Collinear phase-matched terahertz-wave generation in GaP crystal using a dual-wavelength optical parametric oscillator

T. Taniuchi; H. Nakanishi

doi:10.1063/1.1751238

Collinear phase-matched terahertz-wave generation in GaP crystal using a dual-wavelength optical parametric oscillator

T. Taniuchi, H. Nakanishi

Advanced Interdisciplinary Research Division

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67 Citations (Scopus)

Abstract

The collinear phase-matched THz-wave generation in GaP crystal was discussed using collinear difference frequency mixing. The phase-matching conditions were calculated by determining the wavelength range and length of GaP crystal for efficient difference frequency generation (DFG). THz waves were generated using a dual-wavelength KTiOPO₄-Optical parametric oscillator (KTP-OPO) from 0.5 to 4.5 THz by angle tuning the KTP crystal in the OPO cavity. It was found that tunable THz-wave system, consisting of a DFG-based THz-wave source and a pyroelectric detector was useful in practical THz imaging, THz sensing and spectroscopic applications.

Original language	English
Pages (from-to)	7588-7591
Number of pages	4
Journal	Journal of Applied Physics
Volume	95
Issue number	12
DOIs	https://doi.org/10.1063/1.1751238
Publication status	Published - 2004 Jun 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.1751238

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abstract = "The collinear phase-matched THz-wave generation in GaP crystal was discussed using collinear difference frequency mixing. The phase-matching conditions were calculated by determining the wavelength range and length of GaP crystal for efficient difference frequency generation (DFG). THz waves were generated using a dual-wavelength KTiOPO4-Optical parametric oscillator (KTP-OPO) from 0.5 to 4.5 THz by angle tuning the KTP crystal in the OPO cavity. It was found that tunable THz-wave system, consisting of a DFG-based THz-wave source and a pyroelectric detector was useful in practical THz imaging, THz sensing and spectroscopic applications.",

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N2 - The collinear phase-matched THz-wave generation in GaP crystal was discussed using collinear difference frequency mixing. The phase-matching conditions were calculated by determining the wavelength range and length of GaP crystal for efficient difference frequency generation (DFG). THz waves were generated using a dual-wavelength KTiOPO4-Optical parametric oscillator (KTP-OPO) from 0.5 to 4.5 THz by angle tuning the KTP crystal in the OPO cavity. It was found that tunable THz-wave system, consisting of a DFG-based THz-wave source and a pyroelectric detector was useful in practical THz imaging, THz sensing and spectroscopic applications.

AB - The collinear phase-matched THz-wave generation in GaP crystal was discussed using collinear difference frequency mixing. The phase-matching conditions were calculated by determining the wavelength range and length of GaP crystal for efficient difference frequency generation (DFG). THz waves were generated using a dual-wavelength KTiOPO4-Optical parametric oscillator (KTP-OPO) from 0.5 to 4.5 THz by angle tuning the KTP crystal in the OPO cavity. It was found that tunable THz-wave system, consisting of a DFG-based THz-wave source and a pyroelectric detector was useful in practical THz imaging, THz sensing and spectroscopic applications.

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Collinear phase-matched terahertz-wave generation in GaP crystal using a dual-wavelength optical parametric oscillator

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