Coherence time measurement of picosecond pulses by a light-induced grating method |
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| Authors: | H. J. Eichler U. Klein D. Langhans |
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| Affiliation: | 1. Optisches Institut, Technische Universit?t, 1000, Berlin 12, Fed. Rep. Germany
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| Abstract: | The temporal coherence function |Γ(τ)| of picosecond pulses from a Nd: YAG laser has been measured by diffraction at a transient grating. The coherence timet c =7 ps is small compared to the pulse widtht p =22 ps but is in correspondence with the spectral bandwidth Δv=12·1010 Hz. The new method for measuring the coherence function |Γ(τ)| is discussed and compared with a previous experiment. |
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