Accurate pulse shaping of femtosecond lasers using programmable phase-only modulator

Kazuya Takasago, Makoto Takekawa, Fumihiko Kannari, Masahiko Tani, Kiyomi Sakai

研究成果: Article査読

7 被引用数 (Scopus)

抄録

Accurate pulse shaping of femtosecond optical pulses is obtained using a 128-pixel liquid crystal spatial light modulator, which manipulates the spectral phase of the optical frequency components in a Fourier-transformed plane. The spectral phase shifts produced by the modulator can be programmed using a simulated annealing optimization code so as to obtain the desired pulse shapes. Significant improvement in the pulse shaping accuracy is achieved by increasing the number of gray levels in the spectral phase mask to 128. Several examples of pulse shaping operation, including high-repetition-rate pulse trains and asymmetric pulse trains, are described.

本文言語English
ページ(範囲)L1430-L1433
ジャーナルJapanese Journal of Applied Physics, Part 2: Letters
35
11 PART A
DOI
出版ステータスPublished - 1996 11月 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(その他)
  • 物理学および天文学(全般)

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