Ⅰ. INTRODUCTION We have discussed the optical processing and the enhancement of electron microscopic images consisting of a periodic structure.The technique described in the previous papers is only available for proc...Ⅰ. INTRODUCTION We have discussed the optical processing and the enhancement of electron microscopic images consisting of a periodic structure.The technique described in the previous papers is only available for processing special photographs in which the image has a periodic structure.In fact, there are many images having an inperiodic structure, so processing such photographs with optical method has been considered and studied by many scientists.展开更多
Electron micrographs with a periodic structure can be cleared by utilizing optical filtering techniques. The principle of the method is first to make an optical diffraction pattern, using a transparent electron mirogr...Electron micrographs with a periodic structure can be cleared by utilizing optical filtering techniques. The principle of the method is first to make an optical diffraction pattern, using a transparent electron mirograph as the diffraction grating. This pattern of diffraction spots is then carefully examined, and all the possible forms展开更多
Self-pumped and mutually-pumped phase conjugations have been the most intensively investigated photorefractive phenomena in recent years.Various photorefractive crystals （BaTiO<sub>3</sub>, SBN, BTO, etc....Self-pumped and mutually-pumped phase conjugations have been the most intensively investigated photorefractive phenomena in recent years.Various photorefractive crystals （BaTiO<sub>3</sub>, SBN, BTO, etc., doped or nominally undoped）展开更多
文摘Ⅰ. INTRODUCTION We have discussed the optical processing and the enhancement of electron microscopic images consisting of a periodic structure.The technique described in the previous papers is only available for processing special photographs in which the image has a periodic structure.In fact, there are many images having an inperiodic structure, so processing such photographs with optical method has been considered and studied by many scientists.
文摘Electron micrographs with a periodic structure can be cleared by utilizing optical filtering techniques. The principle of the method is first to make an optical diffraction pattern, using a transparent electron mirograph as the diffraction grating. This pattern of diffraction spots is then carefully examined, and all the possible forms
文摘Self-pumped and mutually-pumped phase conjugations have been the most intensively investigated photorefractive phenomena in recent years.Various photorefractive crystals （BaTiO<sub>3</sub>, SBN, BTO, etc., doped or nominally undoped）
