منابع مشابه
Precision Laser Spectroscopy in the Extreme Ultraviolet
Techniques for the production of short wavelengths in the extreme ultraviolet wavelength range aredescribed, spanning low-order harmonic generation in the perturbative regime for narrow bandwidth XUV productionto the plateau-regime with the three-step collisional model for the generation of high harmonics with broadband ultrafastpulses. In addition, the intermediate regime is discus...
متن کاملExtreme ultraviolet Fourier-transform spectroscopy with high order harmonics.
We demonstrate a new scheme for extreme ultraviolet (xuv) Fourier-transform spectroscopy based on the generation of two phase-locked high-harmonic beams. It allows us to measure for the first time interferograms at wavelengths as short as 90 nm, and open the perspective of performing high-resolution Fourier-transform absorption spectroscopy in the xuv. Our measurements also demonstrate that a p...
متن کاملHigh-resolution Fourier-transform extreme ultraviolet photoabsorption spectroscopy of 14N15N.
The first comprehensive high-resolution photoabsorption spectrum of (14)N(15)N has been recorded using the Fourier-transform spectrometer attached to the Desirs beamline at the Soleil synchrotron. Observations are made in the extreme ultraviolet and span 100 000-109 000 cm(-1) (100-91.7 nm). The observed absorption lines have been assigned to 25 bands and reduced to a set of transition energies...
متن کاملAn Extreme Ultraviolet Spectrometer
A concept and preliminary design of an Extreme Ultraviolet (EUV) spectrometer is presented. The spectrometer is based on a gas ionization chamber and an advanced eight-electrode electron focusing system to form a narrow electron beam on a photodiode aperture. The design is modeled with the SIMulation of IONs (SIMION) tools and shows the ability to scan through the spectral range of 20.0 – 40.6 ...
متن کاملExtreme ultraviolet frequency comb metrology.
The remarkable precision of frequency-comb (FC) lasers is transferred to the extreme ultraviolet (XUV, wavelengths shorter than 100 nm), a frequency region previously not accessible to these devices. A frequency comb at XUV wavelengths near 51 nm is generated by amplification and coherent up-conversion of a pair of pulses originating from a near-infrared femtosecond FC laser. The phase coherenc...
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ژورنال
عنوان ژورنال: Journal of the Spectroscopical Society of Japan
سال: 1960
ISSN: 1884-6785,0038-7002
DOI: 10.5111/bunkou.8.67