Matches 1 - 50 out of 93 1 2 >
Match Document Document Title
7352459 Scanning Spectrophotometer for high throughput fluorescence detection and fluorescence polarization  
A fluorescence spectrophotometer system may be implemented in scanning fluorescence polarization detection applications. A wavelength and area scanning fluorescence spectrophotometer system may...
7072037 Double monochromatic spectroscopic device  
Detected and stored are zero-order light positions which are an angular position of the pre-spectroscope and that of the main spectroscope at which a main light ray incident on the inlet slit...
6989898 Dynamic method for changing the operation of a multiple-pass monochromator between additive and subtractive modes  
Inverting optics are used to invert, with respect to the dispersion plane, the wavefront of a monochromator employing a beam making more than one pass through the dispersing medium. Further, the...
6930776 High optical rejection optical spectrum analyzer/monochromator  
A dual-channel, double-filtering, multi-pass OSA having a narrow spectral linewidth response and high ORR comprises a diffraction grating (DG), two input ports (P 1′ , P 1 ″) for directing...
6744506 Depolarizing plate and an optical apparatus using the same  
A depolarizing plate comprising a first rectangular wedge plate that has a first crystallographic optical axis in a diagonal direction of the rectangle and which has a thickness thereof in a...
6714298 Spectral instrument using multiple non-interfering optical beam paths and elements for use therewith  
A spectrometer, or a spectral instrument using multiple non-interfering optical beam paths and special optical elements. The special optical elements for use with the instrument are used for...
6690468 Arrangement for simultaneous analysis of several optical lines  
An optical spectrum analyzer of novel design, in which several different spectra can be measured and analyzed simultaneously. A measuring signal is used as a reference signal for calibrating the...
6683686 Temporally resolved wavelength measurement method and apparatus  
The invention provides a method and apparatus for determining the wavelength of a sample source of light, the apparatus having a reference light source of known wavelength, a collimator for...
6657724 Optical filter for raman spectroscopy  
An optical filter is provided in the form of a subtractive double monochromator. In each dispersive stage, a concave mirror focuses light between a diffraction grating and a transfer mirror between...
6654119 Scanning spectrophotometer for high throughput fluroescence detection  
A fluorescence spectrophotometer having an excitation double monochromator, a coaxial excitation/emission light transfer module, and an emission double monochromator. Each monochromator includes a...
6573989 Spectrometer  
A spectrometer measures a spectrum of a light beam supplied from a light source so as to obtain fine information and coarse information of the spectrum easily. This spectrometer has a holographic...
6538737 High resolution etalon-grating spectrometer  
A high resolution etalon-grating spectrometer. A preferred embodiment presents an extremely narrow slit function in the ultraviolet range and is very useful for measuring bandwidth of narrow band...
6411382 Monochromator and spectrometric method  
The monochromator and the spectrometric method are disclosed wherein the measured beam converted into a parallel beam by a first collimator is diffracted by a plane diffraction grating, then the...
6194701 Portable night vision goggle haze and transmissivity measurement device  
Device and method are described for measuring transmissivity and haze in transparencies as detected through night vision goggles, including an emitter portion and a sensor portion, the emitter...
5777733 Spectrometer with wavelength calibration  
The present invention refers to a spectrometer device comprising a monochromator means, a light-measuring means receiving light from said monochromator means, and a calibration means comprising a...
5532818 Difference dispersive double-path monochromator having wavelength-independent imaging point  
Incoming light is reflected by a first parabolic mirror for incidence as parallel rays of light on a diffraction grating, the reflected light therefrom is incident on a second parabolic mirror, and...
5461477 Method and apparatus for imaging  
A spectrometer comprises a tunable interferometer for producing a monochromatic continuous image at an image plane and including two mirrors having substantially parallel surfaces and an adjustable...
5351118 Apparatus and method for analyzing particles suspended in a liquid  
An apparatus and a method for analyzing particles suspended in a liquid are described, which particles are of a type or are prepared so as to emit radiation characteristic of the particles when...
5285254 Rapid-scanning monochromator with moving intermediate slit  
The present invention is a scanning monochromator for producing a light beam which rapidly and repetitively varies in wavelength. The device is a subtractive double monochromator in which an...
5233405 Optical spectrum analyzer having double-pass monochromator  
A double pass scanning monochromator for use in an optical spectrum analyzer includes an input optical fiber for emitting an input light beam, a diffraction grating for diffracting the input light...
5206765 Precision slit of adjustable width for a spectral instrument  
A precision slit of adjustable width in which each slit jaw is guided via at least two guide parallelograms lying opposite each other and in which a single setting member acting jointly on the...
5157466 Grain boundary junctions in high temperature superconductor films  
Grain boundary, weak-link junctions are formed at a predermined location of a uniform, planar substrate by depositing superconducting film on two sections of the substrate. The film is grown as a...
5157456 Double monochromator  
A double monochromator comprises an inlet slit 20, which is imaged in the plane of an intermediate slit 34 through a first grating monochromator 36. The intermediate slit 34 is imaged in the plane...
5002393 Low noise optical system  
A double spectrograph system is disclosed. An entrance slit receives and passes light to be analyzed. A first focusing diffraction grating receives that light. A second focusing diffraction grating...
