Noncollinear second harmonic generation and light beam diffraction by transient gratings in 2-methyl-4-nitroaniline (MNA) crystals

O. Sugihara, N. Sasa, Takeshi Kinoshita, K. Sasaki

Research output: Contribution to journalArticle

Abstract

Noncollinear second harmonic generation (SHG) of Nd:YAG laser in 2- methyl-4-nitroaniline (MNA) was observed. The intensities of the SHG varied depending on the crossing angles of the two incident beams. The maximum SHG tensor component, d11=235×10-12(m/v), was determined by a new estimation. The photorefractive index change in the MNA crystal was estimated as 0.009 at light intensity increase 18(MW/cm2). The light beam diffraction at the transient grating was observed by the interference of the two incident beams.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume1147
DOIs
Publication statusPublished - 1990 Jan 15

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Second Harmonic Generation
Diffraction gratings
Harmonic generation
light beams
Gratings
Diffraction
harmonic generations
Crystal
gratings
Crystals
diffraction
crystals
Nd:YAG Laser
Light Intensity
luminous intensity
Tensors
YAG lasers
Tensor
Interference
tensors

ASJC Scopus subject areas

  • Applied Mathematics
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Computer Science Applications

Cite this

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AU - Sasa, N.

AU - Kinoshita, Takeshi

AU - Sasaki, K.

PY - 1990/1/15

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AB - Noncollinear second harmonic generation (SHG) of Nd:YAG laser in 2- methyl-4-nitroaniline (MNA) was observed. The intensities of the SHG varied depending on the crossing angles of the two incident beams. The maximum SHG tensor component, d11=235×10-12(m/v), was determined by a new estimation. The photorefractive index change in the MNA crystal was estimated as 0.009 at light intensity increase 18(MW/cm2). The light beam diffraction at the transient grating was observed by the interference of the two incident beams.

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