life-time and cost problems of femtosecond lasers and opened the door to their huge commercial market in near future. Femtosecond…”
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Reduction of Timing Jitter with Active Control in a kHz Regenerative Amplifier of Femtosecond Pulse Ti:Al 2 O 3 Laser by Miura, Taisuke, Takasago, Kazuya, Kobayashi, Katsuyuki, Zhang, Zhigang, Torizuka, Kenji, Kannari, Fumihiko

“…We measured the timing error of femtosecond pulses amplified by a Ti:sapphire regenerative amplifier operated at a 1 kHz repetition rate using a modified…”
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50 kHz, 62μJ femtosecond pulse SHG at 389 nm from a single stage Ti:sapphire regenerative amplifier by Inoue, N., Imahoko, T., Takasago, K., Sumiyoshi, T.

“…We have demonstrated the second harmonic generation with output pulses of a 50 kHz Ti:sapphire regenerative amplifier. 280 fs pulses with an average power of…”
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Advanced femtosecond lasers in Manufacturing by Sekita, Hitoshi, Imahoko, Tomohiro, Takasago, Kazuya, Kamata, Masanao, Tsujikawa, Susumu, Sumiyoshi, Tetsumi

“…We solved the stability, life-time and cost problems of femtosecond lasers and opened the door to their huge commercial market in near future. Femtosecond…”
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10,000-hour maintenance-free operation of 1-W femtosecond laser for industrial applications by Takasago, K., Imahoko, T., Nakata, N., Sumiyoshi, T., Sekita, H.

“…We demonstrated stable operation of the femtosecond laser continuously over 10,000 hours only with compensation of power loss of LDs…”
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Tunable femtosecond high power mid-infrared laser pulses by Imahoko, T., Zhigang Zhang, Takada, Y., Takasago, K., Sumiyoshi, T., Obara, M., Takahashi, K.

“…We report a mid-infrared (MIR) optical pulse source (6-12 mum), which is constructed by a regenerative amplifier and an OPA followed by a DFG unit. The maximum…”
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Generation of amplified picosecond square shaped pulses in ultraviolet region for an RF photocathode by Takasago, K., Endo, A., Yada, A., Washio, M., Torizuka, K.

“…Summary form only given. The photocathode RF gun can generate short pulse length electron bunches since the employed laser pulses in the RF gun are very short,…”
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Timing stabilization of 1 kHz femtosecond pulses with active control by Miura, T., Takasago, K., Endo, A., Torizuka, K., Kannari, F.

“…Summary form only given. A high brightness femtosecond X-ray pulse can be obtained by the laser Compton scattering process. In our plan, a 1 ps single electron…”
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Generation of amplified square shaped picosecond pulses with phase-only filters for an efficient electron generation in an RF-gun by Takasago, K., Yada, A., Miura, T., Washio, M., Kannari, F., Zhigang Zhang, Torizuka, K., Endo, A.

“…Applications, such as the coherent control of chemical reactions and the efficient generation of electrons in an RF-gun, need amplified and arbitrarily shaped…”
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