4981357 Spectrophotometer having functions of both a double-monochromater and a single-monochromater  
A spectrophotometer having functions of both of a double-monochromator and a single-monochromator including a light source, a first spectroscope having a first slit through which light from the...
4856897 Raman spectrometer having Hadamard electrooptical mask and diode detector  
An improved Raman spectrometer device is provided which provides useful spectral information in situations where Raman spectroscopy has heretofore been unworkable. The spectrometer of the invention...
4820046 Spectroscope apparatus and reaction apparatus using the same  
A spectroscope apparatus includes means for separating light from an object to be measured into spectral components, means for mixing that part of the spectral components which exists in a desired...
4743112 Imaging spectrometer  
An imaging spectrometer device is disclosed useful for providing a dispersed image of the earth's surface (useful in botanical, geographical, geological, and hydrological scientific studies) from a...
4737030 Apparatus and method for analyzing spectral radiance  
A computer controlled optical system for automatically acquiring and storing spectral radiance data for a multiplicity of targets. Several measurement modes are available for each target ranging...
4726657 Optical wavelength selective devices having rigid support structure  
Rigid supporting structures for the components of high precision optical instruments, such as interferometers or monochromators, have hitherto been based on massive castings. Such castings suffer...
4697924 Monochromator  
A monochromator, capable of functioning as either a single monochromator or a double monochromator by positioning of either reflective means or dispersion means in the optical path. Both the...
4684253 Apparatus for carrying out spectral analysis  
The invention relates to an apparatus for carrying out spectral analysis which is provided with diffraction grating means (1-6, 12-15) for dispersing the incident radiation (3). In order to achieve...
4636074 Optics system for emission spectrometer  
An optical arrangement for use in spectrometry uses a masking device which eliminates unwanted spectral regions prior to optically resolving the unmasked information. The optical arrangement...
4605305 Laser nephelometer for sensing antigens and antibodies characterized in having measuring cell comprised of capiliary tube with the diameter of laser beam  
A perfected laser nephelometer, characterized in that the measuring cell is comprised of a capillary tube (3) of which the inner diameter is close to the diameter of the laser beam (2).
4591270 Dispersive optical device  
A dispersive optical device for use such as a polarizer, spectroscope, monochromator or the like for utilization as a basic component for a monochromator, polarizer, spectroscope, spectrophotometer...
4575243 Monochromator  
A monochromator comprises a first and a second concave grating. An entrance slit is imaged by the concave grating in the plane as a spectrum. A disc comprises a spiral slot. A section of the slot...
4553840 Double monochrometer  
A double monochrometer comprises a main monochrometer including a plane grating and an auxiliary monochrometer including a concave grating. The concave grating is disposed on the entrance or exit...
4546256 Spectrophotometer for measuring transmission spectra  
In a spectrophotometer for measuring transmission spectra, the holder with a test sample is disposed inside the double monochromator between the intermediate slit and the second dispersive element...
4523845 Double grating monochromator  
In a double grating monochromator, the scanner comprises a programming device specifying the angular positions of the diffraction gratings, as the radiation spectrum is scanned, so that the angles...
4468121 Spectrophotometric analyzer having dual monochromators  
A spectrophotometric analyzer disclosed by this invention has two monochromators capable of operating independently of each other. In each monochromator, a light beam from a light source is made to...
4462689 Wide band scanning monochromator  
A scanning monochromator is disclosed which is capable of operation over a wide bandwidth in an ultra-high vacuum. The monochromator includes a pair of carousel assemblies carrying the optical...
4455087 Monochromatic imaging apparatus  
A monochromatic imaging apparatus comprising a pair of similar diffraction gratings, a pair of focusing lenses, a pair of collimating lenses, an entrance slit, an exit slit and an intermediate...
4371263 Double monochromator  
A double monochromator having a principal stage and a pre-monochromator or first stage that includes a coarse reflecting plane diffraction grating and a concave mirror for converging the object...
4365156 Tunable θ-2θ device  
A tunable monochromator selects a narrow range of wavelengths from a broadband source of radiation, such as a synchrotron X-ray source, visible light, etc. Wavelength selectivity is obtained by...
4326802 Dual monochromator type of spectroanalysis system  
A highly accurate, rapid scanning monochromator type of spectroanalysis system employs a source of the plasma emission type, a filtering monochromator, and a resolving monochromator. Each...
4299488 Time-division multiplexed spectrometer  
A time-division multiplexed spectrometer (TMS) which can convert the output from a pulsed continuum radiation source into a time- and wavelength-division multiplexed pulse train is provided, by a...
4120586 Method and means for aligning focusing mirrors in an optical spectrometer  
A method and means facilitating alignment of a focusing mirror in an optical spectrometer to maximize resolution and performance capability. More particularly, in an optical spectrometer having a...
4102576 Monochromator combining a plurality of light dispersing elements  
The present monochromator comprises a plurality of monochromator portions including one prism and at least one diffraction grating, the prism being arranged in the first or final portion. In order...
4068954 Monochromator having a concave holographic grating  
A monochromator having a concave holographic grating which is turnable in rotation and provided with an inlet slot parallel to the lines of the grating for incident light and an outlet slot also...
4036558 Focalization process of spherical concave diffraction gratings  
The invention provides a focalization process of spherical concave diffraction gratings, working by reflection for the dispersion of various radiations constituting a polychromatic light, in which...
Matches 1 - 50 out of 93 1 2 >