- New method to determine the refractive index and the absorption coefficient of organic nonlinear crystals in the ultra-wideband THz regionSeigo Ohno
Riken ASI, 519 1399 Aramaki, Aoba, Sendai 980 0845, Japan
Opt Express 18:17306-12. 2010..The output of the DAST-DFG THz-wave source was optimized to the phase-matching condition using the measured refractive index spectrum in THz region, which resulted in an improvement in the output power of up to a factor of nine...
- Tunable Terahertz-wave generation from DAST crystal pumped by a monolithic dual-wavelength fiber laserMing Tang
Riken ASI, Aramaki, Aoba, Sendai, Japan
Opt Express 19:779-86. 2011..5 to 2 THz has been successfully generated...
- Dual-wavelength single-crystal double-pass KTP optical parametric oscillator and its application in terahertz wave generationMing Tang
Riken ASI, 519 1399, Aramaki, Aoba, Sendai 980 0845, Japan
Opt Lett 35:1698-700. 2010..By using this newly developed dual-wavelength optical parametric oscillator to pump a DAST crystal, a monochromatic terahertz wave ranging from 0.5 to 3 THz has been successfully generated in a difference-frequency generation system...