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PICOSECOND PULSE MEASUREMENT BY TWO-PHOTON EXCITATION OF PHOTOGRAPHIC FILM
Author(s) -
David C. Burnham,
Kenneth W. Billman
Publication year - 1968
Publication title -
applied physics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 442
eISSN - 1077-3118
pISSN - 0003-6951
DOI - 10.1063/1.1652499
Subject(s) - picosecond , excitation , optics , two photon excitation microscopy , photon , materials science , optoelectronics , pulse (music) , bandwidth (computing) , physics , laser , detector , computer science , quantum mechanics , computer network
A simple technique for observing picosecond light pulses is demonstrated. The overlap between two light beams is measured by two‐photon excitation of a photographic film which is below threshold for one‐photon excitation. The resolution of the method is variable and limited only by the bandwidth of the photographic film.

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