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| Number | Title | Issue Date |
| 7532326 | Multiple-label fluorescence imaging using excitation-emission matrices Methods and devices are disclosed which apply an excitation-emission matrix (EEM) to a heterogeneous, two-dimensional sample, allowing a considerably larger number of emitting, e.g. fluorescent, labels to be used simultaneously. This may be accomplished by employing... | 05/12/2009 |
| 7411674 | Polarizing monochromator A polarizing monochromator comprising a uniaxial birefringent crystal prism, the prism has the geometry of a triangular block having a triangular base, a face including a side of the hypotenuse is an input-output face, where light enters and exits, and a face includ... | 08/12/2008 |
| 7365842 | Light scanning type confocal microscope A light scanning type confocal microscope includes a light source unit that projects an excitation light beam, a scanning optical system that scans the excitation light beam, an objective lens that applies the excitation light beam to a sample, a separation optical ... | 04/29/2008 |
| 7319520 | Method for separating fluorescence spectra of dyes present in a sample A system and a method for setting a fluorescence spectrum measurement system for microscopy is disclosed. Using illuminating light (3) from at least one laser that emits light of one wavelength, a continuous wavelength region is generated. Dyes are stored, wi... | 01/15/2008 |
| 7300168 | System for creating spectral displays A highly adaptable system for creating colorful spectral displays or for achieving a prismatic effect using visible light. The invention includes a fixed-angle or monolithic prismatic element fabricated from plate glass mirror material. A compound version of this mo... | 11/27/2007 |
| 7274455 | Optical detection apparatus for multi-channel multi-color measurement and multi-channel sample analyzer employing the same Provided are an optical detection apparatus which can measure multi-channel samples at high speed and various wavelengths using an optical detector and a multi-channel sample analyzer employing the same. The optical detection apparatus includes an optical detector; ... | 09/25/2007 |
| 7251028 | Scanning spectrum analyzer A system for spectral analysis of a multi-wavelength signal is disclosed. The illustrative embodiment of the present invention, like the prior art, uses a grating or prism to disperse the spectral components of a multi-wavelength signal, and then uses a reciprocatin... | 07/31/2007 |
| 7248667 | Illumination system with a grating element An illumination system, particularly for wavelengths ≦100 nm, with an object plane and a field plane, comprises a grating element and a physical diaphragm in a diaphragm plane, which is arranged downstream to the grating element in the beam path from the object pl... | 07/24/2007 |
| 7212285 | Optical measurement device An optical measurement device capable of improving optical spectrum measurement accuracy without the need to structurally decrease a slit width. A diffraction grating for dispersing measurement light into respective different wavelengths is rotated in a given direct... | 05/01/2007 |
| 7209229 | Wavelength selectable spectroheliograph An apparatus, system and method are provided for composing an image at a selectable wavelength, wavelengths or bandwidth. Light passing through an entrance slit is dispersed into a spectrum and recorded. In an embodiment, spectral images corresponding to respective ... | 04/24/2007 |
| 7170595 | Optical slit An optical slit comprises two blades 40,42 which define a slit between them, each blade being independently movable. This enables both the slit position and the slit width to be adjusted. The slit may be aligned with the center of a light beam by aiming the l... | 01/30/2007 |
| 7116418 | Spectral imaging apparatus and methods Spectral imaging apparatus and methods are disclosed. In one embodiment, a spectral imaging apparatus includes a spectral imaging apparatus includes a diffraction grating having one or more entrance apertures formed therein, a collecting reflecting element for refle... | 10/03/2006 |
| 7075645 | Spectroscopic analyzer for blender A blending apparatus comprises a blender including a container having a wall, the wall including a window. The container rotates about an axis of rotation. A wireless spectrometer is mounted to the container and operates through the window, in a direction that does ... | 07/11/2006 |
| 7042567 | Imaging method and apparatus for the non-destructive analysis of paintings and monuments This invention refers to an imaging method and apparatus capable of performing non-destructive, in situ analysis of art-objects. The invention relays on the comparison of diffuse reflectance and/or fluorescence spectra (intensity vs. wavelength), of painting materia... | 05/09/2006 |
| 6995840 | Method and apparatus for radiation encoding and analysis Method and apparatus for analyzing radiation using analyzers and encoders employing the spatial modulation of radiation dispersed by wavelength or imaged along a line. ... | 02/07/2006 |
| 6930774 | Method and apparatus for producing unique radiation spectra Apparatus and methods are disclosed for providing a desired spectral intensity profile from a broadband light source. The apparatus comprises separation means for separating light provided by the broadband light source into radiation having a continuum of wavelength... | 08/16/2005 |
| 6831740 | Methodology for improving precision of data acquired by spectrophotometer systems Disclosed are spectrophotometer systems and methodology for obtaining data of improved precision therefrom, including replacement of data determined to be suspect based on comparison of multiple baselines. ... | 12/14/2004 |
| 6765707 | Variable slit width device for spectroscope A variable slit width device for a spectroscope which can be used in a narrow space, be widely variable, and be set in slit width with high accuracy. The variable slit width device includes a pair of freely rotatable rotary parts for pressing inclined guide parts of... | 07/20/2004 |
| 6678044 | Monochromator and optical spectrum analyzer equipped with the same Plane diffraction grating 13 is formed of a material having an appropriate linear expansion coefficient and a variation in the wavelength of the reflected light from concave mirror 14 on account of thermal expansion or shrinkage of members other than plan... | 01/13/2004 |
| 6633380 | Wavelength characteristic measurement apparatus An optical spectrum analyzer 100 and a wavelength variable light source 101 have each a sweep synchronization start function. A correction function of the rotation speed of a motor 106 for varying the angle of a diffraction grating in a spectroscope 104 s... | 10/14/2003 |
