摘要:
An apparatus for imaging one or more selected fluorescence indications from a microfluidic device (205). The apparatus includes an imaging path coupled to least one chamber in at least one microfluidic device (205). The imaging path provides for transmission of one or more fluorescent emission signals derived from one or more samples in the at least one chamber of the at least one microfluidic device (205). The chamber has a chamber size, the chamber size being characterized by an actual spatial dimension normal to the imaging path. The apparatus also includes an optical lens system (210, 212) coupled to the imaging path. The optical lens system is adapted to transmit the one or more fluorescent signals associated with the chamber.
摘要:
An apparatus for imaging one or more selected fluorescence indications from a microfluidic device (205). The apparatus includes an imaging path coupled to least one chamber in at least one microfluidic device (205). The imaging path provides for transmission of one or more fluorescent emission signals derived from one or more samples in the at least one chamber of the at least one microfluidic device (205). The chamber has a chamber size, the chamber size being characterized by an actual spatial dimension normal to the imaging path. The apparatus also includes an optical lens system (210, 212) coupled to the imaging path. The optical lens system is adapted to transmit the one or more fluorescent signals associated with the chamber.
摘要:
A device is presented to measure radiation in a well drilled in a geological formation. The device comprises at least one sensing arrangement, a light source, and a light sensor. The sensing arrangement comprises an optically stimulated luminescence material arranged to be positioned near a zone of interest such as to accumulate radiation emitted by the zone of interest over a defined accumulation delay. The light source is arranged to optically stimulate emission of a luminescence light by the sensing arrangement with a stimulation light according to a first wavelength range. And the light sensor is arranged to measure the luminescence light emitted by the sensing arrangement according to another wavelength range, a measured intensity of the luminescence light related to the accumulated radiation.
摘要:
Images are formed by exposing optically transparent, optically stimulable luminescent glasses (42) including luminescent centers and trapping centers, to patterned, ionizing radiation. The images may be read immediately, using scintillation, or may be stored in the glasses for subsequent reading using optically stimulated (14) detrapping of stored charges.
摘要:
An apparatus for imaging one or more selected fluorescence indications from a microfluidic device (205). The apparatus includes an imaging path coupled to least one chamber in at least one microfluidic device (205). The imaging path provides for transmission of one or more fluorescent emission signals derived from one or more samples in the at least one chamber of the at least one microfluidic device (205). The chamber has a chamber size, the chamber size being characterized by an actual spatial dimension normal to the imaging path. The apparatus also includes an optical lens system (210, 212) coupled to the imaging path. The optical lens system is adapted to transmit the one or more fluorescent signals associated with the chamber.
摘要:
A bulk material analyser (10) and method of assembly for analysis of bulk material on a conveyor belt (11) passing through the analyser (10) between a radiation source (12) and a radiation detector (13). The analyser (10) includes a generally C-shaped housing (14) extending around an open-sided aperture (15) for passage of the belt (11). The housing (14) is substantially filled with radiation shielding material (17) to provide radiation shielding around the aperture (15). A removable block (18) of radiation shielding material closes the open side of the aperture (15) and provides surrounding radiation shielding of the aperture.
摘要:
An oxide glass showing long afterglow and accelerated phosphorescence wherein energy is stored by excitation by a radiant ray such as gamma -ray, X-ray, ultraviolet light or the like and light emission continues for a long time after stopping the excitation. The oxide glass is characterized in that it comprises terbium oxide (Tb2O3) or manganese oxide (MnO), gallium oxide (Ga2O3) or aluminum oxide (Al2O3), an alkali metal oxide or an alkaline earth metal oxide, and, boron oxide (B2O3) or silicon oxide (SiO2) or zinc oxide (ZnO).
摘要:
A luminescent glass includes nanocrystalline semiconductor particles, such as ZnS nanocrystals, and an activator, such as copper, for the particles. The glass is made by depositing the nanocrystalline semiconductor particles and the activator within a porous glass matrix, such as 7930 VycorTM and then thermally activating the glass. The porous glass matrix may be at least partially consolidated or may be allowed to remain porous. The nanometer particle size permits the luminescent glasses of the present invention to be transparent to its luminescent emsissions.