In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses.

In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses. Research Abstract Details 

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In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses. Abstract Text:

K Yamada,W Watanabe,T Toma,K Itoh,J Nishii,

We investigated the relationship between the formation of filaments and local refractive-index changes induced by femtosecond laser pulses in silica glass. In situ observation revealed that the location of a filament coincided with that of the refractive-index change. Observation also showed that the region of refractive-index change was elongated toward the upstream direction of the laser pulses with increasing exposure time. The region of refractive-index change was several hundred micrometers long, and its diameter was smaller than 2 mum. The refractive-index change was confirmed by two of three different methods to be as large as 0.8 x 10(-2).

In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses. Publishing Authors By Initials

K Yamada,W Watanabe,T Toma,K Itoh,J Nishii,

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In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Optics letters

VOLUME: 26

Page Numbers: 19-21

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ISSN: 0146-9592

DAY: 1

MONTH: Jan

YEAR: 2001

In situ observation of photoinduced refractive-index changes in filaments formed in glasses by femtosecond laser pulses. Information

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LANGUAGE: eng

NlmUniqueID: 7708433

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Country: United States

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MEDLINETA: Opt Lett

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