Laser-induced hole filling in photochemical hole-burning of porphine derivatives doped into poly(vinyl alcohol).
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چکیده
منابع مشابه
Photochemical Hole-burning in Photosynthetic Reaction Centers
The change in absorbance (hole spectrum) of the primary electron donor (P870) in bacterial photosynthetic reaction centers has been studied at 1.5-2.1 K following narrow-band excitation at several wavelengths within the P870 absorption band. The hole width is very large, suggesting a homogeneous linewidth on the order of 200-300 cm-‘. Possible interpretations of this highly unusual result, incl...
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Photochemical hole burning has been observed at 1.5 K in bacteriorhodopsin (bR) and bovine rhodopsin at wavelengths spanning their lowest energy electronic absorption bands. Hole widths were -2500 cm-' full width at half-maximum (fwhm) in bacteriorhodopsin and -2400 cm-' fwhm in rhodopsin. The positions of the hole minima were insensitive to bum wavelength, indicating that minimal site selectio...
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A novel approach for interferometric analysis of ultrafast transient processes as short as 10(-13)-10(-14) sec is suggested. The method of holographic storage of ultrafast time-space images in spectrally selective hole-burning materials is used. It is shown that differential interferometric comparison of time-space images, which are permanently stored, provides an effective means to resolve ult...
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ژورنال
عنوان ژورنال: Journal of Photopolymer Science and Technology
سال: 1993
ISSN: 0914-9244,1349-6336
DOI: 10.2494/photopolymer.6.123