摘要:
Disclosed is a rotation amount detecting system for detecting a rotation amount of a deflection mirror, which is rotatable about an rotation axis, employed in an optical disc drive. The rotation amount detecting system is provided with a light emitting system that emits a light beam to the deflection mirror. The light beam has a line-like cross section extending in a direction perpendicular to the rotation axis. Further, a detecting system is provided to receive the beam reflected by the deflection mirror and determines the rotation amount of the deflection mirror in accordance with the received beam.
摘要:
A X-ray waveguide includes a core for guiding X-rays having a wavelength band in which the real part of refractive index of material is smaller than 1 and a cladding for confining the X-rays in the core. The core has a one-dimensional periodic structure in which a plurality of layers respectively formed of inorganic materials having different real parts of refractive index are periodically laminated. The core and the cladding are configured so that a critical angle for total reflection for the X-rays at an interface between the core and the cladding is larger than a Bragg angle due to a periodicity of the one-dimensional periodic structure. A critical angle for total reflection for the X-rays at an interface between layers in the one-dimensional periodic structure is smaller than the Bragg angle due to the periodicity of the one-dimensional periodic structure.
摘要:
An X-ray monochromator including: a substrate having a concave surface; and an inorganic oxide film formed on the concave surface and having a plurality of pores, in which the plurality of pores of the inorganic oxide film being laid periodically in a stacked manner in the normal directions of the concave surface, and in which the plurality of pores being cylindrical is provided. The X-ray monochromator shows an excellent X-ray spectroscopic performance.
摘要:
An X-ray waveguide according to the present invention includes: a core for guiding an X-ray in such a wavelength band that a real part of the refractive index of a material is 1 or less; and a cladding for confining the X-ray in the core, wherein: the cladding has a periodic structure in which multiple materials having different real parts of the refractive index are periodically arranged in two-dimensional directions perpendicular to the guiding direction of X-ray; and the periodic structure has a period of 100 nm or less.
摘要:
An X-ray waveguide according to the present invention includes: a core for guiding an X-ray; and a cladding for confining the X-ray in the core, wherein: the core has a low electron density portion and a high electron density portion having a higher electron density than an electron density of the low electron density portion; the low electron density portion is provided in the high electron density portion; and the low electron density portion is formed of one of a pore and an organic substance.
摘要:
An X-ray waveguide, for guiding X-rays having a wavelength of 1 pm or more and 100 nm or less, includes: a core and a cladding. The core has a periodic structure composed of a plurality of materials each having a different real part of refractive index in the direction perpendicular to the waveguiding direction. A planarizing layer is disposed between the core and the cladding. The critical angle for total reflection of the X-rays at the interface between the planarizing layer and the cladding is larger than the Bragg angle of the periodic structure of the core.
摘要:
A method of producing a mesoporous film includes a step of preparing a mesostructured film containing a surfactant and an inorganic oxide; a step of holding the mesostructured film in an atmosphere containing a compound having the following formula; and a step of removing the surfactant from the mesostructured film during and/or subsequently to the holding step: wherein R1, R2, and R3 independently represent an alkyl group containing ten or less carbon atoms.
摘要:
An X-ray waveguide according to the present invention includes: a core for guiding an X-ray in such a wavelength band that a real part of the refractive index of a material is 1 or less; and a cladding for confining the X-ray in the core, wherein: the cladding has a periodic structure in which multiple materials having different real parts of the refractive index are periodically arranged in two-dimensional directions perpendicular to the guiding direction of X-ray; and the periodic structure has a period of 100 nm or less.
摘要:
In a mesoporous silica film formed on a non-single-crystalline carbon film having structural anisotropy on a substrate in-plane arrangement of the pores is controlled in one direction, which is defined by the structural anisotropy of the carbon film.
摘要:
A method for producing an electrode having immobilized π-conjugated ligands is provided. The method includes bringing an aqueous solution into contact with an electrically conductive base material, the aqueous solution including π-conjugated ligands and at least one of (i) a surfactant, and (ii) a water-soluble molecule having a structure different from that of the π-conjugated ligands, the water-soluble molecule having a π-conjugated structure, and immobilizing the π-conjugated ligands on the base material.