Effects of laser pulse duration on extreme ultraviolet spectra from double optical gating
Previously a two-color field was combined with a polarization gating to allow for the generation of single isolated attosecond pulses from multicycle lasers. Here, the scaling of energy for the extrem...
Previously a two-color field was combined with a polarization gating to allow for the generation of single isolated attosecond pulses from multicycle lasers. Here, the scaling of energy for the extrem...
Electron dominated impact ionization and avalanche gain characteristics in InAs photodiodes
An experimental investigation into impact ionization in InAs photodiodes is presented. Photomultiplication measurements on p-i-n and n-i-p diodes show that while high avalanche gains can be obtained f...
An experimental investigation into impact ionization in InAs photodiodes is presented. Photomultiplication measurements on p-i-n and n-i-p diodes show that while high avalanche gains can be obtained f...
Waveguiding and nonlinear optical properties of three-dimensional waveguides in LiTaO3 written by high-repetition rate ultrafast laser
Appl. Phys. Lett. 93, 111106 (2008); doi:10.1063/1.2980437
Published 15 September 2008
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We report the fabrication of waveguides in lithium tantalate using a 250 kHz high-repetition rate ultrafast laser at 771 nm and the characterization of the resulting laser induced structure with second harmonic microscopy. Waveguides operating at the 1.5 µm telecommunication wavelength were formed above and below the focal volume using pulse energies ranging from 100 to 1.6 J and translation speeds from 100 µm/s to 5 mm/s. The second harmonic microscopy reveals no degradation of the electro-optic coefficient in the guiding region above the focal volume.
©2008 American Institute of Physics
| History: | Received 28 May 2008; accepted 14 August 2008; published 15 September 2008 |
| Permalink: |
http://link.aip.org/link/?APPLAB/93/111106/1 |
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0003-6951 (print)
1077-3118 (online)
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