| 6587199 | Embedded data acquisition and control system for non-invasive glucose prediction instrument An embedded data acquisition and control system for a precision instruments, such as a non-invasive glucose prediction instrument is disclosed. One feature of the invention provides synchronization of stepper motor position and analog-to-digital converter... | 07/01/2003 |
| 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 excimer lasers used for integrated circuit lithography. Lig... | 03/25/2003 |
| 6525814 | Apparatus and method for producing a spectrally variable radiation source and systems including same An apparatus and method for producing a spectrally variable radiation source and systems including same is disclosed. An embodiment of a spectrally variable radiation source is disclosed including a broadband radiation source, a collimating element, a dis... | 02/25/2003 |
| 6512582 | Wavelength tracking system using an optical spectrum analyzer and a wavelength tunable light source In order to start sweeping an optical spectrum analyzer 1 and a wavelength tunable light source 14 on the same timing, a motor 6 for driving a spectroscope 4 in the optical spectrum analyzer 1 is controlled. To this end, a drive circuit 7 outputs a contro... | 01/28/2003 |
| 6507399 | Device for adjusting angular play The invention concerns a device for adjusting angular play on a predetermined angular range of an optical element mobile in rotation relative to a frame. Said device comprises a contact piece (3), integral with the optical element, and an elastic steady a... | 01/14/2003 |
| 6275289 | Monochromator In a monochromator including a light dispersing element rotatable about an axis, a linear motor for rotating the light dispersing element around the axis, an encoder for generating a signal representing a rotational position of the light dispersing elemen... | 08/14/2001 |
| 5986758 | Diffractive optic image spectrometer (DOIS) An imaging spectrometer provides a three-dimensional (two (2) spatial and one (1) spectral) image cube of a target. In this apparatus, a diffractive optical element (DOE) performs the imaging and provides the dispersion necessary to separate a multi-spect... | 11/16/1999 |
| 5923420 | Optical spectrum calculating method The object of the present invention it to provide an optical spectrum calculation method that can find an optical spectrum by an arbitrarily determined wavelength bandwidth even in a spectrometer in which the width of the emission slit cannot be arbitrari... | 07/13/1999 |
| 5699156 | Spectrophotometer apparatus with dual light sources and optical paths, fiber optic pick-up and sample cell therefor A spectrophotometer employs an array of optical elements to focus light from at least one, but preferably two light sources onto a fiber optic beam splitter that provides a pickup for a selected bandwidth of wavelengths of light in the spectral pattern. T... | 12/16/1997 |
| 5661589 | Bilateral slit assembly, and method of use A system for translating applied linear motion into a slit width present between facing edges of two "Knife-blade" elements. In its preferred embodiment, two slide assemblies are firmly affixed to a frame such that loci of motion of slide elements thereof... | 08/26/1997 |
| 5625270 | Scanning monochromator with directly driven spectral-dispersion element A scanning monochromator system which uses a directly coupled stepper motor to drive a spectral-dispersion element. The spectral-dispersion element is directly coupled to the output shaft of the motor. The movement of the motor is controlled with an elect... | 04/29/1997 |
| 5624709 | High resolution differential spectrometry system A differential spectrometry system detects very narrow-band spectral features, while providing much higher optical transmittance and signal-to-noise ratios than prior optical-filter-based spectrometer systems. A plurality of light detectors (10a, 10b) det... | 04/29/1997 |
| 5448351 | Echelle polychromator An Echelle polychromator 50 has disposed upstream thereof a pre-monochromator 14 comprising a prism 20. The linear dispersion of the pre-monochromator 14 is variable by varying the angular dispersion of the prism 20. A particular spectral position and the... | 09/05/1995 |
| 5305083 | Random access monochromator A random access monochromator is disclosed. This device has no mechanical parts and eliminates the need to scan sequentially the wavelengths of light contained in a light spectrum to select a desired wavelength or wavelengths from the spectrum. The device... | 04/19/1994 |
| 4930891 | Method and apparatus for scanning wavelength in spectrophotometers In quantitative analysis of a sample by using the spectrum thereof by means of a spectrophotometer, at a specific wavelength or in a specific wavelength range where a quantitative determination is to be conducted, wavelength scanning is temporarily stoppe... | 06/05/1990 |
| 4916645 | Continuous monochrometer drift compensation of a spectral monochromator Iterative compensation of drift of peak positions of spectral lines is effected in a spectral monochromator including a grating, a detector of spectral fractions of a spectral band, a stepper motor for varying relative orientation of the grating and the d... | 04/10/1990 |
| 4909626 | Electrically-controllable thin film Fresnel zone device An optical component comprises a thin film of an electrically controllable birefringent material confined between substantially planar surfaces. A respective electrode structure is provided on each of the surfaces, each electrode structure being patterned... | 03/20/1990 |
| 4879460 | Gyroslabilized optical radiation deflection device providing a stabilized radiation sensitivity lobe A gyro stabilized optical radiation deflection device which provides a radiation sensitivity lobe which is stabilized against angular motions of the envelope in which the radiation is received or transmitted. Such device consists of a ball-shaped gyro rot... | 11/07/1989 |
| 4856898 | Adjustable echelle spectrometer arrangement and method for its adjustment An adjustable Echelle spectrometer arrangement which can be used in single- and multi-element analysis by the emission or absorption of optical radiation. To compensate all the manufacturing and setup errors, the only arrangements present are those to cha... | 08/15/1989 |
| 4810089 | Photoelastic effect measuring device A photoelastic effect measuring device comprising a single white light source, a prism dispersing light emitted by said white light source and a variable slit device, which selects an arbitrary spectrum of light thus dispersed is disclosed, in which for a... | 03/07/1989 |
