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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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초록· 키워드
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We demonstrate a frequency-resolved optical grating (FROG) device for measuring the intensity and phase versus time of several-tens-of-picoseconds laser pulses, using a thick nonlinear optical crystal. The huge pulse-front tilt generated by a holographic grating increases the temporal range of the device, which can make a single-shot measurement of laser pulses less than 100 ps in duration. To verify the measurement technique, we generate double pulses using a Michelson interferometer. The measured duration of a single pulse is about 300 fs and the measured maximum delay of two pulses is 60 ps, which implies that the proposed FROG device can measure laser pulses with maximum pulse width of about 120 ps.
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참고문헌 (12)
참고문헌 신청
C. Fornaroli / 2013 / Dicing of thin Si wafers with a picosecond laser ablation process / Phys. Procedia 41:603~609
P. Molian / 2009 / Picosecond pulsed laser ablation and micromachining of 4H-SiC wafers / Appl. Surface Sci 255:4515~4520
R. Ortiz / 2014 / Ultra-fast laser micro processing of medical polymers for cell engineering applications / Mat. Sci. and Eng 37:241~250
A. B. Rulkov / 2005 / High brightness picosecond all-fiber generation in 525-1800nm range with picosecond Yb pumping / Opt. Express 13:377~381
J. Lee / 2003 / Acousto-optic tunable filter based on a hollow optical fiber for broad band switch application / Proc. 8th OptoElec. and Comm. :193~194
P. Molian / 2009 / Picosecond pulsed laser ablation and micromachining of 4H-SiC wafers / Appl. Surface Sci 255:4515~4520
R. Ortiz / 2014 / Ultra-fast laser micro processing of medical polymers for cell engineering applications / Mat. Sci. and Eng 37:241~250
A. B. Rulkov / 2005 / High brightness picosecond all-fiber generation in 525-1800nm range with picosecond Yb pumping / Opt. Express 13:377~381
J. Lee / 2003 / Acousto-optic tunable filter based on a hollow optical fiber for broad band switch application / Proc. 8th OptoElec. and Comm. :193~194
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