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Spectral measurement of picosecond optical pulses by optogalvanic spectroscopy

オプトガルバニック分光によるピコ秒光パルスのスペクトル測定

松岡 雷士; 小川 健太*; 横山 啓一

Matsuoka, Leo; Ogawa, Kenta*; Yokoyama, Keiichi

We measured power spectrum of the picosecond pulses generated from a homemade Ti:Sapphire narrow-band laser by using optogalvanic spectroscopy of argon, which is a lower-cost method than using optical spectrum analyzers. This method can be used for the pulse whose linewidth is about 1.0-10 cm$$^{-1}$$.

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